1st Start of RC Jet Engine Ends Badly
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- Опубликовано: 10 янв 2021
- We start up a few JetCat turbines and have a Failure on the first engine almost right away, looks like the starter clutch fail to disengage and the starter oversped and broke apart.
I then take the JetCat turbine apart and the starter to see what went wrong, then we start up 2 more turbines after that.
This is about 14 minutes of non-stop jet engine action hope you enjoy.
I figured I would do some videos with these little jet engines since almost everyone enjoys these little jet engines and my friend wanted to bring them over and mount them to my stand to test them.
Personally I love hearing these engines and seeing these engines run.
I just can't get enough of seeing jet engines run there's something about it, so hopefully you enjoyed this video let me know if you want some more
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Watch this in 4k when possible, it looks incredibly awesome !
Carbon 12
www.c12.tv
Produced By: Carbon 12
Directed By: Matt Mikka 
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I spent quite a few years as a test engineer for the full-size things. We had something similar happen with a starter (well, starter/generator). Only it wasn't plastic housing, it was magnesium. When it failed, we got a 4 foot bolt of lightning and a giant flash of blue-white sparks and then the vibration sensors all went insane as the motor tried to shake itself apart.
That is so badass
What a sight. Brown trousers time I bet
Magnesium! I know what you mean by a bolt of lightning.
It went to permanent cool-down mode.
💀💀💀
The sound of the jet engine is awesome! Looking forward to future episodes!!
It probably sounds even more awesome installed into a model airplane during a fly by.
Hello Project Farm!!
Let's get the testing underway
Is this a new idea to see testing on your channel?
I agree! Thanks!
Normally seeing mechanical destruction makes me smile (fix enough so its therapy to me), genuinely felt bad on this as one hell of a toy
I know... Same here
Cuz, its a frickin rototary, you'll be happy when it runs
When he said “it’s gonna go into cool down mode, and we heard the turning CREAK to a halt, I knew something bad happened
Same here.
@@WarpedPerception ouch man!
@@WarpedPerception it did sound great when it worked though!
That sound as it came to a stop... right through my soul. That's the sound of 2020
@@kaasmeester5903 sounded like my wallet dying. So yeah. 2020 indeed!
R/C Turbines are by far the coolest things ever. I've loved airliners since I was a kid and just the thought of being able to strap a small jet turbine to an R/C vehicle is incredible.
The startup sound, running sound, and the sound a giant engine makes at takeoff power is probably what drew me to aviation. I love being on the ramp when a 777 is starting up those massive GE 90 engines!!
"Look at the compressor wheel, it's damaged!"
"That blows!"
No it doesn't he just said it's damaged. It does anything BUT blow.
I'm pretty sure it sucks.
@@MrTwoZZT
My vacuum cleaner sucks, not sure if that’s a good thing.
@@locouk that blows!
@@locouk I mean "sucks"
"It certainly does suck!" ~Wayne Campbell
Oh no you can hear the utter dismay in his voice when he said it was supposed to cool down and it screeched to a halt 😪
Totally!
I felt so bad he said...oh dear... poor guy
I’m not normally a mechanical sympathy kinda of guy, but that time I felt bad. I guess you need a fire extinguisher and a leaf blower just in case with these.
@@H3110NU or monitor the starter motor leads for voltage once the engine is running. A motor being driven generates a voltage. If you see a voltage across the motor wires, the clutch didn't release and the motor will quickly fail due to being spun at a rate far in excess of its designed maximum RPM.
@@H3110NU never hear probs with air start
I love the comically oversized flask as a fuel tank on the side!
It's for my upcoming episode, but I ran into some serious engineering challenges with what I built. I'm putting on the final details today and hopefully going to finish filming the episode tomorrow. I think everyone's going to really like it
@@WarpedPerception Can't wait to see it!
Gives the whole thing a suitably "mad scientist" sort of vibe. :)
big beaker.
As A.J.Foyt once commented, "If you can't afford to pop em, you can't afford to run 'em."
I do think the design of the starter can be improved. Reliable override cluch and heat resistant case would be good places to start. Engines like this should have single fuel single button start because most people do not know how or why to properly start these things.
