Acceptable play in Ailerons, Rudder and Elevator

I have found it useful to make a gauge for checking control surface play (see picture). So when it comes time to check that, rather than having to look up the values (which I can never remember year to year :-) and marking a ruler, I just grab the gauge and work my way around the airplane. I suspect I'm not the first one to do this.

References: The elevator value came from Ercoupe Service Memorandum 56. The rudder value is used for compliance with recurring AD 57-02-01 and the aileron measurement is specified in Ercoupe Service Memorandum 57 for aircraft which have had the aileron balance weights removed.

Cheers, Bill

Page last modified on June 03, 2009, at 02:33 PM