I like it, on another thread a while ago Jeremy said something about it and I have put it to use on my last few flights. Just another tool in the tool box!!
Thanks Jeremy keepem' comeing.
-7* Flap setting on cruse Desent
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-7* Flap setting on cruse Desent
Wup Winn
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Joseph Or, 97846
info@backcountryconnection.com
wup@maulesales.com
www.backcountryconnection.com
541-263-2968
Joseph Or, 97846
info@backcountryconnection.com
wup@maulesales.com
www.backcountryconnection.com
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I think it was one of the landing speed threads ?? I think..
Wup Winn
541-263-2968
Joseph Or, 97846
info@backcountryconnection.com
wup@maulesales.com
www.backcountryconnection.com
541-263-2968
Joseph Or, 97846
info@backcountryconnection.com
wup@maulesales.com
www.backcountryconnection.com
- donknee
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I found this over on BCP, post by Jeremy/Maules.com:
All Maules after the M5, have -7, 0, 24, 40 degrees, and the taildraggers have 48 deg as well.
-7 is used for increased cruise speeds under 'some' configuerations.
It depends on load/cg position, temp, and altitude. The idea is to eliminate some lift in cruise when not needed. Lift developes drag the faster we go.
Another use is for descent , you can come down faster minimising some shock cooling potential.
Primarily, it is most advantageously used for landing. You can go instantly from 48 deg down to -7 deg up, thus eliminating the possibility of a gust on the nose from lifting the plane. Stall speed rises by 20mph. You can place the mains exactly where you want at minimum speed and put max weight on the mains for braking PLUS, airflow across the wing helps hold the tail down rather than downflap which tends to pitch the plane forward.
You can land with the brakes on, on gravel or grass and even wet runway and the plane can be held with full aft elevator and judicious blips of air from the fan up front preventing the tail from coming up.
At speeds below 45mph there is no drag advantage in keeping the flaps down.
Jeremy
All Maules after the M5, have -7, 0, 24, 40 degrees, and the taildraggers have 48 deg as well.
-7 is used for increased cruise speeds under 'some' configuerations.
It depends on load/cg position, temp, and altitude. The idea is to eliminate some lift in cruise when not needed. Lift developes drag the faster we go.
Another use is for descent , you can come down faster minimising some shock cooling potential.
Primarily, it is most advantageously used for landing. You can go instantly from 48 deg down to -7 deg up, thus eliminating the possibility of a gust on the nose from lifting the plane. Stall speed rises by 20mph. You can place the mains exactly where you want at minimum speed and put max weight on the mains for braking PLUS, airflow across the wing helps hold the tail down rather than downflap which tends to pitch the plane forward.
You can land with the brakes on, on gravel or grass and even wet runway and the plane can be held with full aft elevator and judicious blips of air from the fan up front preventing the tail from coming up.
At speeds below 45mph there is no drag advantage in keeping the flaps down.
Jeremy
1976 M5-235-C
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Yep that was it!
Thanks
Thanks
Wup Winn
541-263-2968
Joseph Or, 97846
info@backcountryconnection.com
wup@maulesales.com
www.backcountryconnection.com
541-263-2968
Joseph Or, 97846
info@backcountryconnection.com
wup@maulesales.com
www.backcountryconnection.com
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