Orma Did you allow for wind and compensate for density altitude in your airspeed comparision. 35" of manifold pressure at 2500 feet and 3100rpm should really have you moving along. Take care you don't get into the high MP/low RPM engine damaging range.
John The Martindale Family 29 Jane Circuit TOORMINA NSW 2452 AUSTRALIA phone: 61 2 66584767 email: johnj...@chc.net.au ............The MP was 35". On the takeoff roll, the engine ran up to 31 and the MP stayed put..................
