This is where all the GEEK stuff is found.

Ohm's Law Calculators:
Calculate Volts, Amps, Ohms & Watts.
Find Brushless Motor KV & KT:
A tool for selecting Brushless Outrunners.
Motors & Props:
A tool for estimating prop thrust
Under Construction
Batteries in Series & Parallel:
How to wire batteries in series and parallel.
Battery Selector:
Comparing the different battery types.