Sukhoi Su-37 Super Flanker Park Jet - Page 51 - RC Groups
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Jan 14, 2008, 08:58 PM
cmala's Avatar
Originally Posted by DownUnderPilot
Craig, you can't run two brushless motors on one ESC. They have trouble running in sync...

I also have a DX6 so would be interested to know what you use to get the TV working on it.

Ok, so instead of two motors and one ESC, I just move the Y-adaptor back a little farther and run two motors, two ESC's, Y-them together so as to only take up one channel.

Now with 6-channels and 2-mixes, I have pitch TV. If I had another two mixes, I could do roll TV as well.

The DX6 has only 3 mixes and the new DX6i has 2 mixes. If I could get 4 mixes, I could do everything but yaw TV but since I'm going to tie the two ESC's together on one channel anyway, no biggie.

That would work......wouldn't it?
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Jan 14, 2008, 10:34 PM
Life begins at transition

Yup, it works wonderfully - that's the exact setup I have in mine. Although the TV does make for some bizaar aero's, I leave it off most of the time. This aircraft is *very* pitch sensitive, so it doesn't take much to get some huge alpha going. The TV I use for very slow (ie walking pace) or tumbling. Never on at high speed (>20mph) as I think it'd rip the thing apart, even though it's got a carbon tube AND glassed wings! I'd love to have a g-meter on it...

Jan 14, 2008, 11:21 PM
cmala's Avatar
Excellent! Thanks Odysis

Looks like I'll be going gigahertz pretty soon. I guess I can keep my FM at least until I can stockpile some Spektrum receivers. I only have 4 FM receivers flying right now.

I got the TV servos installed tonight and got the 4 nacelle sides mounted on the wing, started on the vertical stabilizers.

Does anyone have any pictures they can show of how the vertical stabilizers are shaped with the side rails? I'm not really clear on how these should be shaped. The pictures in the construction guide don't match the finished model and I just don't know what it's supposed to look like.

Jan 14, 2008, 11:31 PM
Life begins at transition
I can't take a photo right now, my camera's batteries are on charge (guess who left it on over the weekend?), but has some excellect photos of an extremely detailed model. Yup, it's not a -37, but most of the airframe's the same... Sorry I can't be of more help.

Jan 15, 2008, 12:20 AM
I've half a mind...
docrob's Avatar
Craig, I'm not too sure about which pictures you're looking for. When Steve and I were doing our simultaneous beta build, I documented my build pretty comprehensively on my website. You can find my build log here.

I hope you find what you're looking for.

Jan 15, 2008, 07:37 AM
Fidler & twidler
empeabee's Avatar
Re mixers.
There are several onboard electronic mixers available - GWS do a simple aleron/elevator mixer, but some are highly programmable - maybe someone will chip in with URLs ?
Jan 15, 2008, 08:13 PM
Registered User
Greetings everyone. I've been shadowing this thread since the since it was first started and FINALLY the Vermont weather gave me a chance to test fly my Flanker. This is a single motor version with no thrust vectoring but its still plenty maneuverable and fast. Maybe now the weather will let up enough for me to test fly my OTHER project. Thanks!

Jan 15, 2008, 08:59 PM
Registered User
Very nice SU-37 and Coast Guard chopper. May they both have long lives in your hangar and give you enjoyment flying them.

Jan 15, 2008, 09:34 PM
Team EJF >>>WHOOSH>>>
AceMigKiller's Avatar
Rallyman--- Sweet Terminator!!
Makes me want to pull mine back out and finish it up!
Jan 15, 2008, 10:22 PM
cmala's Avatar
Thanks Odysis and Doc, those helped. I'm glueing the fuselage on now. What a pain. Depron does bend with heat better than BlueCor but I snapped one of the fuselage sides in half. Glued it back biggie. The look on my wife's face was priceless though.
Jan 16, 2008, 02:10 AM
Park Jet Guru
jetset44's Avatar
NICE looking model, Rick! Thanks for the pics.
Jan 16, 2008, 03:56 AM
Registered User
Nadim's Avatar
Nice job Rick I especially like that paint scheme You did a fantastic job.
Is that a 100% sized Terminator?
Jan 18, 2008, 07:18 AM
Registered User
Nadim's Avatar
I took my Su-37 out for flying today, its been about 2 months since I flown her. I had changed to another motor mount yesterday. It didnt turn out so good the motor mount was pointing a bit to the left. The plane wanted to yaw to the left all the time. I didnt think it would be so noticeable in the air but I was wrong! The plane was totally uncontrollable at 50% throttle and up. I had a bit of luck at the first launch, as soon as I recognized that something was wrong I just reduced the throttle to 0% and took here straight down. Second launch, she climbed about 50 ft, I tried to turn her around but it was totally impossible and she was heading toward some houses. I had to take her down fast, and so I did, but she landed hard. She broke of about 10 back from the nose tip. I decided not to repair her. Im going to build myself a new one as soon as Ill have some time.

I have had about 110 flights on her since I finished her in July last year.
Jan 18, 2008, 09:51 AM
cmala's Avatar
That stinks Nadim. At least it is repairable if you decide to.

Anyone have any comments on motor selection? I was thinking about the 2212-06 from Grayson. I have one of those on my F18 and it has lots of power. I would be using 2 of them on this plane and $40 for motor and ESC is much better than the LSPJ.

The only thing is that the one on my F-18 draws about 23 amps.

Jan 18, 2008, 10:00 AM
(TechDad) Bob Templeton
T3chDad's Avatar
Wow...with two of those it's going to be one heck of a rocket. You'll probably need two batteries (one for each). My 27oz SU-27 had almost unlimited vertical and Doppler passes at 90ish MPH with one of those motors. Like I told you at the field yesterday, check out they have great combo deals too. Also, You may want to look at the 2208-12, you should be able to comfortably run two of those on one 2100 20C-range battery. That's what I am considering for a TV version of my X-41.
Latest blog entry: I've been flying!

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