How to make a TURBORAMJET engine, full build!

here we're working on the combustion chamber itself this will be the primary outer layer of the combustion chamber and you can see here I've got the marks I've got a ten and a half inches long three and a quarter inches wide you see right now I'm marking out where my drill holes are going to be you've just watched me make most of my measurements and my marks here on our combustion chamber this is the main outer wall of the combustion chamber so right now what we have is a mark up about quarter inch from the leading edge here this would be the compressor side of the combustion chamber we're gonna have the tightest whole group here every quarter inch we're gonna drill a hole there and be really small holes next line down here we have one-inch spacings between each one of our holes then back to here we have a half inch spacing at our center line back to a one-inch spacing and then back to a half inch spacing we're gonna leave about a half inch between that set of holes at the end this will be the tail end of the combustion chamber from that to the actual edge of the combustion chamber ring itself which is about a half inch gap there with no holes at the very end which I'll show you here once we start drilling it I just got done showing you shearing out the outer wall of the burn chamber now I'm going to take a 3/32 drill bit and do our first set of holes and that's the quarter inch spaced holes towards the compressor side of the burn chamber so here we go so we're gonna that top set of holes we're gonna drill our second set and that is gonna be with a three sixteenths inch drill bit spaced one inch apart so here we go we're gonna work on our fourth set of hold we're gonna use the same 9/64 drill bit for that so now we're working on our final set of holes these are going to be a 1/8 inch drill bit hole I'm gonna put them every half inch you can see the marks there so let's go ahead and drill those [Music] so I rolled the piece that we drove all the holes in into a circle I've seen welded that together once I got that shape I set that down on a piece of flat stainless I traced around it and with that tracing I cut out a disc here for this side and another disc here for this side i centered those discs and drill the hole and then welded them on to our burn chamber what I'm doing now is working on the actual drive propeller as you can tell and the track propeller itself is designed to be driven with a force aiming this direction not coming straight on like this like our engine is going to be so it had a much longer set of paddles here and I'm taking this bench grinder and I'm grinding it back see here where I'm gonna grind down to is right where the end of the paddle is right there you can kind of see where the end of the curvature happens and starts going downhill so I'm gonna bring that right up to that point right about where my fingertip is all right there we go do you see how far up I brought those paddle there at the end I should be rolling out some extra parts we're gonna need this is the outer wall of the burn chamber this is gonna slide over our burn chamber that's gonna allow the air to come from our compressor fan down into the wall between the two of them that air gap between them over here I have a smaller inner piece that I've rolled that's a one inch tube those are a quarter inch drill bit holes and they're spaced about an inch apart on the flat sheet right now what I'm doing is building the piece that holds our bushings into place on the side of the center of the engine this little piece right you see right here right in the center of our burn chamber and that piece in the center holds those bushings that you see here for our drive shaft that goes through the middle of it that way our a compressor fan and our drive fan are in line with each other right down the center of the engine so I want to show you the air gap so you can see an air gap between that faceplate in the actual burn chamber now that we got done mounting the drive shaft with all the bushings and everything into our burn chamber there I need a way to stick that drive shaft end that's gonna hold the compressor fan out of the front of our case here this is the outer case of the engine this is going to be the faceplate that gets welded onto that case just like that so our compressor fans gonna sit over here we're gonna have our diffusers on this the holes and everything they're trying to mount our rotor to the burn chamber here which will then be mounted to the outer case and when one of the things they needed to do is be able to have a mounting point to the inner rotor or holder to the outer case itself for the burn chamber and this ring that you're looking at is what I've been able to come up with so I've used those l-brackets I showed you earlier I've trimmed them down a little bit I've cut a circle out in the middle of this disc I cut the outside to fit the diameter I was gonna need for the front faceplate here to the burn chamber and then I've mounted those to those L brackets so if I bring that up close you can see they're just cut those off riveted those through with a stainless rivet one of the other parts of this I needed to have was the ability to mount all of this to the face of the outer case here and that's going to be this ring right here that actually goes on before we put on this other ring the next piece of this here is going to be the nozzle the thrust nozzle around our dry fan there it showed you time last putting this all together I thrown some rivets in the back just to show you the engine from the side the only thing missing from the combustion chamber is the actual outer case here we've got the front plate the back plate on there that'll actually make the seal on either side of the combustion chamber itself we have our actual burn ring in the middle there we have a compressor fan out here in the front