PaulJ Posted June 22, 2016 Share Posted June 22, 2016 Tyro mk2. However my belief is that the fan will always trump free air. Cheers Link to comment Share on other sites More sharing options...
The Baron Posted June 23, 2016 Author Share Posted June 23, 2016 Tyro mk2. However my belief is that the fan will always trump free air. Cheers Thanks Paul, cheers Baron Link to comment Share on other sites More sharing options...
pgpete Posted July 6, 2016 Share Posted July 6, 2016 Free air cowl isn't as good as fan cooling, but that doesnt mean its useless - hundreds ( thousands ? ) of hours have been done on Thrusters with free air cowls without incident - you just have to manage the motor a bit more. ie Overheating on slow taxi and shock cooling on descent. the worst thing about those old 503's is not the cooling, but the non-electronic ignition. The points are hard to set and dont stay within spec for long - especially in dusty conditions. Oh and tail-up-taxi solves the overheating problem on the ground. This was acceptable practice in the bad ol' days - probably would be frowned upon these days. Link to comment Share on other sites More sharing options...
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