New battery tech - 4 times the flight time!

Just saw this....lets hope it's true!

http://phys.org/news/2013-06-all-solid-sulfur-based-battery-outperforms-lithium-ion.html

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One motor slows more quickly than the others - damaged?

Hi,

After a slightly lopsided landing with my quad which resulted in the blades hitting the ground I've noticed that when I turn off the throttle one of the motors stops spinning much more quickly than the other three. Also when turning the motor by h

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Power Distribution Question

Hi,

Could someone answer the following questions I have about how some bits work.

1) If the control connection/BEC wire from each of the ESCs needs to plug into the flight controller/autopilot in order to control motor RPMs, how would I get power to th

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First UAV aircraft

Hi All,

I'd like to put together my first UAV and would like to know your opinions on a good airframe to start with. Stability (for a camera), strength, payload and slow speed flight are the features I am looking for - it doesn't need to double up as

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