we have our thrust collar around the dry fan here in the back I'm go ahead and turn that so there you go there is our full engine inside of its combustion chamber you can see the dry fan coming out of the thrust collar into where our afterburner is going to be there just showed you the engine without the outer part of the case put on we just had the two flat outer discs the front in the back face there we had the inner part of the burn chamber the thrust collar and everything set up and ready to go I've now welded on or outer part of the burn chamber this will allow the airflow to go between this chamber and the inner part of the burn chamber with all the holes in it and then into the combustion chamber there you can see I've just tack welded all the way around on the back side so our backside of our combustion chamber the inner part of that is now permanently mounted to the outer case and then here on the front you can see a little ring going around and what I've done is just used a piece of flat strap I rolled that so it would fit perfectly around our cylinder aunt rolls over the top of the two pieces and then is welded on to there now gave us a airtight seal band around it and then I just put our front disc over that and I've now attacked welded that front disc all the way around so it's now permanently attached to that ring so we can pull this off of there once I removed the actual compressor fan we can slide that up off of there allowing us access to all our bushings and everything inside of our engine so if you need to do any replacement that also allow us a little bit later here in the project to do all the mounting inside of there for our fuel and our oil lines real quickly here I just want to pull off our cap so you can see what's underneath there you can see the air gap now between the inner part of our combustion chamber there in the outer part of our combustion chamber it's just got done tack welding on our afterburner collar there you can see it just want to give you a look down into it there there you go there's a area there between the actual thrust collar around our drive fan and the actual afterburner collar and we're going to install our fuel ring down into that area next we need to build basically the intake to our engine now that we've got the back end the main body and all the combustion chamber gone we need to build an intake so we're gonna start out with the very center of that intake where it matches up with the edge of the compressor fan and I need something I can sculpt so we're going to use aluminum that's a nice thick piece of aluminum tubing this is the exact diameter of the outside edge at the top of that compressor fan so it's the exact size we're going to need will use these screws to bolt it on in the end from whatever I design right now what I'm going to do is basically sculpt this inside edge to fit the compressor that that's shapes to and then I'll wrap the outside here with more thinner aluminum until I get the thickness I need to match the entire width of that compressor and then I'll sculpt that aluminum with the dremel tool until I get at the right shape now we're onto the rest of the housing that's gonna hold this piece it's gonna go over the top of the actual diffuser plate and all the rest of this so here's what I've been able to come up with if I turn sideways you're gonna be able to see that have added a section of rolled aluminum all the way around here and that's sitting inside of a collar that I have welded on a stainless steel collar right to the ring that goes over to the face of a combustion chamber so we can now actually pull this off and this will be holding our full intake nozzle and all the rest of the front end right that we'll be able to pull that off of the engine but I've got these couple discs I've cut out the Centers of them the Centers of the right size for the intake Center here they're gonna sit down inside of our outer ring centered and those are gonna mount to this piece here and to our outer ring giving me a nice rigid mount so we've got one that's going to mount up here at the top the other just is gonna mount right down at the bottom and act as the top plate to our diffuser so all the air is gonna run underneath this plate itself which is gonna be sitting right at the bottom edge of this piece here and I'll show you that once I complete building that it'll actually slide up inside of there then I'll rivet it into place and that'll hold our intake piece right above the compressor fan the way it's supposed to and gives the air gap that we need over the diffuser plate itself we've got a lower discs down in there that's the one that sits as the top plate to our diffusers you can see the little L brackets here I'm riveting those into place I've got them riveted from the lower disc to the outer wall to our spacer disc and through then I'm riveting them down to that lower disc there so I'm building that piece first I'll do some fill-in work around the edges there to make sure all the air gaps are filled in and then I'll set our top disc on there here's a quick shot at the diffuser plate I just got done drilling all the holes this is where the air from our compressors goes into the combustion chamber to finish the intake portion for the turbojet part of our engine and you can see here what it looks like from the side nice little front shot to it build a ramjet intake what we're gonna do basically is add a bunch of reed valves to this front plate right here they'll be on the underside of the plate the valves themselves the way you're seeing it now will be flipped around on the underside all we're gonna see up here the drilled holes that will sit underneath the valves and what I'm making those out of is this is I have some spring steel Reed valve from another pulse jet engine that I have and I've been trimming those down first of all I go through and I drill a hole in each one of