|Jun 29, 2006, 06:32 PM|
Joined Jun 2006
best choice of Lipo Battery -help please
could i please have some recommendations of the best Lipo battery to buy with the following setup:
model: 40inch WS wattage stuka
Operating Voltage 11.1V, 8-22A
size L40.5xW(motor diam)29.2mm
Shaft 3mm (DIA)X11.00mm (L)
Li-po 3 lipo
propellor 11x5.5, 10x5
Continuous current limit 30A
Maximum current limit 40A (within 5 second)
Input voltage from 7.2V to 12V
Suitable for Nicd, NiMH and Lipo batteries
Can be programmed to switch the brake ON / OFF
Number of FET = 15 pieces
High rate PWM 8K
High Current BEC
Self-adjusting throttle range
also what sort of flight times could i expect from the best choice of Lipo?
any advice gratefully recieved.
|Jun 30, 2006, 05:25 AM|
You probably need a 2000-2200 pack. That wil be a good balance beween duration and weight, and won't be overstressed if you keep currents below 20A.
This is a very popular size, and there are some remarkably good packs at this capacity going for very keen prices if you avoid the major brands (too expensive) or the real junk (buy from smaller vendors who have a reputation to lose) Also by keeping current down to less than 10C most packs will perform adequately.
Althought at full throttle on the griund the pack will run out in about 6 minutes, in the air at reduced throttle settings, you are likely to get around 20 minutes unless you induklge in full power dive bombing runs all the tme.
|Jun 30, 2006, 07:35 AM|
Joined Jun 2006
thanks vintage1 that's really helpful.
20mins in the air will be awesome! i'll start looking at 2200 packs, as you say there are some pretty competitive deals out there at the moment, shouldn't stress the bank balance too badly...
|Jul 01, 2006, 03:18 AM|
So if its aerobatics, yes, flight time comes down. If its a trainer, its liklely you will get what I said.
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