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Date: Thu, 22 Jan 2009 22:36:25 -0700
From: Bob White <bob@bob-white.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Mark's BBQ Run / 20B numbers
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If you're going to make power, you have to burn gas.  265 HP at 15 gph
would be a bsfc of about .34.  That would be pretty amazing. :)

Bob W.


On Thu, 22 Jan 2009 21:19:51 -0800
"Greg Ward" <gregw@onestopdesign.biz> wrote:

> Agree to that. Our projections on the turbo 20B are much higher than that.
> Greg
>   ----- Original Message ----- 
>   From: Al Gietzen 
>   To: Rotary motors in aircraft 
>   Sent: Thursday, January 22, 2009 9:13 PM
>   Subject: [FlyRotary] Re: Mark's BBQ Run / 20B numbers
> 
> 
>   Ed;
> 
> 
> 
>   Seems like your numbers are about 100 hp - or maybe one rotor - too low.
> 
> 
> 
>   Al G
> 
> 
> 
>   -----Original Message-----
>   From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ed Anderson
>   Sent: Thursday, January 22, 2009 8:34 PM
>   To: Rotary motors in aircraft
>   Subject: [FlyRotary] Re: Mark's BBQ Run / 20B numbers
> 
> 
> 
>   Doug, at 15 gph at 6000 rpm, Mark would be making approx 165 HP, perhaps a bit more, using a very conservative  BSFC of 0.55.  If you assume a bit better BSFC of 0.49 it would be around 183 HP.
> 
> 
> 
> 
> 
>   Ed
> 
> 
> 
>   Ed Anderson
> 
>   Rv-6A N494BW Rotary Powered
> 
>   Matthews, NC
> 
>   eanderson@carolina.rr.com
> 
>   http://www.andersonee.com
> 
>   http://www.dmack.net/mazda/index.html
> 
>   http://www.flyrotary.com/
> 
>   http://members.cox.net/rogersda/rotary/configs.htm#N494BW
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> 
>   From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of DLOMHEIM@aol.com
>   Sent: Thursday, January 22, 2009 9:38 PM
>   To: Rotary motors in aircraft
>   Subject: [FlyRotary] Mark's BBQ Run / 20B numbers
> 
> 
> 
>   Mark:
> 
> 
> 
>   Great story...thanks for posting it!  At 6,000 rpm and 15 gph, how many HP do you think you're developing?
> 
> 
> 
>   Also, have you by chance flown side by side with another Lycoming powered ES for comparison purposes?  If so what did you learn?
> 
> 
> 
>   We're going to have a couple of "burger burns" at our airport ((2OK2) just east of Tinker AFB) this Spring / Summer, so maybe you'll feel like going on a short cross country up this way and show our little EAA chapter what a three rotor looks and sounds like?!  
> 
> 
> 
>   Blue Skies
> 
> 
> 
>   Doug
> 
>   RV-9A, 13B
> 
>   Organizing the hanger for Spring FWF and canopy work!
> 
> 
> 
> 
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-- 
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