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Nov 20, 2019, 08:47 AM
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Question

FRC Foamies Mig29


I am building the Mig29. The power system is: 2 x 2306/2700kv motors controlled by two 20A esc's driven by a 3S Lipo. I just saw a well-done YouTube video of someone who did a nice build of the Mig29. When he flew it, however, it clearly looked like it was underpowered. In the video, the pilot wasn't able to get a good flight out of three tries. Is my power system similarly doomed to failure?
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Nov 20, 2019, 10:12 AM
An itch?. Scratch build.
eflightray's Avatar
The FRCfoamies site show --

Motor: 1806 -2300-2700 kv
ESC: 15/20 amp
Battery: 1500 3s / 2200 4S
Prop: 5x4.5/ 6x4"]Motor: 1806 -2300-2700 kv

I think you may find the 4s battery is a big difference.
Nov 20, 2019, 02:37 PM
An itch?. Scratch build.
eflightray's Avatar
Depending on who's 2306 - 2700kv motor, you may/will need a higher rated ESC.

Looking at the - Hobbywing XRotor Race Pro 2306 2700Kv Motor - it pulls around 40A with a 5" prop.

.
Nov 23, 2019, 12:36 PM
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Okay. Thanks.
Dec 02, 2019, 04:36 PM
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f1wanabe's Avatar
Yes, if you look at Jay's vised on the site, the think really comes alive on 4s. But I flew it on 3s when I visited him and it really felt great-plenty for me. I'd say, start with 3s and then upgrade to 4s if necessary. We made sure the motor mount area was strong enough for 4s, I would definitely use fiberglass tape and foam tac (or heavy packing tape) on both sides of the hinge for 4s. With the props on the elevons you don't need too much throw so double taping is fine! Let's see it, btw 😉
Dec 02, 2019, 04:39 PM
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f1wanabe's Avatar
Oh, and BTW, we've got all plans on RCPowers and Frcfoamies 50% off!


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