Joined May 2006
Zagi XS Pro Kit -- I Need Help Pushing The Limits
Ok, here’s the current power setup:
Zagi XS Pro Kit 48” (chopped down to 40”)
Mega 16/15/3 w/ Heat Sink
E-Flite 40 amp ESC w/ BEC
Kokam 3s1p 2000 mAh 15c LiPo (+1 spare)
5.25 X 4.75 APC Prop
Flying Weight: 25 oz
Current Draw: ~30 amps
Top Speed: 80-90 MPH
It takes too much time to build up that speed and the vertical climb rate is poor. So basically, I want more power.
Now I've talked to several guys at the local hobby shop and they all say different things. One said I'm using the wrong prop but I've metered a dozen different props (including the one he suggested - APC 5x5) and the 5.25 X 4.75 gets me the most bang without exceeding the 30 amp limit that the motor and battery have. Another guy said that I need to buy the Mega 16/25/3 motor w/ 7x7 APC prop, which I'm sure would throw off the cg on my zagi but no big deal if it would do the trick. And yet another guy recommended that I toss the E-Flite 40 amp ESC and get the Phoenix 45 or 60, then run my two lipos in series making a 6s1p 2000 mAh 15c LiPo. But I'm not sure if that would blow up my zagi or not. Sounds a bit hot.
Has anyone tried any of these suggestions or can you think of other ways to get this baby doing unlimitted vertical?
Any help would be greatly appreciated.
Last edited by Plat3au; Feb 16, 2007 at 12:41 PM.
Maybe try something along these lines?
If using the CC45 at 5S or the CC60 at 6S, you have to de-rate the controller by 20%.
Last edited by Challenger 413; Feb 14, 2007 at 03:22 PM. Reason: added info
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