Advice Needed on Repair of 1960s Sunfish

Hi,

I am new to boat repair and need some guidance. I was given some advice . . . but fear that it was not good.

I was given a 1960 Sunfish that had lived a good life, seen a good bit of use. Learning as I go . . . I repaired a four inch crack/hole in the keel, underneath the seating well. The gelcoat was in bad shape . . . .lots of very thin spider cracks, and hundreds of tiny pits, some deep of scrapes, previous repairs, etc. I dremmeled those out, put in fairing, sanded the entire...

Advice Needed on Repair of 1960s Sunfish