2009 16 15 - Flew this morning. Departed Denton to Ironhead. Landed Ironhead. Taxi back to takeoff. Throttle forward, roll started, max rpm only 4000, aborted takeoff roll. Taxi back, hold brake, work throttle, finally get 5780 rpm, release brake, takeoff, fly back to Denton and land.
Cowl comes off and we inspect the throttle working.