I'm in the process of tidying up the cowl to spinner gap and am finding that the aft spinner bulkhead is significantly dished. I would expect this to be the natural result of the forming process, much like wing ribs. My question is what, if anything, should be done to correct it? It is nice and true so I'm thinking it might be best to leave it dished. My concern is that the prop may tend to un-dish it. Have others also had this experience and what did you do?
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