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#15
August 12th 05, 03:13 AM
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"Dave S" wrote And after discussing it with the rotary engine gang, the consensus is.. that you pass through this area of "chatter" fairly quickly.. either you are engine driving prop.. or prop driving engine... but from a practical matter you are not loitering in the power/thrust range that is teetering between the two. All very true. You get pressure of the opposite side of the gears from normal, but it would indeed be rare for it to get to the RPM where it is so closely balanced, as to go from one to the other, rapidly. All of this is reason to make the gears tight fitting, with little lash. More lash gives time for the motion to set up with a "head start", providing more force to break things. Broken things = bad. g -- Jim in NC -- Jim in NC 
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