Company Policy Manufacturer's Support Useful Links Frequently Asked Questions Discussion Groups Basic Training Our Mailing List Website Changes Photo Album Securely Send Us Another Credit Card Paper Catalog Dealers Shipping Rates Contact Us   Home > Basic Training The following are some useful links we have found. Drive Calculator - Drive Calculator is a tool for DC motor analysis and the computation of the complete power system for electrically powered model aircraft. It comes with a SQL database that contains tables for batteries, ESCs, gear boxes, motors, propellers, and stators. Ohm's Law - Good web page on basic electrical theory. Speed Controller Information - Some information we found on speed controllers. Basics on Batteries from the AMA EZone Beginner's info Servo Torque Calculator - Determines the size servo you need based on various airplane properties. Prices, product specifications, and product availability are subject to change without notice. © Copyright 1998-2008, 2009 BP Hobbies, LLC. All rights reserved.