FlyingMonkey Posted March 16, 2018 Report Share Posted March 16, 2018 11 hours ago, Ed Cesnalis said: able to achieve ~5,650 RPM at cruise altitude at cruise. I think you mean "cruise altitude at wide open throttle (WOT)" Link to comment Share on other sites More sharing options...
FlyingMonkey Posted March 16, 2018 Report Share Posted March 16, 2018 11 hours ago, WmInce said: I'll bite and take a guess. A prop pitch setting, which results in a wide open throttle engine RPM of 5600-5650, at your routine cruise altitude. I think 5600-5750 is an okay range. I used to have mine set to get 5700rpm or even a hair more WOT at my cruise altitude, and I loved it. I tried to get clever and get a knot or two of speed back and coarsened it up a smidge, to WOT of 5600-5625. It did gain a little cruise speed, but it lost some climb; I probably should have left it alone. I have it at ~5650rpm now and it's a good setting, but 5700+ is great too and give a little better climb. Nobody ever got killed in an airplane because of having too much climb performance... Link to comment Share on other sites More sharing options...
Ed Cesnalis Posted March 16, 2018 Report Share Posted March 16, 2018 2 hours ago, FlyingMonkey said: I think you mean "cruise altitude at wide open throttle (WOT)" Yes I mean that too. '@ cruise altitude @ cruise' means your not only up there but your trailing level, not climbing or descending thru and not maneuvering. Link to comment Share on other sites More sharing options...
WmInce Posted March 16, 2018 Report Share Posted March 16, 2018 2 hours ago, FlyingMonkey said: I think 5600-5750 is an okay range. I used to have mine set to get 5700rpm or even a hair more WOT at my cruise altitude, and I loved it. I tried to get clever and get a knot or two of speed back and coarsened it up a smidge, to WOT of 5600-5625. It did gain a little cruise speed, but it lost some climb; I probably should have left it alone. I have it at ~5650rpm now and it's a good setting, but 5700+ is great too and give a little better climb. Nobody ever got killed in an airplane because of having too much climb performance... Last time I checked, my WOT rpm was at 5700 (3000'msl). I'm okay with that. Link to comment Share on other sites More sharing options...
Ed Cesnalis Posted March 16, 2018 Report Share Posted March 16, 2018 37 minutes ago, WmInce said: Last time I checked, my WOT rpm was at 5700 (3000'msl). I'm okay with that. You have the same pitch as me, just a different mentality or way of saying it. For me its 5,500RPM @WOT (10,500'msl) You have my speeds available to you but they are above 7,500' I don't want them at 3,000' or below because best speed is too noisy and not comfortable for me down there. Near sea level I cruise at 5,200RPM where above 7,500 I cruise at WOT. Link to comment Share on other sites More sharing options...
FlyingMonkey Posted March 16, 2018 Report Share Posted March 16, 2018 I do spend most of my time 3000ft MSL or below, but if I'm traveling and trying to get someplace I like 6500-8500ft. Link to comment Share on other sites More sharing options...
Ed Cesnalis Posted March 16, 2018 Report Share Posted March 16, 2018 30 minutes ago, FlyingMonkey said: I do spend most of my time 3000ft MSL or below, but if I'm traveling and trying to get someplace I like 6500-8500ft. take it from a pilot that has always lived at 8,000' Once you get to the altitude in your quote there is no longer any advantage in flying with a partial throttle. (unless your trying to save gas but you are already leaned out up there) (of if your pitch is too fine to maintain 5,500) Link to comment Share on other sites More sharing options...
WmInce Posted March 16, 2018 Report Share Posted March 16, 2018 1 hour ago, Ed Cesnalis said: Near sea level I cruise at 5,200RPM where above 7,500 I cruise at WOT. At near sea level, 5200 rpm, what is your typical indicated airspeed? Link to comment Share on other sites More sharing options...
Ed Cesnalis Posted March 16, 2018 Report Share Posted March 16, 2018 1 hour ago, WmInce said: At near sea level, 5200 rpm, what is your typical indicated airspeed? At near sea level I'm either approaching or departing, never cruising. Link to comment Share on other sites More sharing options...
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