Mailing List flyrotary@lancaironline.net Message #52940
From: Mark Steitle <msteitle@gmail.com>
Subject: Not enough pitch / Too much pitch
Date: Mon, 15 Nov 2010 15:09:37 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Ed wrote, "7000 rpm static - WoW!  sounds like not enough pitch in the prop to absorb the power - tough situation to be in - NOT!
 
Ed,
 
My initial statement of reaching 7k rpm may have been a meaningless as I have a C/S prop.  So, I could set it to max fine pitch and probably reach 7k rpm with a weed-eater engine.  However, these numbers were with the prop set at 2200, IIRC.  I know there is a discrepancy between the M/T indicator and the EM-2 readout.  Maybe I should loosen the set screw on the M/T controller knob and move it so that the M/T setting = EM-2 RPM / 2.85.  This is assuming that the M/T is the The prop is close to being due for a mandatory overhaul, so I'll have them check it at that time, and re-calibrate the knob. 
 
Mark
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