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Hey now my consumption was fine 2 beers an hour those 2 big horns hanging out the side of my coupe were Michelob bottles and they are sreamlined AND those pants my plane has could be the culprit should I take off my pants ?ANd I exaggerated on my average fuel bern 1 gal on hour is more in line so there SYD (raspberries sound)Anyone gunna ask SYD about the chipper??? come on Dennis 99564 in ILL,IND,KENTUCKY,TENNEESSEE< GEORGIA <and FLA at least some parts of my plane are --- Sydney Cohen <[EMAIL PROTECTED]> wrote: > ----[Please read http://ercoupers.com/disclaimer.htm > before following any advice in this forum.]---- > > > Hi Ed, > I'm sure that our fuel figures are a combination > of a lot of > factors. Actually, Dennis was exaggerating a bit. > I had 4.5 > gallons/hour and he had 6.5. Another Couper flew > with us from Daytona > Beach to Lawrenceville, GA, and his fuel consumption > was a little worse > than Dennis'. Engine efficiency would also be a > factor. > We missed you at the convention. > > Syd > > Ed Burkhead wrote: > > >----[Please read > http://ercoupers.com/disclaimer.htm before following > any advice in this forum.]---- > > > > > > > >Syd, > > > >Those drag elements don't sound like enough to > account for a 47% > >increase in fuel consumption. Overly rich mixture > on his engine (or > >overly lean on yours) or both might account for a > big portion of the > >difference. > > > >4.25 versus 6.25 is a BIG difference. > > > >Ed Burkhead > >http://edburkhead.com/ > >[EMAIL PROTECTED] > > > >-----Original Message----- > >From: Sydney Cohen [mailto:[EMAIL PROTECTED] > >Sent: Thursday, June 26, 2003 9:48 PM > >To: Greg Bullough > >Cc: [EMAIL PROTECTED]; Coupe-List > >Subject: Re: [COUPERS-FLYIN] morning group > > > >Hi Greg, > > Dennis' Coupe has more drag due to two large > venturis as opposed to > >one small one on mine; landing lights on the gear > legs, and I have none; > >a bubble windshield and mine is flat; more antennas > than mine; and no > >nose gear fairing, but I have one. Also, in order > to go the same > >airspeed with the added drag, he would have to be > turning more rpm. I > >believe his tachometer reads low, maybe 100 rpm or > more. Neither of us > >leaned, and he didn't follow directly behind me, so > I don't think he was > >making a lot of power adjustments. I think the > drag is the reason. I > >don't know his empty weight, but remember, I was > carrying a passenger > >and he was not. His carburetor could be set richer > too. No, I don't > >have an EGT, but have had no problems with valves > or oil temps. In > >fact, my oil temps were usually about 10 degrees > less than Dennis'. > > > >Syd > > > >Greg Bullough wrote: > > > > > > > >>At 10:46 PM 6/25/2003 -0500, Sydney Cohen wrote: > >> > >> > >> > >>>We both have D models, both have 85 hp engines, > both have 71 x 48 > >>>props, both ran 2450 rpms, both flew at the same > airspeed (we were > >>>together) and I had a passenger and Dennis > didn't. Explain that one > >>>if you can. I can't. But I'm happy. :-) > >>> > >>> > >>There can be one and only one explanation...Dennis > is running a richer > >>mixture. > >> > >>Probably richer than necessary. That said, 4.25 > gph at cruise is > >>suspiciously towards > >>the lean side of things except at 10,000 feet. Do > you have an EGT? > >> > >>Greg > >> > >> > >> > >> > > > > > > > >========================================================================= ===== > >To leave this forum go to: > http://ercoupers.com/lists.htm > >Search the archives on > http://escribe.com/aviation/coupers/ > > > > > > > > > > > > > > > ========================================================================== ==== > To leave this forum go to: > http://ercoupers.com/lists.htm > Search the archives on > http://escribe.com/aviation/coupers/ > > > __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers/
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