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Home > Articles & Tips Index > Engines and Motors

This section of the site contains articles contributed by our members and anyone else we can cajole into contributing!  If you have an idea that you think others might benefit from, please click here to email webmaster "at" charlesriverrc.org.

Electric Power Systems

SAFT 3000 Initial Test Results - a writeup by Doug Ingraham on results of testing the new SAFT 3000 mah batteries

Engine Design Notes and Upgrades

Notes on the DA150 Crankshaft - a review of the construction of the DA150 crank, with recent modifications

More HP for your 6.4 - an easy upgrade with a real kick

Weedwacker Engine Conversions

Thought about Giant Scale, but not interested in spending several hundred dollars for a motor?  Here are two pages put together by Marty Hammersmith [baleco "at" worldnet.att.net] about converting Ryobi weedwackers to competent 31cc airplane engines for a fraction of the cost of "the majors".

Conversion of a Ryobi 31cc 2 stroke weed wacker engine using the Paragon Aero conversion kit (with engine tech specs)

Photo-by-photo conversion of a Ryobi 31cc Model 725 (for use in a 1/3 scale Nosen biplane)

Click here for a link to the Paragon Aero site with info on their Ryobi weedwacker conversion kit

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