Building a HIGH SPEED Rocket Plane

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I've been upgrading this RC SR-71 Blackbird to fly as fast as possible. Check out PCBWay at pcbway.com/g/9cfi7a for our one-stop solution for PCB prototype services and more.
👉🏼 Patreon sign up / jameswhomsley
👉🏼 More info about projects projectair.co.uk/
👉🏼 Follow me on Instagram / jameswhomsley
Thanks to E-Flite for sending me this plane www.horizonhobby.com/product/...
Thank you also to TSP for providing the rocket motors / piotrtenderarocketmotors
Thanks to these artists for providing some of the music in the video:
Andrew Applepie for the music used in this video - / andrewapplepie
DISCLAIMER: This video is purely for entertainment value. Personal use of video content is at your own risk. Recreations of experiments, activities and projects are the sole legal responsibility of the person(s) involved in replicating them. I can not be liable for any information or misinformation, wrongful use, damage to personal property, death or any circumstances that result from replication of any projects seen. Be safe!

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25 апр 2024

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Комментарии : 846

@martin2250 10 дней назад

5:24 small correction: you need 8 times the power for twice the speed. Force increases with speed², but power is force × speed

@christopherleveck6835 10 дней назад

And restrictive exhaust nozzles would be a great idea too...

@brucebaxter6923 10 дней назад

@@christopherleveck68355” drone motors actually, greater disk area and same efflux

@SubToRussertlogPlease 10 дней назад

plz be my teacher

@surfcello 10 дней назад

Was just about to comment the same.

@sidecarbod1441 9 дней назад

I though it went up by the square, i.e. double the speed requires 4 times that power. please enlighten me!

@ryguy81538 9 дней назад

Someone may have already commented on this and it might be obvious to you, but a big reason the plane is so unstable during the motor burn is it's not pushing through the center-of-mass. It's strapped haphazardly to the top of the craft causing it to nose dive down as soon as it's ignited. Placing it centrally in the back or adding another motor underneath is a possible way to correct this. Always love your uploads though. Keep up the good work.

@Erth 9 дней назад

Job Well done! 👍 interesting and inspiring video!

@MonroeSwift 8 дней назад

I was on my way to comment the same thing! also mounting the rocket motor further back on the plane will help.

@avialexander 8 дней назад

Or, you could angle the rocket to point back and up, so that the thrust vector passes through the CG. It will also push the plane down, but if it's already moving through the air all you need to do is increase your angle of attack to get a little more lift. Or you could do what JATO's do, and hang the rocket underneath or to the sides, pointing it back and down but still through the CG.

@baudouindesaintroman6337 7 дней назад

I don't do avionics, only pyrotechnics and solid booster engineering, but yes it seemed to me that it would be much more stabilizing to put the booster under the wing level... Also he modified the balance and weight of that plane way to randomly 😂

@avialexander 7 дней назад

@@baudouindesaintroman6337 Rockets are one of those things that mess up the whole "if it looks like it will fly, it probably will" heuristic. I think that's what we're seeing here, the complicated dynamics of rocket thrust and mass are hard to optimize around, so most people just slap a rocket on top of the plane since it feels correct. I blame 50's-70's pop sci artwork for this misconception.

@mike1261 10 дней назад

Back in 1980, in a time before computer aided design, I build a SR-71 Estes-type rocket from scratch. I referenced photos from a magazine and used balsa wood & paper tubes for most of the materials. It was about the size of yours. Being a fairly heavy rocket, it had two D-size solid propellant motors, one in each engine. I was quite fascinated by the Blackbird at the time, but extremely inexperienced at building rockets. Needless to say, it flew, but not very straight!

@ninkd0311 9 дней назад

I bet you used a slide ruler

@mike1261 7 дней назад

@@ninkd0311 🤣 If I was only that smart... it might have flown straighter. 🤣

@gkoshinsky 6 дней назад

I made mine in about 1990. I even followed the guide to paint it with different black paints, some flat, some gloss, to simulate the different surfaces. It was maybe my 3rd rocket. I never actually flew it. I spent so much time on it that I was afraid to launch it. Years went by, got interested in girls, and it hung in my room for years. My mom probably threw it out at some point after I moved out. It was beautiful though. I spent so much time on it. After spending months staring at it at the hardware store. Wish I would have launched it.

