Mailing List flyrotary@lancaironline.net Message #28362
From: Ed Anderson <eanderson@carolina.rr.com>
Subject: Re: [FlyRotary] Static Engine RPM
Date: Sat, 10 Dec 2005 08:11:40 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Kelly,
 
I am getting right at 6000 rpm on static runup.  Perhaps 6150 on a cold day.
My prop is now 74x88, I had 2" taken off the dia (76") of prop bringing the static up from 5800 to 6000 and making it a bit less hairly on take off.  Even now if I go  to WOTat start of take off roll,  I still do not have sufficient rudder authority to hold nose down the runway- takes a touch of the brake as well.  If I feed in the power a bit slower and permit airspeed to get up to around 40 mph then I can shove in full throttle and hold it with rudder along. So the 2.85 and monster prop has certainly increased the take off performance.
 
Ed A 
----- Original Message -----
Sent: Saturday, December 10, 2005 3:07 AM
Subject: [FlyRotary] Static Engine RPM

Tracy, Ed and Rusty,
     I know it has been posted before but I am too lazy to look it up !! What
static rpm are you getting with the 2.85 redrive and your Monster props ??
 
Thanks
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2



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