Hello All;

I have been flying R/C Airplanes and Helicopters since 1979. I took a brief hiatus (>10 years) from the hobby, but a trip to my local flying site last week opened my eyes to several unexpected changes! Namely electrics!

What I saw impressed the heck out of me. I saw a helicopter the size and weight of my circa 1993 X-Cell 60, powered by an electric motor! WOW! I started doing some reading, and found that there are motor / battery combinations that can power even the largest scale airplanes.

My question to this group is: How do I figure out just what motor / battery / Prop combination I would need to power a given Airplane? For example, I am kinda in love with the Goldberg DECATHLON ARF, as well as the Goldberg YAK 54 ARF. What would I need to power birds like these?

Let me know!

Cheers,
Renwick