Modifying, Crashing, & Redeeming the FMS Su-27 Flanker Twin 70mm

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Revisiting the FMS Su-27 RC plane, the hidden potential of this jet was revealed by moving to one battery under the air brake compartment with a lot of nose weight to counter balance it. This produced an exceptional flying jet that performs just like the full scale Su-27 Flanker. Next up will be a repaint into the Ace Combat 3 UPEO scheme and a complete airshow demo of what it's capable of.
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rc plane, aeroplane, rc planes, airplanes, airplane, aircraft, model airplane, flying model, tutorial, learn to fly, crash, rc plane crash, plane crash, tail heavy productions, brian phillips, rc saylors, the rc geek, flite test, flitetest, petrincic bros rc
0:00 Intro & Tail Heavy Crash
2:13 Takeoff w/ SMC 5300 6s LiHV
3:08 Tight Loop
4:36 Touch & Go
5:24 Kulbit to Flat Spin
6:00 Landing
6:30 Takeoff w/ SMC 5300 6s LiHV
7:00 High Alpha Pass
7:30 Cobra Spin Attempt
8:52 Perfect Cobra Maneuver
9:30 Touch & Goes
10:40 A Gyro is Necessary
11:44 Landing
12:10 Flight Characteristics at 200mm CG
13:02 Cobra Maneuvers
13:48 Why We Wanted Relaxed Stability
14:16 Revisited TwoBros Score

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Опубликовано:

31 май 2024

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Комментарии : 78

@jesserc24 Год назад

“Nice! NOT NICE AT ALL BUDDY” Awesome video Jon!

@ojeezrc Год назад

Great flight my guy 💪This is a nice jet bro ,those smc screams

@velcro62 Год назад

Love your content!

@TwoBrosRC Год назад

Glad to hear it!

@stepanbmw Год назад

Do you have a degree in Aerospace engineering? It looks so because your aerodynamic explanations are so precise and accurate, and the terminology is absolutely correct

@TwoBrosRC Год назад

Nah, it's a passion of ours to try and and be accurate and educational. Thank you!

@insurancemann1 Год назад

This is how this model should fly. Great job on the repair. Would have liked to see a video on how you did that.

@TwoBrosRC Год назад

It was super simple, just a pair of CF rods from an old Timber's wing pushed into the nose and FoamTac with thin CA to make it sealed.

@BashTillBroken 7 месяцев назад

It’s so big… yay another jet that’s I’m going to buy instead of a better vehicle

@afbenaza Год назад

Whats your opinion on installing twin 80mm edfs and separate batteries into this airframe? can the wing handle the additional weight? im used to flying the twin 70 Su35. just feel like the size of this Su27 begs for more thrust.

@TwoBrosRC Год назад

That's just going to add more weight and make the airframe perform poorly by stalling easier and recovering worse. We don't recommend it.

@ryanlentell1307 Год назад

Just finished building my freewing jas39. Finished all the mixing. Any suggestions before I fly it?

@TwoBrosRC Год назад

We suggest you have fun and enjoy it! Hold the nose up on approach and use throttle to control your sink rate. Otherwise, that's about it really.

@leviathan351cleveland3 Год назад

Oh, nevermind, you did......thanks for your flying, that's the way I fly also.

@notoo7 Год назад

Excellent flying. Not sure I am willing to try that on my SU30. Might have to buy a SU27 😂

@TwoBrosRC Год назад

It's worth it! Just add the 4oz of weight in the nose and it'll balance well.

@mach9908 Год назад

Just upgrade the edfs, and you'll turn su30 to su27 lol. I actually like the su30 paint scheme much more.

@EDF_FANatic Год назад

Did you swap out the xt90 on the esc to an ec5? Or was it not necessary for you ?

@TwoBrosRC Год назад

It came with an EC5.

@throttlehappy105 Год назад

Do you think this is the identical airframe as the eflite su-30? Just a different scheme.. I wonder if parts are interchangeable

@TwoBrosRC Год назад

The airframes and servos are identical. The only difference is the motors used and the ESCs. The FMS version uses more powerful ESCs and motors.

@nirlachman007 Год назад

Hey Jon! Can you please share more info about the battery mod? What had to be done to make it work?

@TwoBrosRC Год назад

Check the link to RC Groups in the description - it goes directly to our post on it, and the RCG thread has more info from other people who have performed it as well.

@nirlachman007 Год назад

@@TwoBrosRC thanks man!

