no way is that a 13/15. look at the leading edges of the prop, they point forward and take a huge bite of water. low pitch props angle back towards the veins or flat. that prop is huge.
I think its my Bad english. I just got vibrations Last Summer. So i Take it Out, and bend every Blade the Same. I got 3 different before. I thought the Name for that is pitching...
I dont have a scale or messuared it. I just smooth it
The leading edges look very steep, this will cause vibration when you open the throttle at low speeds. Any protrusions or air leaks in front of the impeller will also cause vibration.
I got a Stone in the impeller, After that i got vibrations, then i rework the impeller, and now i dont have vibrations. I just wanted to know which impeller This is
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