What is the lowest voltage you can fly on?

Thanks in advance

Neil

For a 4-cell reciever pack, at 4.8 volts, you're essentially "out of electrons" and you continue at your risk. For ni-cads and nimh, 1.2 volts per cell is the basement.


Edit grammar, duh.

I usually through my receiver packs on the charger at about 5.0 volts. 4.8 is the very least in my opinion.
Dennis-

Usually, no less than 4.8v on a 4 cell pack.


3D-kid330

IF you could depend on it having power... the RX and servos will function at 3.85 V (at that point you have about 4 seconds left... and it will read ZERO.)

The minimum I consider safe to take-off is 4.9 v with a 4 cell NiCd RX pack. It will probably read 4.7 when you land from a 10 min flight of an typical .40 size trainer. (that's pushing as far as you want to push it.)
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Remember this bit of trivia:

You take a dead flat 4-cell pack and put it on the Wall-Wart ( C/10... or appx 12 to 14 hrs for full charge from dad flat...) for 1 hour. What will the pack read immediately on being pulled off charge?

5.5 volts.[X(] And it can read that with a loaded meter for up to 30 seconds.... with as much as 30 min wait after pulling the battery off the charger.

But that battery is still... essentially DEAD FLAT!

The answer 4.8 for a 4 cell pack is correct but this has to the voltage with the pack under load not unloaded.