The savety errors are obvious so no comment needed.
As a certified jet engine mechanic, I say the compressor blades can be blended( filed down to a smooth contour, I can help you if you need). You dodged a bullet when it seized, since when the engines are hot like that they tend to expand and contract when suddenly thermal shocked, permanently welding them shut.
very cool
That’s why those metal shields on the front of the engine are so important!
A demonstration of a "birdstrike"...thanks for showing us. 😅
I was going to shoot something similar with general electric a couple years ago
@@WarpedPerception you need to make that happen!
What a time to be alive, jet engines with such power have shrunk down to this size, crazy.
Been this way for 15+ years lol they are much more advanced now. These are old school
Thank you for always looking to showcase such an interesting swath of things/mechanical based machines and functions. I am always glad when your channel is growing. You show people that even mundane things can be very cool to watch when shown in proper perspective.
Thank You! Im finally where I want to be on RUclips so now time to make some videos!
This engine is both adorable and menacing at the same time
I love the way with the smaller jet engines, you can literally watch the fuel levels dropping. Scaling them up definitely makes them more efficient!!!
In order for this to be more efficient it would need to run a higher compressor dischsrge pressure which means it would run s lot hotter so either itd have to be like a quarter a million dollars to pay for all the r and D to do things like super alloys, film cooling,blade tip clearance control, multiple stages, the whole shebang or it would run slightly more efficiently until it melted itself down, this is a very simple jet engine with just one stage of compression and im pretty sure 1 stage of turbines
I hope that company sees this and helps Sherlock out. Hopefully they also redesign their system as well at some point.
For real! If I dropped 2k on a TOY, and it failed NOT BY MY FAULT, but by manufacturers defect, ON CAMERA, I’d mail the parts back to them
@@The_Mimewar couldn’t agree more
It’s crap like that which ruins some companies reputation because they don’t care.
those things scare the hell out of me man. I wouldn't even stand next to that thing without some sort of scatter blanket on it.
No joke. That thing is spinning insanely fast. You wouldn't catch me anywhere even close to that thing when its at full power.
I'd be inclined to stack bricks around that thing for its first run
90k rpm.....more than enough to launch a fan blade through your tissues
@@midship_nc it's centrifugal, it doesn't have fan blades, it's like a car turbo.
@@snowcow1173 nop, these are called impelers, and are much more sturdy to the rotor simply because they are one piece, in axial flow engines the ailfoils are mechanically atached, those are more durable as long as there is a proper technician behind it.
however centrifugal flow are less likely to fail, specially under extrange object introduction, thats why they are used in choppers despite its lack of power compared to an axial flow
I'd like to have the youtuber "AvE" have a tear-down commentary on this. "...The hand-blender was playing finger-cuffs with the starter until she had too much and decided to make a run for it"
she wasnt skookum enough, chooched its self into oblivion
@@midship_nc The hand-blender was playing finger-cuffs with the starter until she decided to make a run for it
@@blurglide easily my favorite canadian ever.....almost worth moving to BC to just spectate public arguements at the grocery store
Tha combabulater decided to pack up his sht and fkkk offf leaving me with some quality chineseiam to turn back into Korean people chariots
It’s plum screwed
Sherlock: Let's make the best of it.
That is an example of an easy going, good natured man.
Thanks! Imagine life if you didn't always look on the bright side...
This reminds me of when I was in the Air Guard and got to go out to the test stand where they had an F-100 set up to do an engine test. They started the J-57 engine, idled it for a while and then ran it up to full military power and then lit the afterburner. I had ear protection on but standing right next to it while it was running was still probably the loudest sound I've ever heard.
Sherlock seems like a really cool dude. He's got some cool stuff to play with.
This is the channel that has all the stuff I never knew I wanted to see. Keep going man!
The throttle response on turbines is definitely a learning curve.
I have a good friend down in Chicago that I fly helis with, that flew a turbine helicopter in a 3D competition last year, and was able to show the power they can provide....in the right hands. You should seek him out to see what a turbine heli can do.
Yes absolutely the throttle response is much different it's kind of like PID, steering a ship principle. But the smaller you go the faster the response No doubt.
the coolest thing is when he cuts the fuel and the engine makes that flame out sound and then just slowly spools down music to my ears!
