Mailing List flyrotary@lancaironline.net Message #44910
From: <fpbjr2001@yahoo.com>
Subject: Re: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B numbers
Date: Sat, 24 Jan 2009 15:46:14 -0800 (PST)
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
greg
 all this going in a legacy. you are going to have a real hot rod. like you already know cooling will be the issue. do not be afraid to oversize a little. like i said good job on the motor.

                   paul brannon  N117ES


--- On Sat, 1/24/09, Greg Ward <gregw@onestopdesign.biz> wrote:

> From: Greg Ward <gregw@onestopdesign.biz>
> Subject: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B numbers
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Date: Saturday, January 24, 2009, 2:42 PM
> Hey Paul; Appreciate the info.
> The FIRST consideration was the redrive, and after a lot of
> conversations with Tracy, Craig Catto, and Bob Wirth, we
> came to the conclusion that 450+ hp at take-off was o.k.,
> then pull it back to 55-75% for cruise.  That plywood
> firewall is a little undersized, and we have been fitting as
> we go along.  But at this point, a couple more bubbles one
> way or the other, oh well.  Guaranteed, it ain't going
> to look like a stock Legacy......(:-)
> Greg Ward
> Lancair 20B N178RG in progress
>
> ----- Original Message ----- From:
> <fpbjr2001@yahoo.com>
> To: "Rotary motors in aircraft"
> <flyrotary@lancaironline.net>
> Sent: Saturday, January 24, 2009 11:10 AM
> Subject: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B
> numbers
>
>
> > greg
> >  i do not know what you want but here goes.
> >  the idea with the engine was to have the most hp with
> the least amount of boost so the the turbo would not work
> very much so it will last longer. i feel it will fail first
> in the system. the engine is street ported and the turbo is
> a to4 (.96 cold side) with 3 lb. spring so the engine should
> turbo normalize at 300-330 hp. i have a bypass regulator so
> i can adjust boost pressure up to higher levels. if i get
> this checked out i'm going to add a pop off at 8-10 lbs
> so i can't over boost the system.
> >  i don't know if you have thought but the limiting
> factor is the gearbox. tracy says 300 hp continuous. these
> numbers are Conservative. but i feel we are in territory
> that has not been tested very much.
> > beautiful work on your engine. i have one question.
> are you sure your intake is low enough to clear the cowlng.
> i had to redo the intake 3 times to get it low enough to
> clear my cowling. beautiful work!
> >
> >                 paul brannon    N117ES
> >
> >
> >
> > --- On Fri, 1/23/09, Greg Ward
> <gregw@onestopdesign.biz> wrote:
> >
> >> From: Greg Ward <gregw@onestopdesign.biz>
> >> Subject: [FlyRotary] Re: HP was : Mark's BBQ
> Run / 20B numbers
> >> To: "Rotary motors in aircraft"
> <flyrotary@lancaironline.net>
> >> Date: Friday, January 23, 2009, 8:35 PM
> >> Hi Paul;
> >> I would be real interested in what you've been
> doing,
> >> as it sounds close to
> >> what we are trying to accomplish.  Any info would
> be
> >> appreciated, and as we
> >> finally get on the dyno, we will do the same.
> >> Greg Ward
> >> Lancair 20B in progress
> >>
> >> ----- Original Message ----- From: "Ed
> Anderson"
> >> <eanderson@carolina.rr.com>
> >> To: "Rotary motors in aircraft"
> >> <flyrotary@lancaironline.net>
> >> Sent: Friday, January 23, 2009 2:43 PM
> >> Subject: [FlyRotary] Re: HP was : Mark's BBQ
> Run / 20B
> >> numbers
> >>
> >>
> >> > 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!
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>   _____
> >> >>
> >> >>
> >> >> A Good Credit Score is 700 or Above. See
> >> >>
> >> >
> >>
> <http://pr.atwola.com/promoclk/100000075x1215855013x1201028747/aol?redir=htt
> >> >>
> >> >
> >>
> p://www.freecreditreport.com/pm/default.aspx?sc=668072%26hmpgID=62%26bcd=Dec
> >> >> emailfooterNO62>  yours in just 2 easy
> steps!
> >> >>
> >> >>
> >> >>
> >> >> __________ Information from ESET NOD32
> Antivirus,
> >> version
> >> >> of virus signature
> >> >> database 3267 (20080714) __________
> >> >>
> >> >> The message was checked by ESET NOD32
> Antivirus.
> >> >>
> >> >> http://www.eset.com
> >> >>
> >> >>
> >> >>
> >> >> __________ Information from ESET NOD32
> Antivirus,
> >> version
> >> >> of virus signature
> >> >> database 3267 (20080714) __________
> >> >>
> >> >> The message was checked by ESET NOD32
> Antivirus.
> >> >>
> >> >> http://www.eset.com
> >> >>
> >> >>
> >> >>
> >> >> __________ Information from ESET NOD32
> Antivirus,
> >> version
> >> >> of virus signature
> >> >> database 3267 (20080714) __________
> >> >>
> >> >> The message was checked by ESET NOD32
> Antivirus.
> >> >>
> >> >> http://www.eset.com
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> >> > Homepage:  http://www.flyrotary.com/
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> >> >
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> http://mail.lancaironline.net:81/lists/flyrotary/List.html
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