liningiv
Second Officer
Flight distance : 329409 ft
United Kingdom
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There have been a few threads recently on the Forum concerned about when and if you should replace the Props on the P3 series.
After 125 flights I noticed that one of the props on my P3P, a black one felt a little more stiff than normal, so I decided after 125 incident free flights and an this stiff thread, I would change them all.
I cut through one of them to show just how much, or how little, of the thread is engaged when fully fitted to each motor.
I must say I was a little surprised.
First shot shows just the prop hub cut down it's axis, I have marked the start of the thread with a horizontal pencil line on each side, and also used the pencil to highlight the thread shape.
Second shot shows the Prop hub fitted to the motor. About 3 full threads are engaged.
Third shot shows the assembly in an isometric view so you can better see what I am trying to illustrate.
Your comments would be interesting......?
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