the little leaves from that and I trim off the leaves to look like what you see there one of these and I'm gonna set three of them between each one of the mount points here between my rivet points I'm going to set three of them in there each have their own little screw so you can remove them and replace them what I'm doing now is finishing the afterburner section of our engine I had to lay out a grid on here so that I could have the marks I needed to drill a bunch of holes across this and those are quarter inch little squares little quarter inch spacings between each one of them all the way across and I'm gonna go ahead set this down on the drill press and I'm gonna go to work just popping those out [Music] [Applause] so I've completed our drill pattern on here and what we have is we have 80 1/8 inch holes and we have 40 1/16 inch holes got the afterburner rolled I've got it welded together we can slide it down inside of our collar here that means it's removable to get to the fuel line there give you a quick look up into it so what this is going to do is act similar to a gasifier with all these holes here we're going to now build an outer case around all of this that outer case is going to have an airflow passing over the engine created by a venturi from the gases and the hot exhaust from our turbojet engine inside of this so let me show you an easy way I was able to come up with of removing our ramjet bypass tubes from the intake cowling in a way so we could still remove the intake cowling from the engine I've created some d-rings for these and you just push them all the way out you should be able to kind of turn this and then rotate that up and there our ramjet bypass tubes are now detached from our intake cowling and that is just a piece of brass all-thread that I threaded down into the sidewalls then I used a dremel tool and removed all the threads so a smooth that way it could fit inside the opening here of our elbow and you can see the d-ring and how it works so once again you're just gonna rotate this around right on to there expand the d-ring out a bit so I can go on push the d-ring down and then with a pair of pliers you're just gonna kind of clamp down that d-ring so it seals on there and won't be able to come off once it's on there that makes a nice tight hook to it with a little bit of an o-ring or a high-temperature oh ring or gasket right there we should be able to keep a nice airtight seal with that so that was a simple way that I could attach those ram jet bypass tubes down here they're actually welded on so the four pipes will always be attached to the actual ram jet portion of the engine next up with this is to start mounting our reduction thrust collars here so they're basically going to reduce down the size from recomm busting chambers down a little bit to help increase our thrust so here's our primary one that we've just attached the back of the ram jet portion of the engine and what that's going to go into is basically this collar right here is going to mount somewhere right about there we've got our secondary thrust collar now installed is a gap that you see between the primary and secondary thrust scholars here that is typically where the tertiary doors are gonna go we're always going to have that air gap open to the outside of the engine the air being drawn across the engine will draw through these holes into the interior all the air coming into this error ring right here will actually be drawn from outside the engine one of the next parts of this project was to build their retracting intake spike one of the ways I figured out how to do is this first of all I designed this intake spike looks a lot more like the one that's actually on the sr-71s intake inside of there I have a set of rivets right up here in the front that are set up opposing each other and what I do is I just set the spring way up in there and then I start twisting and I'll twist it on there and those two rivets sit in between the metal sides here on the spring and I can twist it and bunch it up right into the nose here basically stopping up in there and that will give us a spring to retract back on give us a little return pressure so when the intake pressure recedes a little bit or decreases the spring can push the intake spike back out a bit so let me go ahead and I'll slide it on there I'll twist it down and I'll put it on to the intake cavity here and I'll show you what it looks like here's what it looks like with the intake spike sitting there on the intake cavity we've got it hooked up to the spring I'll pull it right back on there and you'll notice there's a downward lean to the intake spike that's just like the original sr-71s intake spike when it's at rest it's going to have a downward lean to it and as for the same reasons basically on the spring and got a little bit of a lean as the velocity increase this pressure against the spike is going to start lifting it up and pushing it further and further back and that's going to be all the way back on our intake spike and you'll notice it straightens out it's nice and in line the aerodynamics are going to be nice I'm working on the outer case to our turbo ramjet engine this is the main body of that case and I want it to be able to open up so we can get to everything we can attach our fuel lines oil lines etc and to do that I've went down to the break and I made these little L channel pieces and there's gonna be one here on the bottom and another one that goes up here on the top so when that folds over they come together nicely create a nice seal one of the sides we're gonna put a piece of piano hinge on for the hinge itself but both sides will have these brackets what that gives us is the two faces here that'll come together right down on they'll give us a place to put a sealing material so I have now a hinged two-part case for our engine here I've got I get the angle right you can see this little