@mike1261 6 дней назад

@@gkoshinsky Sounds cool! I don't know what happened to mine either. I know I carried it home after the launch (more than I can say for some of my rockets! LOL)

@kenselleck2414 9 дней назад

You succeeded in making the SR71 exceed mach 3.2 in scale. I call that a win! Mach 3.2 is 2400 ish mph and your plane did 2800 scale mph. Bravo!!

@Soldo66666 7 дней назад

How do you scale speed and sizes?

@Rydog20 4 дня назад

By ratio of size Say if you had a model 1/59 the scale you'd need about 1/59 the power for scale speeds

@Soldo66666 4 дня назад

@@Rydog20 oh... That was simpler than I thought.

@Ingo3112 10 дней назад

you need to stop mounting the rocket engines to the top of the plane . they need to put in the back like the fans but in the middle . desing the same plane model but with the option to put in the rocket engines in the back like a fighter jet . and put 2 rocket engines in the back not one .

@BragizTheCocaineAttractor 10 дней назад

I agree with this cuz if it will be sitting on top, it kinda disturbs the aerodynamics

@Ingo3112 10 дней назад

@@BragizTheCocaineAttractor not only that, it pushes the perfect in line thrust point from the normal engines way higher wich causes the plane to pitch down and generate even more drag .

@alek002 10 дней назад

Cool

@TheZombieSaints 10 дней назад

You can can rocket motors that are essentially just multi stage boosters, you literally cellophane tape them together and when the flames hit the tape, it melts, drops off the dead Booster while igniting the second stage. More boost with less weight. Mounted underneath it with 2 boosters then the final motor with recovery chute.

@Avio_x 10 дней назад

That is true, but it is really hard to squish all of the electronic and also balance the cg with such modifications

@TomleyRC 10 дней назад

The Insta360 rear facing shots are beautiful! Such a versatile camera. I'm just replacing my original one after a good few years of hard use! Oh..and rocket projects are always a good watch 🤘

@Project-Air 8 дней назад

Totally agree! Thanks man

@charlesyoung8600 10 дней назад

It's not a project air build without rocket motors. Brilliant!!!

@adilsongoliveira 10 дней назад

As I said in another video, you really need to change your radio to use ExpressLRS. The receivers are very small, even the ones with PWM outputs and the range and reliance are excelent.

@sakfpv8444 9 дней назад

I agree, I switched all my fpv drones to ELRS and fell in love. Even my Arrma rc truck has it now

@chrisbrook6656 9 дней назад

Yep....ill never look back.

@TheRattleSnake3145 9 дней назад

You get over 2 km range with standard orange relievers, why would you need more than that unless you are flying fpv illegally?

@jordanliszewski6549 День назад

But then he could fit a gyro

@jordanliszewski6549 День назад

@@TheRattleSnake3145 Kind of a silly comment. ELRS wins over older control links like spectrum in basically everything, it's cheaper, receivers are smaller, it's range and link stability is insane and it's open source and always improving further. People have gotten over 100km of range with 2.4 GHz ELRS, basically for a normal usecase you never have to think about range ever again with ELRS. Additionally it comes with lots of additional features, adjustable data rates, model match, the ability to access settings on the flight controller flashing over WiFi. You don't have to switch to a different control link if what you have is working fine for you but for controlling things that fly, especially fpv, having a long range, high performance control link that never failsaves is a very good idea.

@RaynerGS 9 дней назад

One suggestion is to remove the fan and fan battery. In place of the engines, two rockets, one on each side. Use the drone or a balloon to raise it, and then a remote hook system makes it detach and fall, then turn on the rockets. Perhaps, lighter, it could reach 200 km/h. Salute from Brazil.

@vne5195 День назад

A standard planform airplane designed for subsonic flight would be more easily controlled, easier to see the orientation and easier to launch. Perhaps you could try a small diameter folding prop with a motor brake to stop rotation of the prop when the rocket is ignited. Having the rocket pointing out of the tail cone should make it easier to keep the center of thrust aligned with the center of drag.

@pioneerAv 10 дней назад

James Bond: The Man with the Golden Plane

@Aero-100 7 дней назад

Removing the engine cone was a good idea because it's used to compress air, but if you wanted more power you should add a compressor stage (from the turbofan engines) and put a primary fan in the front to suck all of the air in, and by that, where you put the rocket engines you should put in the front a intake because air sticks into a body when moving, then connect it after the primary fan. You could also have heaters inside of the engine so cold weather heats and you get more force. If you did that with only 1 engine vs 4 old ones you'll get even better power.

