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Old 01-26-2014 | 10:03 AM
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SrTelemaster150
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From: Brasher Falls, NY
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Originally Posted by voodoodb
Thanks sr., at the given specs it looks like the ZDZ will be about 4 mph faster, and 1.5lbs more of thrust. Granted both engines will unload in the air, but don't know to what rpm. Just trying to decide if it's worth an engine swap or not.

How heavy is your airframe & is it steamlined?

How much heavier will the larger engine be? Don't forget the added fuel load for larger, thirstier engine.

Rule of thumb is airframe wieght X 1 1/2 for unlimited vertical.
Last edited by SrTelemaster150; 01-26-2014 at 10:06 AM.
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