open groove between two layers they're being very difficult for me to do this with one hand that that fits right down inside of those two layers there it gives us a perfect seal sorry trying to do that with one hand there you go so there's the outer main section of the body now ready to go it's hinged it's got a seal area this is where we'll put a couple screws I'll undo those screws so that I can open up the case and then we can access the engine just like this here's the completed intake reduction cone and the retaining ring for the front end of our engine here hopefully if you get this with one hand so it's right down on there a few screws put in to this and that will now hold our case together as well as be the intake to the front end of our engine and that's that the project was to be able to mount our rear cone to the outer case and still make it so we can open the case up on the hinges the way I was able to do that was this just two simple rings I rolled one ring and then press that in on the inside edge of the outer case and then to make it seamless I rolled the second ring and then put that down over the top of the interior ring and then left just one eighth of an inch of a ring edge sticking out over right here between the inner and the outer rings and what that does is hides the edge of our cone down inside that that little bit of a lip inside of there that way there's no way the air can grab it we're going to screw the cone down to this piece with these little tangs I still got to put four more in there they'll be eight all together and then here you'll notice on the bottom side there's rivets on both the main case and the outer part here then when I flip it over to the section that has our hinge so the bottom part here has no hinge and then the top is going to be screws on the part that opens on our main case here and then rivets obviously on the part in the back just our air lifts just to make it a nice smooth edge all the way across seamless and now done with the outer case itself I've showed you building all the pieces for that how to attach the rear reducer building the front end retaining clip and the reducer that goes on the front of itself we're able to hinge that to get to our engine I've got to build a few ribs that are going to top the bottom of this and some mounting brackets to hold the engine down itself for the most part our engine housing is ready to go we can now start working on that part of it real quick here let me go ahead and just shut it all up so you can see what it looks like squeeze that down in the back squeeze that down in the front it's nice and tight so take me just a second get it on there there we go there is the outer body to our engine so we're ready to go with that now we just need to mount the engine inside of that and work on our fuel system and our oil system outside of this main construction video I'll show you a few ways that you can make some simpler compressors that are not going to give you much extra compression right now we make a turbo ramjet engine actually function pretty well with what we have I need to double the compression that we already have from this compressor and the way we're going to do that is basically build another one of these almost identical to it that's going to have double the ratio as the size of the input this one has so instead of having half inch lead bleh is the intake blade size we're going to have a one inch lead blade size instead of reducing down to 1/8 inch we're reducing down to 3/8 inch certainly doubling everything size and volume and we're gonna keep the exact same compression ratio how we're gonna build that little compressor is just like this so that's what it starts out as just a simple flat piece I fold a 57 degree angle I set up the line here for the next break I mark where I'm gonna cut that break so I have a 1 inch faceplate when I'm done with that it looks like this so basically you have a fold over down here ya fold over on that side those are words going to mount to the top and the bottom plate that's where the compression is going to take place this 1 inch wide leaf here is going to come up from the center drive rod and with some pliers and stuff I'll actually curve a little bit of a curvature to all of them when it's finally done just to get them to scoop the air just right well mimicking the curvature that you see on the face of those blades the outer edge is kind of curved over a bit so we can do that with this next what we're gonna want to do with each one of these we're going to take a flat plate cut it in a disc just like that and I use two washers just like this I put one out in front you can see it at the tip of my finger there I use the flat plate and then behind that we have another one of those washers so all I'm really doing is I'm cutting right here at the corner I cut back a half-inch I make sure I make a little bit higher cut on the raised leaf edge there so that way it's got the spacing for the washer edge to sit in there and I push those down in between that aluminum plate in that top washer until they're sitting right up next to each other and you gotta cut each one of them a little bit of a pie shape so they'll fit in eight of them and once we get those all pushed into that I'll tighten it all down I'll drill through the bottom plate down here where we have that bottom little fold over I'll drill through and I'll put a couple little rivets through that to hold them down under the bottom plate and then up here on top will basically take a ring we'll set that down over the top of the compressor a roll out of tube you're going to be a little bit higher than the height of the top of the blades here just to give us kind of a draw and they'll feather out just a little towards the front of it have installed all eight blades so they're not riveted down yet I just push them all in tighten it a bit you can see how nice and