Mailing List flyrotary@lancaironline.net Message #59518
From: Steven W. Boese <SBoese@uwyo.edu>
Subject: RE: [FlyRotary] Do you believe these charts?
Date: Sat, 2 Feb 2013 23:38:41 +0000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
 Message Header

Undecoded Message

Bill,

 

The attached plot is from my engine stand with a turbocharged Renesis essentially normalized to sea level (DA was 7400 ft).  The prop limited the RPM to 5600 but extrapolating to 62-6300 RPM would make 200 HP seem possible.

 

Steve Boese

RV6A, 1986 13B NA, RD1A, EC2
From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of Bill Bradburry [bbradburry@bellsouth.net]
Sent: Saturday, February 02, 2013 2:53 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Do you believe these charts?

I came across these power, torque, and fuel consumption charts from Mistral on the VAF.  I have come to the conclusion that I don’t believe a word of it.  Does anyone have any performance data that they would like to share that seems to make these charts seem remotely possible?

They are claiming 200 HP at about 62-6300 rpm with a NA engine.

I am thinking BS and apple butter.  The apple butter is to make the BS tastier!   :>)

 

I want to be wrong about this so I hope to get put in my place, but I aint holding my breath!

 

 

http://img382.imageshack.us/img382/4978/powerandfuelconsumptionen7.jpg

 

 

http://img241.imageshack.us/img241/9444/powerandtorquefo7.jpg

 

 

B2

Subscribe (FEED) Subscribe (DIGEST) Subscribe (INDEX) Unsubscribe Mail to Listmaster