|Mar 25, 2012, 07:19 PM|
Joined Sep 2006
Phoenix 10 and MP Jet 22/4
Dear all -
By way of something completely different..
What would be a good setup for a Phoenix 10 turning an MP Jet 22/4-90D? It's a 1300 kV motor, 90 (sic!) turns, 17g. The prop is GWS HD 8040, 2s for about 3A.
I did some trial and error - ended up with PWM of 24, custom timing 1, high power on startup, high response to throttle. The motor hesitates a bit if I go from zero to full throttle - I think it's having trouble turning the prop. No problems without the prop; no problems if I advance the throttle gradually, or the prop is turning already.
The plane is an Alfa Albatros. I chose PH-10 because of low weight and high efficiency (mostly the latter), and also to leave myself some headroom if I go to a bigger motor.
|Mar 27, 2012, 12:04 AM|
USA, CA, Long Beach
Joined Jun 2004
I had a similar setup ... 22/7-45 D with an 8x6 prop with a Phoenix 10. I never measured it, but my calcs indicate about 10 amps static.
I couldnt ever get the thing to start right. I didnt much care though because it only starts once (it windmills when you pull throttle out). I have since transitioned to a MicroDan motor. I asked for a custom wind many years ago aiming for the 1400Kv of the origional. It turns out, the micro dan motor doesnt start very well either.
I would have to admit that it has been so long now that I dont even know what version of the firmware it was. I would say the latest firmware 3 years ago ...
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