Carl's 4-Place Bearhawk

1-10-2021

Engine Nose Bowl mod - Pt 8

Today I cut out the new openings for the enlarged cooling air inlets. I then sanded to remove the existing gel coat that had been applied to the outside of the nose cowl in the areas where I will be applying new fiberglass layers.

The foam molds were marked and rough trimmed to final size but I found there were many areas where the foam was really too porous to lay glass over. I will be applying Bondo to these areas and hopefully by this means create a smooth finish to apply fiberglass over.

I started with 66 square-inches of opening and my new openings should give me about 95 square-inches of cooling air coming into my engine compartment, which is a bit better than the 88 square-inches that I'd determined was the minimum size.

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12-31-2020

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