Very cool to see the disassembly. I'm looking forward to seeing more.
I really love the sound of jet engines,
When I saw the piece flying of I knew it was gonna end bad.
Hope its not gonna cost to much to fix it
I felt so bad for him when it didn't go into cool down mode. He sounded so sad.
CRUSHED the ITT on startup.
I have to admit, that was the one of the most enjoyable RUclips video that I have ever seen! I haven’t seen a jet engine demonstration since I was at the Museum of Science and industry by Exposition Park when I was 10. Thank you for the Great Post. Really loved it! 😁
Now that we have a jet that's already half destroyed.... Let's totally DESTROY it! Nitromethane! Whiskey! Run it on WD-40!
actually turbine engines run on pretty much anything
@@ciphergalm1174 precisely the point. Let's go all-out with the fuels and see how far and funky we can take it!
3:28 He: Why isn't going in the cool down mode?
Engine: Fusss......Boooooom.
LOL LOL LOL
Darn. You two have mad skills. That was fun to watch
Good you had the honesty to share this so people can learn from it.
I think I wanna become a RUclips personality.... just to have that slightly closer perspective of warped experiences. Those are cool!
Just get the jetcat pro turbines. They are way better. I made my internship there. The factory is next door. The small turbines have the starter in front, because there is not enough space inside. That it is plastic, is just stupid.
I am looking forward to see more jet engine videos in the future.
I already started to redesign the starter mechanism I'm going to come out with my own version for these engines. I thought the junk cat pro turbines were set up the same way?
@@WarpedPerception ok, thats impressive. You put a lot of work into your videos. The big pro turbines have a different Starter system. As soon as I got enough money, I want to put one on my bicycle. Maybe this is also something, you can try.
I have never seen a mini jet engine. Pretty cool!
Thanks for sharing your turbines!
That last run had me watching the fuel tank literally draining before my eyes!
I believe your analysis is correct, it sounded like the clutch was intermittently seizing and spinning the starter motor up.
Yeah, and based on what it looked like when they opened it up my guess is the starter was never cleaned or serviced which could have caused this.
Thank you Sherlock for showing us your jet engine. I'm very sorry it failed man.
I've had many turbines with no FOD guard. One quick trip to the dollar store to buy a small metal strainer to modify as a FOD guard has saved my turbines in the past.
I was chasing girls. This kid is building jet engines. I kinda don't feel so smart all of sudden. Proud of you two!
The clutch is exactly what failed. I had a clutch fail on a real turbine engine years ago (a J-57 ) and while there was no FOD damage, the starter/clutch became a very good door stop.
always wanted more info on these engines , thanks for the video
Great analysis of the clutch issue!!
3:12 Turbos be like:
Ikr the spool off sound
SUTUTUTU
its not good having compressor surge lol, although it sounds cool lol
My ears died in the process. Can't imagine what it sounds like in real life.
I turned the gain way down in editing...like way down, the sound is unbearable and the larger turbine that I have which I did not run in this video, literally shakes the ground.
Near where we live, there is an airfield with a road that goes behind the departure takeoff end of the runway (the roads have railroad like crossings on them to stop cars from flipping.) And me and my dad got to hear a lier-jet engines spool up and takeoff, it's honestly amazing, once in a lifetime opportunity to hear one.
APU's normally start the rotation of an engine for startups. Sounds are very loud in db's; they sure screwed my ears up. Ed from, MD USA .
Whatever the application, jet engines are just so cool, I’d run them just for the noise!!
That was a fun video. Thank you Sherlock for sharing--very cool!
That thing is so loud they had trouble hearing themselves😲😲 I liked the episode
Aww, you let the magic smoke out.
Absolutely fascinating . Tim from Australia.
Good luck getting any kind of respectable service from them in Va Beach!!! I literally GAVE my Jetcats away and replaced them all. Never had a problem since!!! Good luck ya'll.
"now it's going to enter the cooldown mode" - ball bearing dies, and you hear the squeak of death LOL
Things that end badly, sure make for good YouTubing!
yup, friends would say something is wrong when they spot it.
Aw that poor fellow, I feel bad for you man. Expensive stuff there.
