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P.S. Each airframe has a "natural speed" at which it will move through the air with economical power. To go past this speed, the power curve gets steep and a LOT more power and fuel consumption is needed for only a little gain. I remember when a fellow butchered a Coupe to put a 135 hp engine on it and only got a bit more speed. He said it climbed like a banshee, though. I **think** that the Ercoupe and Forney models with the older style canopy, hit the max of their "natural" speed around 108-112. The Alons, with their more aerodynamic canopy, seem to hit their "natural" speed limit closer to 115. I can't show numbers to justify these thoughts. The result of this is that if you try to cruise your O-200 powered Ercoupe faster than about 110, you'll suck down the fuel without much gain in speed. But you'll climb pretty well (though not quite like a banshee :) ). Ed Burkhead http://edburkhead.com/ [EMAIL PROTECTED] -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Monday, January 27, 2003 8:50 AM To: [email protected] Subject: Re: [COUPERS-TECH] 0200 conversion ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- Greg, I agree with you that cruising up high can add range when there is a strong wind. But for normal every day flying around, I dont find the O-200 to be very efficiant. I am hardpressed to get mine below 7.5 gal/hr. I have the marvel carb too. Scott N94428 ========================================================================== == == To leave this forum go to: http://ercoupers.com/lists.htm ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm
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