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Tricopter Flight time problems

geemannz

Junior Member
#1
Hi
I recently rebuilt my tricopter, which is an aluminium version of David Windestal's Tricopter, with a KK2.1 control board, a 20a Q-brain ESC, a turnigy 2200mah 3s battery, some dt750, 10x4.7 GWS props, and other accesories. I have done some calculations, and i should be getting about 6 mins flight time, but im only getting about 2-2:30 mins off a full battery.

The batteries are old and have had a few cycles, I dont know whether it would affect the flight time though. I have thought about getting new batteries, although i dont know whether i should get the same batteries again, or get higher capacity ones, or get some 4 cell batteries.

Any help would be appreciated as I really would like to get some decent flying done and to hopefully add FPV before not too long.
 

johnmw

propulsion impromptu
#2
since you're planning into fpv, might be good to consider getting a new battery that suits.
you could use it to gauge if the old battery has gone bad as well, by comparing each of the actual/calculated flight time.
similar test if you have other battery packs of your own or borrowed from a friend.
just my 2cts.