@nirlachman007 Год назад

@@TwoBrosRC BTW, I’ve got the E-Flite SU-30 and the Freewing SU-35, you’ll love the FW one! It’s just so much fun! You’ll love the Thrust Vectors :)

@TwoBrosRC Год назад

@@nirlachman007 The Su-35 is discontinued so that isn't really an option anymore, unfortunately.

@georged.1439 Год назад

Hi, its so interesting and cool what u re doing with this Suchoi 27! I ve just bought now the same. My CG is now by 185mm with SMC 4400hv in the Nose...do you think this Battery will manage this Jet?Greetings

@TwoBrosRC Год назад

This jet won't fly long on a 4400. We'd recommend the 5300 minimum.

@aliffiehelmy7886 Год назад

What a beautiful bird❤

@justbigjets7633 11 месяцев назад

Hi , ace video again! Just got this and its a nightmare off grass! Using 4500 and 5000 but its a killer to take off. Where is your cg set? Mine Seems to fly some how nose heavy?? Some advise would be great!!!!

@TwoBrosRC 11 месяцев назад

Like most jets, this jet isn't designed for grass. The CG should be demoed in the beginning of the vid. If you want it to rotate easier off grass, you'll need to consider following the battery mod info in the description.

@justbigjets7633 11 месяцев назад

@@TwoBrosRC cheers for getting back to me. Pushing the battery further back will make it tail heavy? Especially keeping the weight in the tail. Would this be enough? I know you moved battery but you removed tail weight and then put nose weight in? Does this not just put the centre off mass in the middle but keep cg similar?? Cheers for your help 👍

@TwoBrosRC 11 месяцев назад

@@justbigjets7633 All of this info should be in the vid - be sure to give it another go!

@redbeardreviewsrc Год назад

Hey y'all, great work with the channel lately! Wondering if y'all would share how you are able to get your reels on youtube! Your short thumbnails are great and the POOPY fact that youtube shorts refuses to fix thumbnails is killin my channel! I would be grateful if you could breakdown how you are pullin off reels thumbnails on this site. Thank you and keep up the good work!

@TwoBrosRC Год назад

We make Reels in Instagram, download them via mobile, then use the thumbnail selection in the mobile YT app to choose what thumbnail we're interested in. It's pretty easy overall.

@redbeardreviewsrc Год назад

@@TwoBrosRC Much appreciated! I'll give it a try!

@RC4ever 11 месяцев назад

1:30 - You see it now! :D

@TwoBrosRC 11 месяцев назад

Indeed!

@SM-yr9kb Год назад

No Carbon fiber rods for reinforcement in the fuselage???

@TwoBrosRC Год назад

It was reinforced with spare rods we had left over from other models.

@jmoii8605 Год назад

What's your gyro setting with this setup

@TwoBrosRC Год назад

2x gain, 18 roll, 55 pitch, 10 yaw. It's on relative gains that are controlled by the throttle setting using a curved mix. More throttle reduces gain, less throttle increases it. When flaps are dropped, it produces the most effect around 25% throttle to stabilize the jet during landing.

@tonyyimbo 6 месяцев назад

@@TwoBrosRCdoes the 27 have flaps? And is it possible to have a functional air brake with the battery mod ?

@SM-yr9kb 4 месяца назад

No carbon rob in the front of the fuselage? That woukd helped

@TwoBrosRC 4 месяца назад

It had two.

@SM-yr9kb 4 месяца назад

@@TwoBrosRC yes two carbon rods but the nose just break at the end of it. Could be a bit longer

@markmcc21 Год назад

That's a great repair job considering the pieces it was in. Couldn't tell until it was zoomed in and even then it still looks fine.

@TwoBrosRC Год назад

It needed a lot of work but it was worth it.

@blakemilton6566 Год назад

Try a freewing su35 I think you’ll like it

@TwoBrosRC Год назад

It's discontinued.

@blakemilton6566 Год назад

@@TwoBrosRC really when? That was one of their best selling jets from what I’ve heard

@TwoBrosRC Год назад

A few months ago - it's been discontinued for a bit now.

@blakemilton6566 Год назад

@@TwoBrosRC that’s unfortunate, find a used one somewhere it’s probably the most agile edf ever made I think you’ll love it

@ruger1420 Год назад

you got some mad skills

@EmilyJoesph 2 месяца назад

OK miracle videos

@leviathan351cleveland3 Год назад

Did you take the giant weight out of the tail?

