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Old 2019-03-25
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Mezri Mezri is offline
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First Name: Mezri
Last Name: Filali
MAAC Number: 91499
WIMAC WINGS: Instructor Plane
 
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Quote:
Originally Posted by Hector View Post
My two cents on the diagnostic. To add to the approach speed, evident turbulence and to all others valid explanations, there are two key points to take in consideration:

1) The drag originated by a propeller spinning at very low RPM (This is way bigger than the drag of a propeller completely stopped).

2) The "shadow" over the wings that a propeller spinning a very low RPM can cause, blocking the air flow which will translate directly to lost of lift/sustentation and faster stall.
Hi Hector, I always beleave that the idle is less drag then stopped prop...
See the following video ...my be you will change your idea...
https://www.youtube.com/watch?v=24BU15dGdJE

In the B-25 Video, You can hear the sound of the engines at the last secound : the pilot quick the gaz to inproove the touch down. One engine get bettre acceleration then the other...crash.
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