4 mins video tookoff, on c limbout the power sagged, causing an unplanned arrival. stripped the carbs found the tiny OHSHIT spring clip that holds the float needle to the float arms laying (or lying?) in the float bowl. stripped carbs, no other anomally,found. reassembled them flew it this am, it worked fine, 65mph, 1000ft min, 6400rpms. i'm glad i'm better at 'wrenching' than computering, or i' be walking!