X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from web50704.mail.re2.yahoo.com ([206.190.38.102] verified) by logan.com (CommuniGate Pro SMTP 5.2.11) with SMTP id 3441045 for flyrotary@lancaironline.net; Fri, 23 Jan 2009 17:30:43 -0500 Received: (qmail 40441 invoked by uid 60001); 23 Jan 2009 22:30:43 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type:Message-ID; b=3GzOu5WsGgf9gES7mTWcZLolMfrS9fYFp1oALrD1GfGqHdBRAuTEJdVihhzaAzpF7wd2uNNrWY5HVhI6SnoD+5SK1PmeFnxSA0rhgVvCE8Y6SOVBvc/9HqAFCZvz2PfpBpWXwYACS1Rj4d08A+m5sOOyqQTjj15wC+2ecDG87W4=; X-YMail-OSG: v7tVKE0VM1m6XFHU_VEyEh5kvQ1DZT4CW2DOF0eN8WYm3K0DrCR6WL_RI1M7rGd5.Ch_CDJ_kZA1ZCZ4TVG5pBo_LLImoLsuHzhlKNPJaxDKFbINOVPVIUFvZ1DkRXGxSN0nbXMsX_.OxEyr_2Kls4gHWNNqVIT7MyOKW6gmJV6l1kbr20OecWz1Hj1Up.pizi_7UFfCfkpc5LyvORG9T8E8GQMVKpeaPtSr Received: from [71.49.179.220] by web50704.mail.re2.yahoo.com via HTTP; Fri, 23 Jan 2009 14:30:42 PST X-Mailer: YahooMailWebService/0.7.260.1 Date: Fri, 23 Jan 2009 14:30:42 -0800 (PST) From: fpbjr2001@yahoo.com Reply-To: fpbjr2001@yahoo.com Subject: Re: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B numbers To: Rotary motors in aircraft In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <63854.39345.qm@web50704.mail.re2.yahoo.com> 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 wrote: > From: Ed Anderson > Subject: [FlyRotary] Re: HP was : Mark's BBQ Run / 20B numbers > To: "Rotary motors in aircraft" > 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.dmack.net/mazda/index.html > > http://www.flyrotary.com/ > > > http://members.cox.net/rogersda/rotary/configs.htm#N494BW > > > > _____ > > 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 Anderson > > > To: Rotary > 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.dmack.net/mazda/index.html > > http://www.flyrotary.com/ > > > http://members.cox.net/rogersda/rotary/configs.htm#N494BW > > > > > _____ > > > 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 > > To: Rotary > 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.dmack.net/mazda/index.html > > http://www.flyrotary.com/ > > > http://members.cox.net/rogersda/rotary/configs.htm#N494BW > > > > > _____ > > > 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 > 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