aggressive that's going to turn out put a piece of all thread all the way through this this will be the piece that actually the dry bull rides down through the center of that will kind of compress it into place probably even pin it just to keep it there due to the RPMs real quickly here I mean zoom in so you can see that cuts I've made on each one of those blades if it'll focus for us you can see the little angle out cut kind of a little L cut in the blade up there where it comes up to the top just against the all thread that was designs that we got that nice front look to it right there just a little bit of a cap over the all thread and that'll give us a really nice high volume high compression for a compressor to our turbo ramjet engine so let me show you dudes how I put this together first of all I found these little tiny sixteenth inch rivets not eighth inch but actual sixteenth inch rivets you'll notice they barely stick up inside of there they're not impeding my airflow much at all that's how I was able to rivet the bottom plate down to those blades that I showed you then the top plate here was that ring I showed you I just made a slice in it carefully kind of brought that slice down to a bit of a cone that way we could match the reduction in our blades here with the cone rolled out a ring the right size for the the Rays in our blades twice the height of the Rays and then with some L brackets just riveted to that ring and then down right into the top edge of those blades so it's a multi-purpose rivet point right there so there you go this is how you can build a real compressor fan to add to your turbo jet or turbo ramjet engine project so I've got a bearing system now mounted so we can get that to spin they go ahead and pull it off of there so you can see what's going on I have a stand off that I built that stand off is exactly the same distance as the edge of our compressor blade here that way the air will flow nice and freely right off the edge of the compressor back around basically we're gonna use this area as the diffuser it's going to come back around and then into our second compressor there that should give us about eight to one compression really close to eight to one compression here's the completed compressor now ready to go to install on our turbo ramjet a little stiff due to the brand-new bushings and all the holes and everything need to be run for a moment just to get it loosened up a bit but it's nice and centered this will move a lot of air for us as a primary our first stage compressor and then down through the entire system down into our second stage compressor if there's anything extra it's going to come out right here into our ramjet engine I've also installed a frame now this frame is the beginning of the mount hold our electric starter motor so I'll start building some pieces to mount off of this for that motor to mount to we'll be able to spin this thing up to 20,000 rpms just want to give you a quick look what that compressor we just got done building now looks like attached to our turbo ramjet engine we now have a large high volume compressor stage a turbulator stage and then our final second compressor stage here this should give us all we need to really get this engine up and running here's the motor mount I was able to put together I've got a block of aluminum that I drilled down in to make sure there was a spot so I could push the electric motor down into it the screw holes to hold the electric motor to that block and then off the block I just drilled through for some bolts to hold on to our L brackets here and that goes down to the end of an old electric motor that had high speed bearings and comparing x' were still good so you can see the bearing right there you can see the bushing coming right up to the underside of the bearings so we have a bearing and a bushing up here in the front that gives us pretty nice stability it keeps it rigid for the long length of the drive shaft here I have a bushing the bushing contact down at the bottom with a pin going through it you can see the end of the pin sticking out here you can see the pin hole that goes into the splines for the electric drive motor real simple just push the pin in and we'll lock that into place not hard to do now we're ready to actually spin this now that we built the compressor let's go ahead and test this out I've melted to do the front of our turbo ramjet and you never remove the ramjet portion of it so I could block off all the output holes from the intake for the ramjet we now have the electric motor ready to go hooked up to that compressor I've disconnected the secondary compressor so we're only running our front one right here just to test it out I have a candle set up here with an extra sized wick in it I just want to see from about eight or so inches from behind the engine just how much we blow that around it's good to give it some power here's a quick shot of all the pieces for the engine that we've built so far everything's basically done other than we need to build some mounts to hold the engine inside the case and the fuel and the oil system other than that this is it so these are all the different pieces but you would have to build to produce a turbo ramjet engine similar to what I'm showing you here we've got our main body you've got the intake cone there retainer ring we have our ramjet engine an afterburner portion here the combustion chamber to the main turbo jet the cowling for our first stage compressor the intake there for our second stage compressor the final thrust reduction nozzle we have our diffuser and our second compressor blade right there we have our primary compressor that we built there our electric starter motor our drive fan and our rotor and then our intake spike a quick shot of what it would look like if we were let's say at Mach 2 with an engine like this intake spike would be pushed all the way back into the