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ed
dyno reading of 580hp with 10 lbs boost and 386 ft/lb torque at 5500 rpm.
not sold yet. and may fly yet.
paul brannon N117ES
--- On Fri, 1/23/09, Ed Anderson <eanderson@carolina.rr.com> wrote:
> From: Ed Anderson <eanderson@carolina.rr.com>
> Subject: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B numbers
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Date: Friday, January 23, 2009, 3:10 PM
> Should be a fire belching dragon of an engine at over 15psi,
> Greg.
>
>
>
> 15 Psi boost would be roughly 60" Hg of boost which
> at an A/F ratio of 12
> (assume you would run it a bit rich at those boost levels)
> would give at
> 6000 rpm approx 550 HP burning 51 gph (more power at high
> rpm and boost
> naturally) and producing a total of 25000 BTU/Min of heat
> to be dumped
> through the radiator and oil cooler. Boy, you will produce
> more heat energy
> that gets dumped through your oil cooler (8484 BTU/Min)
> than my total
> (coolant and oil heat) entire engine puts out. Hope you
> have big radiators
> and oil cooler {:>).
>
>
>
> A couple of guys in South Carolina had a turbo 3 rotor that
> they stated
> produced over 500 HP on the dyno. It flew, but
> unfortunately only one
> flight, before one of the partners decided they were not
> true experimenters
> and they decided to sell the project. It was really a nice
> looking set up
> on a Lancair ES.
>
>
>
> Ed
>
>
>
> Ed Anderson
>
> Rv-6A N494BW Rotary Powered
>
> Matthews, NC
>
> eanderson@carolina.rr.com
>
> <http://www.andersonee.com>
> http://www.andersonee.com
>
> <http://www.dmack.net/mazda/index.html>
> http://www.dmack.net/mazda/index.html
>
> http://www.flyrotary.com/
>
> <http://members.cox.net/rogersda/rotary/configs.htm>
> http://members.cox.net/rogersda/rotary/configs.htm#N494BW
>
> <http://www.dmack.net/mazda/index.html>
>
> _____
>
> From: Rotary motors in aircraft
> [mailto:flyrotary@lancaironline.net] On
> Behalf Of Greg Ward
> Sent: Friday, January 23, 2009 10:53 AM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B
> numbers
>
>
>
> Hey Ed;
>
> We are running a 4088 Garrett hair dryer, starting at about
> 15# of boost,
> and are extensively flow testing both the exhaust and
> induction for best
> efficiency/output. That's why the pictures, show
> everything a little bit
> different from what everyone else has done. Trying for
> optimum runner
> length, as little back pressure as possible, early heat
> removal, etc.
> Haven't got any real numbers down yet, until we
> (finally) get on the dyno
> but based on what a stock 360hp Cosmo gets for mileage, and
> going from
> there, we are convinced that fuel flows should be pretty
> good. That's why
> they call it "experimental".....(:-)
>
> Greg
>
> ----- Original Message -----
>
> From: Ed <mailto:eanderson@carolina.rr.com> Anderson
>
>
> To: Rotary <mailto:flyrotary@lancaironline.net>
> motors in aircraft
>
> Sent: Friday, January 23, 2009 5:42 AM
>
> Subject: [FlyRotary] HP was : Mark's BBQ Run / 20B
> numbers
>
>
>
> Hi Greg, well, if the fuel burn figure reported was correct
> - then the HP
> figures I calculated are in the ball park.
>
>
>
> We know the 3 rotor is capable of producing considerably
> more power at sea
> level (per Al's dyno run with his 3 rotor) with the
> higher air density.
> However, at altitude the upper limit would naturally be
> less due to the less
> dense air to support combustion, unless you are running
> some sort of forced
> induction as in a turbo, supercharger or perhaps nitrous
> oxide chemical
> enhancement.
>
>
>
> But if the fuel burn was 15 gph, then it does not matter
> whether it was a 2
> rotor, 3 rotor or 1 rotor (a 1 rotor would really have to
> be screaming to
> burn at that rate {:>)), the approx HP equation is:
>
>
>
> HP = (Gallon/Hour) *( 6 lb gasoline/gallon ) /BSFC =
> 15*6/0.55 = 90/0.55 =
> 163 HP.
>
>
>
> Now if you choose a different BSFC such as 0.49 then you
> get a better
> conversion. But, I tend to be conservative in my
> estimates.
>
>
>
> Best Regards
>
>
>
> Ed
>
>
>
> Ed Anderson
>
> Rv-6A N494BW Rotary Powered
>
> Matthews, NC
>
> eanderson@carolina.rr.com
>
> <http://www.andersonee.com>
> http://www.andersonee.com
>
> <http://www.dmack.net/mazda/index.html>
> http://www.dmack.net/mazda/index.html
>
> http://www.flyrotary.com/
>
> <http://members.cox.net/rogersda/rotary/configs.htm>
> http://members.cox.net/rogersda/rotary/configs.htm#N494BW
>
> <http://www.dmack.net/mazda/index.html>
>
>
> _____
>
>
> From: Rotary motors in aircraft
> [mailto:flyrotary@lancaironline.net] On
> Behalf Of Greg Ward
> Sent: Friday, January 23, 2009 12:20 AM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: Mark's BBQ Run / 20B numbers
>
>
>
> Agree to that. Our projections on the turbo 20B are much
> higher than that.
>
> Greg
>
> ----- Original Message -----
>
> From: Al Gietzen <mailto:ALVentures@cox.net>
>
> To: Rotary <mailto:flyrotary@lancaironline.net>
> 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.andersonee.com
>
> <http://www.dmack.net/mazda/index.html>
> http://www.dmack.net/mazda/index.html
>
> http://www.flyrotary.com/
>
> <http://members.cox.net/rogersda/rotary/configs.htm>
> http://members.cox.net/rogersda/rotary/configs.htm#N494BW
>
> <http://www.dmack.net/mazda/index.html>
>
>
> _____
>
>
> 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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