The damage that occured in my case with the muffler attachment hardware, (when I had original McCauley blades) came through the exhaust pipe holes not the prop hub area. I have removed the screen on my ship years ago. It is one of those items that continued to vibrate loose and got to the point where I was tired of re-riviting so I finally just removed it. I have seen several other 337's without this screen also.
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Herb R Harney
1968 337C
Flying the same Skymaster for 47 years
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