hmm good idea.
I usually fly in the tennis courts near my home.
About a 450 yards of 10 GA wire for ext cord oughta do it...



Actually if you have it in HH when you connect the battery when it is armed flip the gyro switch back and forth about 10 times stopping in the HH position seems to warm it up some. NO idea why but it works somewhat. Ran across that on a British forum (they should know its always cold over there)