Actually, if you can get the burn down to .47/hr, that's better than where most a/c engine fliers are willing to go (fears of poorly understood  dangers of burning exhaust valves). Low octane car gas has more energy than avgas, too, as long as it doesn't have alcohol in it.

Charlie


On 7/29/2011 9:21 AM, bktrub@aol.com wrote:

Yes, but if you use mogas at ~ $3.85 a gallon versus avagas at $6+ a gallon, you are saving money. Range is decreased though.

 

Brian Trubee

-----Original Message-----
From: Tracy <rwstracy@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, Jul 29, 2011 7:09 am
Subject: [FlyRotary] Re: Fuel Burn

Hi Sam,
   There has not been any significant dyne testing of the Mazda rotary in 
aircraft configuration (and there are no two alike) so I don't think anyone can 
give you those numbers.  Typical fuel burn at cruise is between 6.5 and 8.5 GPH.   
Everyone uses their own power setting for cruise.

Best info we have on BSFC is around .45 - .47 lb/HP/hr.

Tracy

Sent from my iPad

On Jul 28, 2011, at 4:40 PM, Samuel Treffinger <samuel.treffinger@gmail.com> 
wrote:

> Hey, What kind of fuel burn are you guys getting at say 60% power and 75% 
power??
> thanks,
> Sam

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