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  1. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    I built a 2nd Mini Drak. I went light on this...

    I built a 2nd Mini Drak. I went light on this build. Tmotor 2216 900kv. 2 3s 2200's in series, so 6s. 7x6 prop. F405wing FC. Tiny Spedix 35a esc. Crossfire Nano and Tramp 5.8. Pulls a...
  2. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    I love your nose cone for the MD. Thanks for...

    I love your nose cone for the MD. Thanks for posting that up at Thingiverse. Shame if RMRC is using your design without credit.
  3. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    I have/do run that exact motor on a 7x6 Sport...

    I have/do run that exact motor on a 7x6 Sport prop. I am at 4200 feet elevation, take that into account. I think it pulls around 45a on launch, and settles down to around 38 40 after that. Like I...
  4. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    A Cobra 2221/8 1860 works better than the 2814...

    A Cobra 2221/8 1860 works better than the 2814 1700 on 4s. It's lighter, faster, and pulls about the same current. Just watch the temps, as it is a smaller motor.
  5. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    5mm. The 2221/8 1860 works great on a 4s system....

    5mm. The 2221/8 1860 works great on a 4s system. Same speed as the 2814 1700, but less amp draw. It's a smaller motor, so you need to watch the heat on sustained full throttle runs.
  6. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    I am running a 5s set up with a Cobra 2221/10...

    I am running a 5s set up with a Cobra 2221/10 1500kv. 7x6 sport prop. 5s 5000 battery. Will stay in the air at 4-5a. Will go 115mph or so at 30a. It cruises at 70mph at around 10a. You could...
  7. Replies
    324
    Views
    81,107

    What do you lose going to 1.09 firmware?

    What do you lose going to 1.09 firmware?
  8. Replies
    324
    Views
    81,107

    Scott, I am running Xfire and 1258. I have had...

    Scott,
    I am running Xfire and 1258. I have had no real problems out past 3 miles. This is with 300mw vtx and a diy dipole on aircraft. Cpatch and older non digital RMRC vrx. No filters. I do...
  9. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    You would have to go 3s on that motor with an...

    You would have to go 3s on that motor with an 8x6. I have flown the 1700kv motor on an 8x4 prop on 4s. Pulled 60+ amps. 8x6 would pull 80+. If you want an 8x6 on 4s, you should go with a 1250 to...
  10. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    I fly at 4200' and over 90 degrees F. Launched...

    I fly at 4200' and over 90 degrees F. Launched fine on a 4s set up with 7x6 sport prop. Does torque roll a bit, but launching with some sort of leveling seems to take care of it.
  11. Replies
    609
    Views
    67,221

    Here is some footage from an after work flight...

    Here is some footage from an after work flight yesterday. Wind was blowing 15 to 20. Vid is stab'd in post.

    https://www.youtube.com/watch?v=xTBhZIbA7y0
  12. Replies
    609
    Views
    67,221

    Havard posted a vid the other day on Youtube. So...

    Havard posted a vid the other day on Youtube. So he is still alive. Might have been hibernating.
  13. The Mini Drak is molded out of a very dense EPP. ...

    The Mini Drak is molded out of a very dense EPP. It is nothing like the epp you get from china. Most durable foam I have ever seen. Mine has hit the desert floor doing 60mph. It broke the wing...
  14. Recruit is not as durable, but glues back...

    Recruit is not as durable, but glues back together in a flash. I just put packing tape on the leading edge of the wing. Stock stab works to start out. You won't need it if you use a Vector, but a...
  15. I have 3 of the 4 aircraft you have listed above....

    I have 3 of the 4 aircraft you have listed above. I fly the Recruit the most. It is super fun and easy to fly. It will fly for up to 20 minutes on an inexpensive 3s 2200 pack. It will do 60mph...
  16. Replies
    67
    Views
    17,532

    I built one of these, and although it didn't give...

    I built one of these, and although it didn't give me any more range than stock on a QX7, it didn't do any worse. I found a dipole on the rx end did more for extending range than the folded dipole on...
  17. Replies
    20
    Views
    1,447

    My favorite pusher plane: For after work and...

    My favorite pusher plane:
    For after work and easy fun flying, my RMRC Recruit. It's inexpensive, flies great, and takes inexpensive 3s2200 packs and flies for 20 minutes. It will also hold a full...
  18. Check how the wires come out of the plug on the...

    Check how the wires come out of the plug on the vtx's. Usually yellow is video, but you never know. I have seen once camera's video pin is anothers vbat. Not good.
  19. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    Nope. It's actually more about the drag that...

    Nope. It's actually more about the drag that they create that allows for yaw stability. They are not far enough behind the cg to act like a rudder. My MD doesn't really wag unless it's pretty...
  20. Check your wire order. They can be different...

    Check your wire order. They can be different from vtx to vtx.
  21. Thread: VAS Pegasus

    by scotth72
    Replies
    79
    Views
    12,368

    Nice! How does it fly?

    Nice! How does it fly?
  22. Replies
    263
    Views
    62,747

    Looks good. The servo horns holes should line up...

    Looks good. The servo horns holes should line up with the hinge line when the control surface is neutral. It looks like you installed them on the back of the control surface, especially the...
  23. Thread: Mini Drak

    by scotth72
    Replies
    1,608
    Views
    193,999

    I tried a new power system today. Cobra 2221/10...

    I tried a new power system today. Cobra 2221/10 1500kv running a APC 7x6 sport prop. 5s 5000 Turnigy 20c pack. Pulls 40a on launch. 33a doing 108mph. Will cruise at 8a at around 60mph. It's a...
  24. Thread: VAS Pegasus

    by scotth72
    Replies
    79
    Views
    12,368

    Yes, the Cobra prop charts are conservative,...

    Yes, the Cobra prop charts are conservative, unless you are full throttle the entire flight.
  25. Thread: VAS Pegasus

    by scotth72
    Replies
    79
    Views
    12,368

    That motor will handle a 7x6 sport prop on 4s. ...

    That motor will handle a 7x6 sport prop on 4s. Pulls just shy of 50a. That's what I run on my Mini Drak.
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