Another question about interpretation of the LSA rules: Given that an in-flight adjustable variable pitch prop is not allowed, what about the use of a variable ratio propeller speed reduction unit? I have considerable test data showing that there may be some advantages in using a CVT (constant velocity transmission, like used in a snowmobile), as a speed redution unit between the engine and propeller. These units maintain the engine at a predetermined rpm and the prop speed varies according to the load on it.
Would the FAA balk at the use of a CVT on a light sport aircraft?
Vnce Homer
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