Watching this video again, after a while. I remember this mishap! Just before watching this, I happened upon a few guys enjoying their RC planes in a field. I just had to stop and chat. One of them had just bought a Jetcat just like this one. No shit, the propane hose failed. In my car, I had a meter of nice rubber hose, the right size. I'm an old school mechanic.
We got the beast running. I was very impressed at the automation, the controller went into cool down mode. Yes, I cringed at the starter housing being formed plastic as well. Tell you what, it's mission critical that the starter clutch disengages. It's a brush type motor. Through software, the controller can disconnect the DC power, and watch that the starter has actually stopped! If it is locked, it's a wee generator. In this case, the controller could be programmed to do an emergency shutdown and cooling cycle.
Same thing happened to my '73 Mustang once. The starter motor stayed engaged and got destroyed. Fortunately with a piston engine, it doesn't damage the rest of the engine, like it did here.
The first start of the first jet engine in 1937 in Lutterworth where I live ended badly as well. Frank Whittle built it on a trolley and just in case it worked, he built the engine on a trolley and bolted the trolley to the brick wall of his workshop. The engine fired up with far more power than he thought it would produce. It ripped the bricks out of the wall leaving a gaping hole, and the engine and trolley shot across the room and smashed to bits against the opposite wall. He showed it to the RAF suggesting they could put it on an airoplane. They said no thanks, it hasn't got a propeller. It would have been quite useful in WW2 . . . . . .
There where probably a number of reasons it was rejected. Frist one I think of would be new tech 2 years to test and then produce jets. They where probably also afraid of another dreadnaught situation. I can imagine that completely redesigning the sup0ply chains for all bases, jet engines need a different fuel to run then prop. Then there is the expected enemy, do you need a plane like that to fight the Germans etc. There are examples of prop planes shooting down jet craft.
Would it have been a major upgrade to the Royal Airforce I personally don't think so keeping something good enough building it in numbers and being simple to train people in its use are key points.
@@rascototalwar8618 Germany had the Messerschmitt Me 262 by the end of WWII. Other planes were in development including jet bombers. Had Germany been able to continue fighting longer, or developed jet power quicker, it could have quickly rendered propeller driven planes obsolete with the Allies several years behind trying to catch up.
I’m not into RCs, but this was fascinating. Sad to see something like this after a person invests time, energy and cash. But way cool stuff. That clutch disengagement failure sounds like a smart assessment. Love the whistle of turbines.
These little jets are mind blowing! How cool can you get? Man you make some of the most awesome videos i have ever seen on ScrewTube!
The entire time I was like *get out the way, that table is gonna fly*
I'd be inclined to stack bricks around that thing for its first run
And maybe put the big beaker full of kerosene further away^^
And.not park the car in line with the exhaust jet.
I've been involved in both the industry and hobby-side aspects of turbines with a few different companies. Turbines are an investment in money, certainly - but more importantly, they require a massive investment in time, patience, attention to detail, and CORRECT EQUIPMENT, KNOWLEDGE, AND PROCEDURES.
They are not things to ham-fist together in a garage.
Anyway, happy flying.
Yess!!! Can't wait to watch man been waiting to see what u got going on with the jet engine
This is just tragic. That is a great motor, i have the same one.
Sad to say, but he kind of did everything wrong. Should have had the compressed air ready to go from the beginning, which should have been immediately introduced once cool-down failure occurred. He also had inadequate butane fittings. That motor is cooked.
Would it have mattered? The thing would have still ingested part of the starter and toasted the turbine.
@@GigsVT Maybe yes; maybe no. If had a clean start with butane introduced evenly and consistency the starter would not have had to work so hard.
@@GigsVT the compressor wheel. We didn’t get to see the turbine wheel. Compressor and turbine are two different parts.
@@edmartinelli If the problem is that the starter clutch failed to release, it doesn't matter whether the starter was powered or not. The engine overreved the starter.
On the other hand, if the problem is that he kept the starter engaged after the engine was running at speed, then he likely caused the starter to overrev.