furthest back position that it can go and the gap between the backside of the intake spike and the reduction collar here on the intake would be very very small and if you notice that the reduction collars slightly smaller in diameter and then the intake spike itself widest points that way the air that's coming off the spike and into the intake has to kind of deflect and reflect a few different times inside of that channel before entering into the rest of our engine that would slow down that supersonic velocity air into a subsonic velocity high pressure air before entering the engine now that we've completed our engine we need to work on the fuel oil in the ignition system to start out with we're gonna add a little spark plug to start this thing up and what I was able to find was this stainless steel nut at the local hardware store we're gonna drill a hole right there in the top of the combustion chamber we're gonna set that nut on there and weld it into place the nut has the right threads on it for this little nitro spark plug from RC style engines we're going to throw that right into the top just like that I have the nut now welded on I've got a ground down ready to go so all we have to do now is add our little spark plug to this and there we go we now have an ignition system for a turbo ramjet engine now that I've added our spark plug to the engine we're going to to work in our fuel system we're gonna run the fuel system with this fuel pump right here this is 145 psi fuel pump from a 500 horsepower turbocharged vehicle and the reason I'm using is due to the hundred and 45 psi that it generates from the fuel pump we're gonna go into basically a fuel ring just like this this one here is for the ramjet engine portion of its gonna sit right up inside of the back end of it just like this at the end coming out going to the fuel line I'm installing right now three little jet points on this ring so that will have plenty of field to dump into the afterburner and into the ramjet engine portion here I'm working on the flame holder sections that go around our fuel lines for the ramjet engine I'm just using some flat strip stainless just like this trimming them down the little horseshoes pushing those around the fuel line and then crimping them on creating basically a little V around each one of my jets here's a quick shot of the completed flame holder for you let me go ahead and install that into the backside of the ramjet engine I'll show you what it looks like daaad of that fuel ring with the flame holder installed and you flip it around you can see from this direction how all those V's are gonna work especially with the flow kind of straightening them all out now if you have a pinch roller that would be a lot easier just to roll that out of one piece with the V already in it I didn't have a pinch roller where I'm out right now so I just decided to do with little pieces working on installing our vaporizer or atomizer tubes inside the combustion chamber here and what these are basically is a tube with some holes up here towards one of the sides the other side of the tube is actually blocked off welded and then ground down that way nothing can get out that side the whole sides up here is gonna sit right flush just below the surface at the very beginning of our combustion chamber this is the compressor side of the chamber not the drive side and what that's going to do is sit down just like that down inside the combustion chamber and allow fuel to be sprayed from our fuel line's way down here at the very bottom of the tube now the tubes are inside a hot zone inside that combustion chamber once the fuel enters into that as a liquid it's going to become vaporized inside that heat the vaporized fuel is going to come out of these holes here right into the very beginning of our combustion chamber which is the actual combustion zone from there it'll enter into the region of the combustion chamber where the bigger holes are that's the saturation zones that helps kind of just overload the entire stream with a bunch of extra air so that air could be and expanded our fuel vaporizer tubes are now welded into place recessed down into the combustion chamber I've got a fuel running ready to go we've got our fuel lines coming off of that what this will do is basically go just like this right down to each one of those just like that so now we have our fuel line our fuel atomizers and our fuel delivery tubes ready to go everything's installed we've got a little notch in the case for the fuel line to come out of the case when the lid sits down on there we are now done with almost every bit of the construction for a turbo ramjet engine we finished our fuel line's I've just installed the ramjet back on the turbo jet engine portion so you can see the two fuel lines we've just installed they both come up to the front of the engine where it'll be much cooler I can hook a different kind of fuel line up to it you can see our oil line coming up right here at the diffuser that goes down right behind this bushing here and then through the rest of our bushings through the turbo jet to make sure they don't seize up on us here's a quick update at the end of the film we're going to go ahead and replace this suppose at 20,000 rpm motor with this 50,000 rpm motor with a 60 amp motor controller so that would be the one thing that'll be different between the construction video and the actual fire up video until next time I hope you enjoyed this was mr. Tesla nyan you

Channel: MrTeslonian

Views: 921,974

Rating: 4.7273469 out of 5

Keywords: How To Make A Turboramjet Engine, Homemade Turboramjet engine, RC Ramjet Engine, RC Turboramjet Engine, Rc Turbojet Engine, DIY Jet Engine, Homemade Jet Engine, Homemade Turbojet Engine, Turbojet Engine, Turboramjet Engine, Homemade Ramjet Engine, How a Jet Engine is Made

Id: HFBn821-DeI

Length: 34min 8sec (2048 seconds)

Published: Sun Jul 21 2019