>>The reverse taper of the Zagi ailerons certainly doesn't >>help flutter resistance. Hence, Pat Bowman's Sonic which has elevons that are narrower at the tip. It helps and make more aerodynamic sense. >>I was under the impression that combat models >>didn't have a long life expectancy anyway. A tempting idea but not necessarily true! My primary combat model is over a year old and my big wind combat plane just turned 2 years old. Both are doing fine. Several other BASHers get similar life spans from their planes. >>plan on frequently replacing the servo gears and >>living with the problem. I've only stripped two servo gears in combat ever! TWO! One of which was a piddly little HS-80 gear so I hesitate to even count it! While, the other was in a standard servo. Two gears in 30 BASHes and countless gazillion other trips to the slope. Gears don't have to get broken. Bill Swingle [EMAIL PROTECTED] Pleasanton, CA RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]