FRCFOAMIES SU37 MK2

Discussion in 'FRCFoamies Plans' started by Boxermad84, Mar 17, 2013.

  1. jimbosflyin

    jimbosflyin Top Gun

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    I still have mine.:)
     
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  2. Combatevolved

    Combatevolved Ace Pilot

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    After much thought my first score and fold build will be the FRC SU-37. I like the design and feel it offers a good progression in complexity from the Mig 29 without being difficult.
     
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  3. F1wanabe

    F1wanabe Administrator

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    Excellent choice! The mid prop mig is extremely maneuverable which is nice, but the mid prop SU37 takes that maneuverability and refines it! It is much more stable on pitch, has the same roll rate, has lower wing loading and overall feels smoother in transitioning from maneuver to maneuver. We left all the fun in this SU as well, so its super quick in response. For pilots new to the SU it can be too much at first, so we recommend keeping it light, make sure CG is on the mark, keeping throws higher with higher expo on roll. It will be a blast to fly! Looking forward to seeing this, Combatevolved!
     
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  4. Combatevolved

    Combatevolved Ace Pilot

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    Thanks F1,
    The design and looks of the finished plane are amazing. I just need to practice the score and fold procedure so the end result is half descent. The nachelles look about the right size for my 2, 50mm Dr Mad thrust edfs (maybe for a later project).
     
    Last edited: Apr 6, 2018
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  5. F1wanabe

    F1wanabe Administrator

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    The nice thing about score and fold is that mistakes can be sanded away The main advantage of score and fold is that the building is so quick you can build a learner that will be beat up a little and then a second plane for that you apply all your set up knowledge to that can be a keeper. I away recommend placing all the mass around the cg for maximum maneuverability. So, I mount servos in the forward nacelles, esc along side battery so servos, esc motor and battery are a nice cluster around cg. With edf I'd consider up sizing the plan to 105 percent or 110 percent since we kept the wingspan to a minimum on it! Good luck! When will you start to build?

    Sent from my SM-N950U using Tapatalk
     
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  6. Combatevolved

    Combatevolved Ace Pilot

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    On it now. The top cut out is a Mig29 v1.
    Cutting the Su as a single piece.
     

    Attached Files:

    Last edited: Apr 6, 2018
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  7. kjdubuque

    kjdubuque Ace Pilot

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    Be ready to have fun. This plane is awesome!
     
  8. Combatevolved

    Combatevolved Ace Pilot

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    Oh yes mate can't wait. I hope she is better than the Mig 29v1.
     
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  9. It's a nice solid flyer, does what ever you want just with elevons. I did have KF4's on mine
     
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  10. FED50H

    FED50H Administrator

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    No such thing better than a v1. I love the su27....I've just never been able to keep one for any length of time...tend to fly it too hard and low for it to last...everything it can do, you will find yourself doing, lower and lower, and then trying it inverted...until the inevitable...
     
  11. Combatevolved

    Combatevolved Ace Pilot

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    Half way through the build and I'm in awe of the designer Jay for being so clever with this design, Totally Awesome.

    The completed air frame bare is 130g without servos, rx and esc. For a score and fold with a 3d nose thats very impressive.
     
    Last edited: Apr 7, 2018
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  12. Combatevolved

    Combatevolved Ace Pilot

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    She's coming together nicely. 130g bare AF, auw 313g on 2s, 380g auw on 3s and 413g auw with a 4s graphene. Very clever design I still can't believe the talent of the designer.

    Predicting great things from this airframe.

    I'm working on Su37 mk2 profile plane conversion which may rival the Mig 29v1 for spills and thrills be interesing to see. 20180411_230055.jpg 20180411_225826.jpg 20180411_215200.jpg 20180412_084954.jpg
     
    Last edited: Apr 15, 2018
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  13. andy_downs

    andy_downs Ace Pilot

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    you will love this plane,mines at 30 1/2 inch span with just a 2212 6x4 prop on 3s,not super fast but a real flyable plane,a great design,not the best vid (something on the lens) but shes a few years old now and this was filmed only a couple of weeks ago.
     
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  14. Combatevolved

    Combatevolved Ace Pilot

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    Great flying and a beautiful plane you have there Andy. What's the best place for the servos and how did you feed the wire into the electronics bay?
     
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  15. andy_downs

    andy_downs Ace Pilot

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    i cant remember where they were surposed to be but I think theyre in the normal place but hopefully you can get some idea from the photo,s. DSCF1495.JPG DSCF1496.JPG DSCF1497.JPG DSCF1498.JPG
     
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  16. Combatevolved

    Combatevolved Ace Pilot

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    Thanks Andy, thats givrn me a few more ideas. The skid is a great idea to. It looks like you have the full works of control surfaces activated in terms of rubber, ailerons and elevon. Will it be ok with just elevon mixing?

    Cheers Dan.
     
  17. andy_downs

    andy_downs Ace Pilot

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    elevon mixing should be just fine,weight wise it will be really good.
     
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  18. andy_downs

    andy_downs Ace Pilot

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    didn't think I had any footage of my big twin but I found this one,a shade under 35 inch and at 37 oz with out batterys its a big lump,running on 3s (the batteries werent up to the job and used to swell up,still waiting to try it on 4s) but it goes to show what a good design it is,it just flys what ever you throw at it,flying on a cold very windy day with knackered batteries you just cant shoot this plane down and it still surfs the wind.
     
  19. Combatevolved

    Combatevolved Ace Pilot

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    She's so stable and comfortable under power and glides superbly.

    Do you did know the i.d. dimension of the nachelles on the full sized SU37? This is screaming for a 50mm or 64mm twin edf project right at me.
     
  20. Combatevolved

    Combatevolved Ace Pilot

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    My wife offered to paint the SU37 while I was at work yesterday and here is the outcome.:) 20180413_084046.jpg
     
    Last edited: Apr 15, 2018
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