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Don't let the yahoos psych you out. Years ago, I measured the glide ratio of my Coupe and got decent numbers at the medium speeds. At low airspeeds, it does, indeed, get a pretty good sink rate and low glide ratio. So don't glide at low airspeeds. Keep the speed up to 75-90 and you'll get a decent glide ratio. Though I'd like to tell you the exact ratio, my results were confounded by an erroneous airspeed indicator. My methodology was very careful but didn't include accuracy testing the airspeed indicator first and that's critical to figuring the true ratio though it doesn't matter if all you want to know is what's the best glide speed for YOUR airplane. Allowing for the known airspeed indicator, I'd guess that the true best ratio was close to 10:1 at an airspeed of about 75 mph. [My exact measurements gave 12:1 at 80-85mph but I had about an 18% lower airspeed than was used in the calculations so I'll say about 10:1 at around 75mph.]