@gafrers 9 дней назад

You can never go wrong with an SR-71 Love these flight videos a lot more than the boat ones

@dfgaJK 10 дней назад

plz get an ExpressLRS controller so you don't lose signal at long range again

@jas-FPV 9 дней назад

Where did he loose signal ?

@FarmerFpv 9 дней назад

@@jas-FPV His Turbine video. What he needs to do is just add a proper receiver and a satellite or since he is running Spektrum he can just mount TBS Crossfire lite as it is plug and play with his Spektrum radio. That is what I use with my Spektrum radio and I can fly miles with my FPV planes.

@dfgaJK 9 дней назад

@@jas-FPV in the "Foam RC jet" video

@dfgaJK 9 дней назад

@@FarmerFpv or an elrs module bay transmitter....

@jas-FPV 9 дней назад

@@FarmerFpv I haven’t heard that. And he ises a TD Tandem receiver that uses 2.4 and 900 in parallel. So as long as he didn’t make errors installing it, this thing has the same range as crossfire or Elrs.

@richardm.newlands2417 9 дней назад

Ah James, this is your best one yet, brought a tear to my eye! Brilliant idea brilliantly executed! Just a few minor thoughts: Agree with everyone else who's suggesting a bungee-launch. FYI these incredibly low Aspect ratio deltas are a bitch in roll, because the stubby wings provide damn-all roll damping. And at higher angle of attack, the vortices spiralling off the leading edges tend to bang into each other over the aircraft centreline, causing a roll oscillation. So if you can shoe-horn a rate gyro into the roll channel it'll make life so much easier. I so just love this video!

@Destructor429 9 дней назад

You need to build a proper High start. 10 meters of surgical rubber tube and a release. Lots of 3D printed options out there. your hand launches are pretty sketchy! Using a High start lets you keep both hands on the controller. I like your builds! Excited to see the next one!

@Planetery_Dragon 10 дней назад

Who loves ProjectAir videos😊

@MsTatakai 10 дней назад

videos*

@daandolfijn2749 10 дней назад

Who doesn't

@PleaseSubscribeSoICanGet100K 10 дней назад

What was it befoore@@MsTatakai

@hughjanus5518 10 дней назад

That's why we watch

@partiallycertifiedpilot6557 10 дней назад

✋ 😁

@fustigate314159 8 дней назад

Props to the original manufacturer for making the landing gear accurate!

@garrittpwl 9 дней назад

Your video quality is taking massive leaps forward. This video was that of nearly an educational video on a mainstream media station. Keep it up!

@ADjasonTplayz 10 дней назад

The plane🔥 The neighbors reaction🗿

@craighyattusa 8 дней назад

That video was the most (vicarious) fun I’ve had in a long time. Some excellent research and engineering skills on display. Look forward to the next project.

@game-f-un-limitedgamer8958 9 дней назад

1:59 is when the black bird breaks the sound barrier :)

@Fortnite-ClipsYT 7 дней назад

@NicktheMedic 9 дней назад

That is one really cool plane. golden, rocket-powered, SR-71, 200kph, great footage and video so I'd call that a win.

@nauhaan1604 День назад

I love your videos! I am a Maldivian drone pilot and my drone pro E88 crashed recently. I really love RC vehicles

@robertstark3326 9 дней назад

Great project. That was a spectacular flight. The way you led up to the rocket engine flight was just so impressive and all the work you did to pull it off. You had a well-deserved success. Keep up the great work.

@TheActionBastard 10 дней назад

Long range FPV would be amazing with this project. Imagine the feeling of speed...

@_tyrannus 9 дней назад

Long range and electric ducted fans are like water and oil.

@shitbox170 9 дней назад

Get a Strix Goblin cruises around at 120mph and is fpv

@SgtMars 7 дней назад

4:00 that’s a gorgeous Mini Cooper!😮❤

@3D_printer_guy 6 дней назад

Thank you for another great video. I got a tip for line of sight flying, paint the plane with different colors over and under. Makes it easier to see which side of the plane is facing you.

@CodeLeeCarter 9 дней назад

Gold paint actually makes your RC planes go faster, it acts just like RGB on PC which helps you get an extra few frames per second.

