Mailing List flyrotary@lancaironline.net Message #54549
From: Ed Anderson <eanderson@carolina.rr.com>
Subject: Re: [FlyRotary] Re: 16X Torque and Fuel Economy
Date: Mon, 18 Apr 2011 07:45:07 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
One reason I never put a turbo on my Rv-6A is that I never (very seldom) fly high and fast enough to even use all of my N/A power much less need additional power.  However, one spot where you can never have too much power (in my opinion) is heavy weight take offs on high altitude density days and short runways with trees at the end - and if I can get 20-40 more HP while losing 20-40 lbs in engine weight from the 16X - I'LL TAKE IT!
 
Ed
 

Sent: Sunday, April 17, 2011 10:18 PM
Subject: [FlyRotary] Re: 16X Torque and Fuel Economy

On 04/16/2011 06:37 AM, Ed Anderson wrote:
Well, not necessarily, Bill - if you improve the BSFC by improving the combustion process through various means (direct injection, different combustion chamber geometry, etc) you can theoretically get more HP with less fuel used - NOT that we are likely to see that.  But, I would agree that for all practical purposes, if you want twice the HP, you had better plan on twice the fuel burn.
 
Ed
 

That's not a bad equation, as a first estimation; but, isn't improving BSFC the point in the reshaped combustion chamber and direct injection?

Just because you have an extra 100Hp doesn't mean you have to use it. 

ok...I agree....that last statement was a little ridiculous.  I mean, we are "hairy chested" and all. 
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