@TwoBrosRC Год назад

Yep!

@paulrkytek6587 Год назад

2200mah 6s in front, 2200 6s in air brake compartment may help get rid of the nose weight ( see my comments on your first video a couple of months ago ). Glad to see you are enjoying flying it now. Maybe 2 number 80amp escs will keep you well in the 68amp max of each 3060 1900kv moor.

@TwoBrosRC Год назад

That wouldn't be enough power to fly as long. Interesting idea though.

@IceMan2035 Год назад

Does it have a vector control on or can you put it on?

@TwoBrosRC Год назад

Nope, but it could have vectored thrust if you were willing to put in a lot of effort.

@IceMan2035 Год назад

Yeah, I like the vector thurst for tricks it's just so cool to just flip it around or do flat spins with a lot more ease. I've been waiting on that SU27 and J11 pack to come back into stock as FMS bc that's a killer deal.

@hughwiedman9711 Год назад

Outstanding video and modifications! I heard you say it's balanced around 160. I have an SU-30 I got early on and it was the most frustrating EDF I had. Then I upgraded the fans to the FMS fans and did a dual battery mod. Now flying it at 160mm and get almost 6:00 on 2 SMC HiV 4400 or over 8:00 with 2 HiV 5300's. Haven't tried a cobra yet but will now after seeing yours. Now it's a favorite, right behind the Mig 29 with TV. Cobras & flat spins easy with that one. A short video on the SU showing my mods: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-F7nD15yAQNw.html Love learning from your videos, keep 'em coming!! 👍

@TwoBrosRC Год назад

Thanks! It may be difficult for you to perform a cobra with two batteries. The extra wing loading and AUW will make it more difficult for it to fly like this, especially if your stabilator servos are stock - ours are tinyurl.com/B13DLM and have significantly more torque and throw, along with a nearly tail heavy CG and a lightweight airframe.

@hughwiedman9711 Год назад

@@TwoBrosRC Thanks so much for taking the time to respond and for giving me you very welcomed advice. Although I have already upgraded the elevator servos and achieved a tail heavy balance, I'll take your advice on not performing cobras with the extra weight of a 2nd battery and leave those for my Mig with TV. Still, the mods I did definitely take this from a 3 to at least an 8. To bad HH took a great airframe and rigged it for failure, but that just makes flying it now so much sweeter, mostly due to my refusal to give up on it.😎

@tomheetderks9997 Год назад

Trust me- not laughing AT you all, but "not nice at all buddy" was pretty hilarious, that said I'm glad it was minor damage! Looks like a fun jet to fly 😊

@PhilipAlonzo Год назад

Sweet after burners

@ToastyProductions. Год назад

Didn't watch the first one gotta go back!

@ReLa1zz Год назад

Thats su-30, but so amazing ✊😍

@TwoBrosRC Год назад

FMS calls it a Su-27 so that's what we're calling it. Thanks!

@richardturner6278 2 месяца назад

I doubt its truly tail heavy. Aft cg range maybe but its impossible to fly truly tail heavy. Remember the first flight. That was tail heavy. The estimated range from the factory is approximate at best and often wrong. When they are correct thet are always on the nose heavy side to prevent crashes.

@TwoBrosRC 2 месяца назад

Most fighter jets are set up to be so unstable that flying without a flight computer is impossible. That's how this is.

@richardturner6278 2 месяца назад

@TwoBrosRC I understand that. That's what I do. Point is, it can be flown without the gyro if it's balanced on the center of lift. I realize that's not what you want to do and it does not fly as well. My reasoning is that it can be flown safely if the gyro fails. Again nothing comparable to the real deal. Yes it's impossible to fly any modern jet without the flight computer. I finally got tired of spending all that money on rc and started building an experiment airplane. U should give that a thought with your interests in building and detail. Nothing like building your own airplane. I'm building a Zenith701 for STOL ops on my farm. Carbon cub performance at a fraction of the cost!

@honeysingh4380 Год назад

Hii bro plz sukhi mdel

@honeysingh4380 Год назад

Price bro

@TwoBrosRC Год назад

It's in the description.

@capnhardway Год назад

I'll just say beautiful plane but Way out of the regular flyer that watches you tube. We have limited funds and resources. Nice plane, I can never afford.

@TwoBrosRC Год назад

Sorry to hear that! Hopefully you'll get to experience this jet at some point.