@gflorey1975 9 дней назад

Love your videos - I know it's not about this but you should use a flight controler and ELRS - the recievers are tiny and have huge range - also give you upto 16 channels!

@ymemag9861 9 дней назад

I love how you put your RC SR71 into your RC car and drove it to test!

@jordancoleman2402 7 дней назад

What was he supposed to do with it?

@chrisduna6483 7 дней назад

Great job ! I’m terrible at rc airplanes but love to watch them my father use to scratch build them really enjoyed watching your video keep up the great work !

@vosechu 7 дней назад

I hope that you try your hand at it again later in life! It’s a wonderful way to connect with parents (whether they’re still with us or not)

@chrisduna6483 7 дней назад

@@vosechu I agree but no I always enjoyed RC Cars and trucks and were more my speed lol and have quite an collection of them that I really enjoy . 😁

@michellegomez5118 10 часов назад

bro should start his own bizz where he builds his own OP planes , cars etc

@ap0900official 9 дней назад

for everyone wondering: this is about 6600km/h or 4100mph scale speed! The sr71 model is about 1 : 33. The original went about 3500km/h or 2170mph, therefor the model would need a scale speed of about 110km/h or 68mph

@alwaysflying6540 9 дней назад

Just found this channel. I personally really like doing projects like this so for me it was very enjoyable to watch

@Hayden_Wheels 9 дней назад

I would recommend going towards FPV so you can continue with the 8 second F sized motors

@BarrettCharlebois 9 дней назад

I always get so excited when I see you drop a new video, especially if it has rocket motors.

@TheIronHeadRat 10 дней назад

Great job 👍, how about a catapult launcher build 🚀

@nakul3424 10 дней назад

Hey man! Try using a very stable platform for your rocket plane.. I think you are selecting Jets with very tiny wings span and the smaller they are the twichier they are. Try the multiplex Funjet ultra 2, this is small for high speed but highly stable! It has a cult follwing in rc community for cheap speed. People have flown this over 200mph with 6s electric motors. It flies straight like an arrow and easy to manoeuvre. It needs very tiny single quad motor on even a 4s to go very fast, go far away and choose a very straight full throttle pass, once your plane is locked in and wings are steady fire up the rocket, i promise you wont regret!

@eliotmauries9712 9 дней назад

always a good evening when project air drops a rocket plane video

@Project-Air 9 дней назад

Thanks for watching!

@stewpadasso297 7 дней назад

Dude cool mini! I built and flew a model SR71 Estes rocket kit when I was a kid. I still have it and it hangs with my other model planes in my home office. Cool video sir.

@fooman2108 9 дней назад

Part of your problems is that the intake cones CONTRIBUTE the thrust of the SR-71. Which can contribute as much as 70% of thrust (depending on weight and altitude). The intake cones move in and out, AND tip up and down to shape the supersonic shockwave into/through the intakes.

@impiggybro 10 дней назад

WOW SUCH A GOOD AND CREATIVE VIDEO!! KEEP up the amazing WORK :)

@ericwillis777 6 дней назад

Great fun, a pleasure to watch, reminds me of my APS Folland Gnat jetex model, which only managed a smoky ballistic trajectory after a very energetic hand launch, - far too heavy, cut up postcard is not a substitute for a bristol board skin !

@JCtheMusicMan_ 9 дней назад

I would love to see you 3D scan the A/C and scale it up! Give yourself enough room to cram in more rockets into the form factor. Love this project!❤

@nigelhutt9921 4 дня назад

I know nothing about RC planes but found this a thoroughly compelling snd informative video.

@mikelschuyler748 15 часов назад

Ok so that was INSANE CANT belive you did that coolest EVERRRRRRRRRR!!!!!!!!!!!!!!!!!!

@PortedBricksYT1200 10 дней назад

THANK YOU FOR UPLOADING!!!

@BPBomber 10 дней назад

Your projects always look like such fun.

