Hi Paul,

Good to hear from you.  Thanks for the real figures on your turbo 3 rotor,
couldn't remember them offhand.

I hope the "may fly yet" means it stays in the family?  Or do you simply
have a good home for it?

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



-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of fpbjr2001@yahoo.com
Sent: Friday, January 23, 2009 5:31 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B numbers

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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