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Regarding the recent question about information on Hartzell  props, I'm not
sure if the HC-C2YK-1BF is the scimitar prop that I have on my 4-P, so
please excuse this response if I'm not even on the right subject, but I did
research that prop a little bit and even communicated with Hartzell about
it. What caught my interest is that the prop is not suppose to be operated
below 2500 RPMs when the MP is above 30".  I went to the Hartzell website
and they were kind enough to explain the rationale is that a harmonic is set
up along the prop blades secondary to the pulsations set up by the pistons
firing that can cause stress and fatigue to the blades. Other than that I
would refer you to the manual that comes with the propeller.  If you have a
specific question please email me and I will look it up for you (the manual
is in the hangar at the moment).  John Wright 4-P

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Please send your photos and drawings to marvkaye@olsusa.com.
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