@darreno9874 8 дней назад

Back in the 80s there was a rc plane called the bullet it easily reached 100mph according to the manufacturer and having seen it fly it was so much faster than anything else. Great job😁✈️

@cfeauto5938 9 дней назад

The plane didnt seem that unstable when you were flying it, at least from the camera if anything the lack of input from a gyro probably helped quite a bit. If you were to get a good FPV setup (one that can record relatively well) it would take up about as much space as that Insta360 setup and allow you to keep the aircraft as straight as possible for the entire length of the burn rather than needing to do orbits. What i would LOVE to see is this thing kinda turned into an X-15. Rocket motors in each of the engine pods, then you need no fans, no major cuts, lighter battery and a completely lighter airframe. Perhaps...launched from another plane? riding piggyback like the shuttle? I doubt with the shape that dropping it from a drone would do anything but lawn dart it. Definitely some room for improvement and the SR-71 platform would be quite Fun to see flying at Mach speeds!

@LJvids-wk6jb 3 дня назад

Literally my favorite plane! Thanks project air!

@spamspam4117 10 дней назад

A question for philosophers: is it still a blackbird if it's gold?

@Random_npc9 4 дня назад

Goodnight

@VoidVR64 3 дня назад

Goldbird

@batisphere1168 2 дня назад

Depends on wether you mean plane itself or a color specifically

@newtommy876 9 дней назад

you should paint the nose of the plane a very contrasting color to help with seeing the planes orientation even more

@ernstgoldfinger1178 5 дней назад

You have just proved the principle of fly by wire. You're a great tuber and experimental engineer... So my question is why did you not 3d print a custom Nacelle to enclose the gyro? The gyro was the one key component to keep the flght im check. So I give you a B+ mark for your achievement. However with your workshop and experience the gyro should have been engineered back in. I am critical as I worked on F-4 Phantom Jets as an electrical technician and am so pleased that you are holding a fantasy job. Keep it up. The RAF should recruit you at Boscombe Down with IA. Minimum rank of Flt Lt with maximum seniority. Imagine their workshop and 3d printers. Recruit your Lady too... What a Dream Team! Respect.

@harleyletts6925 23 часа назад

With the amount of distance it takes to build speed and the speeds you are reaching and the area you are covering. It might be advantageous to consider flying the plane in FPV type way. So that you can maintain orientation and not just line of sight.

@juliwankenobi759 5 дней назад

in my opinion, a pov camera would solve your running out of space problem. you could fly further and with more presition. i think its worth a shot with the only down side of weight.

@OzAndyify 9 дней назад

You need a launch slingshot for planes with high wing loading and EDFs. It will make life much easier! (and cheaper)

@warbuzzard7167 9 дней назад

Make a tether launching ramp. It’s simple and very inexpensive. You will greatly enhance your launch velocity and stability and will have a much longer lifespan of the model. There are plans for a foot-operated trigger so both hands stay on the radio for control.

@rogerburner3577 8 дней назад

Love all your videos and especially your Mini, I have always wanted one of those cars. I live in the US and they are pricey here.

@FarmerDrew 6 дней назад

14:30 kudos to you for maintaining a decent flight profile, that's a crazy acceleration for the scale

@comedianfiftysix3775 9 дней назад

That was Absolutely amazing; I really want to pick up the E-Flite Blackbird in the future; soon as I quit bending the landing gear on my Cirrus 1.5🤣

@antitheist9976 10 дней назад

Outstanding, cannot wait for the next one ❤🙂

@MyCreatorSpace 8 дней назад

This is awesome. wathced the whole thing. feel like it would've been turned into a 5 pt build. first rocket powered test could've been a whole episode on its own.

@001snapshot 8 дней назад

Absolutely LOVE the Corsair in the background....

@thefantasyforge5015 10 дней назад

This is your coolest plane yet. Good job!

@brianswille 8 дней назад

Cool project! Cant wait to the the next... Gigga... sized project you have coming!

@thewatersavior 9 дней назад

Check out the Seahawk foam.. No need to hand launch and you can turbo charge the rocket if you swap to metal blades 🙂

@businessraptor127 6 дней назад

Top notch with the wind tunnel testing!

@virajmankar4882 10 дней назад

man you mske such a nice videos i always enjoy your vids..keep making such type of projects

@rcman4.2flyboy 9 дней назад

I got the same blackbird from eflite thats a awesome mod you did there dude 👏 makes me wanna mod mine

@sral2482 10 дней назад

Really nice video. I just thought it would be really helpful if you add for example a DJI O3 or some Walksnail system to your planes. You would have HD transmission and onboard 4K recording. On top of that you can use the gyro data from the O3 to stabilize the Video. And with up to 10 km of range you could easily test long burn rocket motors without having to turn around. Overall the handling would be much easier.

