I Have a 61" WS biplane powered by a YS140. I want to do a bit of kit bashing on it and change the cowl to a fiberglass one I already have. To use the new cowl, I will need to move the engine 1/2" higher than the thrustline shown on the plans. No changes are being made to any thrust angles, just a pure offset in the mounting of the engine. What effect will I likely see, or is it minor enough not to have any effect. TIA
John Hayes
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