He didn't seem to be very prepared to fire this engine up, as he had the fuel tank right up against the engine itself, and as others noted, he didn't appear to have a fire extinguisher in sight, and the exhaust was pointed directly at a car. If the engine had grenaded, shrapnel would have pelted the car. Also, it didn't look
Still, I feel bad for him. That was a really expensive toy.
No eye protection either, and I don't see a fire extinguisher in sight. I totally understand the urge to jump right in and play with new toys, but I've learned my lesson over the years.
I just love how when one of these R/C turbines with jet model crashes they explode in a fireball just like full scale!
Yeah could have been worse. He could have been flying it
These engines sound so cool!
Love that sound of the whine of a jet engine!
Same
I love your channel! Keep up the good work!
Thank you
You need to fit a Foreign object catch screen around the intake. That would stop that sort of accident happening again.
One helluva great toy! Hope that you can ' make it like new' again. An awesome sound.
Nice video man! 👍🏻🤗😁
Love them jets
the propane doesn't start the compressor, it heated up the combustion chamber in order to make the jet fuel vapourise
Email JetCat and see if they can replace that part for you since it shouldn't have failed that quickly.
Second hand*
@@junatah5903 Jetcat " what lol ? not our fault lol"
They should solve it. My faith is gone.
@David G What's the justification for the "stupidity" verdict?
Thanks for sharing. Cool stuff!
wow. 2k well spent. looked like a hot start.
Приветствую всех любителей турбореактивной тяги!🚀
Это я хотел написать! Вот ты жулик.
PS А Негода подзагорел, что не узнать.
СТААААРТУУУУЕЕЕЕМ!)))
*What not to buy: mini jet engines* - Thanks guys :')
More correctly 2nd hand mini jet engines. You never know where they have been, and usually no warranty.
The amount of small debris on that test stand was giving me hardcore FOD heebie jeebies.
Such an awesome technology that I still don't complain understand...
I know nothing about RC jet engines but I would never park my car right behind the jet exhaust.
Or in a large glass flask!
Probably the least efficient engines ever designed, and I think that’s exactly what makes them so freaking cool.
It's not a turbofan
@@ag6371 and?
Its for RC jets. I fly 2 of these made by JetCat
For what they do, Henry Coandă did a great job.
Low efficiency for fuel useage? Sure. Very efficient in terms of power density and power to weight ratio though!
Awesome piece of machinery
Thank you friend!! Love this content
This is why sometimes when doing the first start of "big" jet engines, they will hit the kill switch pretty much as soon as the combustor lights and then check for any signs of trouble before performing a longer run.
Well if big jet engine is unbalanced, physics is gonna take its course sooner or later.
If this was "start it up now for the first time", then how come at 0.17 you can see the hole in the casing, but then it fixes itself at 0.54, wow, what an engine
You sir have a great eye.
@@SuperDaleski1 I had my earphones on, the amazing realistic sound of the engine took my ears away, resulting in my eyes going in super-optic mode :-)
Great video. I think every junior and senior high school in America should have classes and these engines on site. No learning can compare to hands on learning. Thanks for this awesome article
Absolutely agree!
Awesome
Good project's I like all of them.
Thank you for doing this.
Legends say, he still asks "Why didn't it go into cooldown mode" 😂
"Yea that is my first full throttle run". Looks like it'll be your last too
Really cool to watch!
That is really cool, thanks for sharing
Great video on HOW NOT TO START ONE OF THESE, Please everyone WARM them up fully before starting
On a real jet you'd get a NO STARTER CUTOUT caution. And if the starter explodes it's not pretty for the engine cowling
That is for sure I haven't seen that in person yet but I can only imagine
@
Nick Steffen This isn't a real Jet?? I wonder what we are looking at then...
@@ThunderPantz01 he's implying a full-size jet used for actual aircraft, as opposed to a scale engine for R/C craft
@@AliceC993 I know what he thinks. I am just tired of people talking about scaled down versions as if they are not real. Or just Toy's. There is absolutely no part of a scaled down Turbine that is a toy!
Something they could have easily done in the engine controller, the starter shouldn't be generating power long after it disengages... however some hobby sized jet engines use a starter that doubles as a generator and remain directly attached to the turbine during operation.
I love this stuff
Reminds me of Wiley E Cyoete 😂
What a beautiful sound