@travisolander4749 День назад

That Mini is beautiful.

@jamestunedflat8942 4 дня назад

Imagine a scale F-16 with a tube running down the center containing a large edf and set behind the fan, an f rocket engine. When you ignite the engine a flame will come out the tail like an after burner, and the plane will accelerate quickly.

@DavidRJones82 10 дней назад

Bloody brilliant!

@Suk_unago 2 дня назад

This guy got the coolest and cleanest car ever

@zaidayman441 10 дней назад

Great video, very fun to watch. Few tips though, don't do high speed runs without a gyro because not only you were losing speed going right, but also losing speed going up and down. For that though, you will need better avionics and custom code depending on the airplane's characteristics. i think doing that first is better than hastily slapping on a rocket motor. Also, there is no problem going a little bigger and doing the aircraft shape yourself.

@snezzles278 9 дней назад

thing looked awesome in the air 👍

@DylanDiener-wv4nu 9 дней назад

Great video, however, for this purpose, the SR-71 is poorly optimized. The SR-71 was intended for supersonic flight, but because of aerodynamic gobbledygook (don’t understand why tbh), aircraft have less drag the more rounded and shorter they are. I’m impressed by the fact it was controllable at all, because even the life sized counterpart was difficult to manage at low speed. Awesome video! Liked the camera angles!

@aidanperkins3456 8 дней назад

That was sick keep up the good work my guy ❤❤❤

@robsbeta21 10 дней назад

Need to see a build video for your mini!

@morkshanmedia3998 9 дней назад

You should build your own SR-71 with bigger engines or try adapting another aircraft design (don’t keep it scale tho ofc)

@spyersecol0013 9 дней назад

According to the Hitch hikers guide to the galaxy Gold makes you go fast because of... MAGIC!

@somestarman892 9 дней назад

As others have said, the center of thrust has to be in line with the center of mass, fix that and you’re set

@W.O.P.R 8 дней назад

Just break Mach 1 with this model and try to control or even attempt to see it screaming by…then remember that some special pilots flew in this for hours at over Mach 3 Amazing machine and great video

@BassMatt1972 9 дней назад

5:30 Sound works in a similar way. If you have one "Marshall Amp" on stage, you need 4 "Marshall Amps", to be TWICE as loud.

@advaitbhore 10 дней назад

The best and most entertaining diy plane channel everr!!

@100luk 9 дней назад

your vids never cease to amaze me.

@MarcStollmeyer 5 дней назад

You should use a flight controller to maintain level flight. There is so much movement I think it could go a bit faster with no other mechanical modifications.

@christurner1909 6 дней назад

You just randomly popped up in my feed, but I know where your flying field is 😂. I fly the other side of the hill, not for a few years though, even got a rocket plane of my own!

@barbecuebenny 10 дней назад

Love the vids I wish I could actually fly a rc jet/plane

@joshuamcbride5019 9 дней назад

I'd like to see you build an X plane, like the rocket powered planes that were used to break the sound barrier in the 60's and 70's. You could have a drone fly it up and drop it and you could use those long burn engines in conjunction with the fast burn ones. Use them in stages with the long burn getting you up to a good speed and then using the fast burn to really punch it for a big top speed number.

@fruitymf6952 6 дней назад

Your videos feels like an irl ksp gameplay

@Catfoolyou 9 дней назад

I read somewhere that the intake area should be almost the same size as the area of the EDF, so removing the cones on the intakes probably helped getting more power out of it.

@submachine785 9 дней назад

Maybe add a parachute to the next high speed plane to reduce damage on crash landings and if you use a rocket engine with a parachute charge maybe you could fit 2 engines in one tube. Maybe one slow burn to get up to speed while staying stable and one fast burn to really send it!

@nickcoppack4685 9 дней назад

Well done James yet another video I cannot stop watching until the end.

@BrannonAerospace 9 дней назад

James: “Here we’ve got a rather fast plane. Now, let’s basically build it again and put a rocket engine on it.”

@OphobbyYT 8 дней назад

That was awesome. I can't wait to see your next rocket plane video!

@angleofattack5942 8 дней назад

It would be interesting to try a dual stage EDF where you mount the small motor at the front of the nacelle and the big one at the back. It would be a lot heavier but might work on an aircraft with a larger wing area.