A further look at curved surfaces and how to deal with inspection rings, drain grommets and gussets.

By Ron Alexander

In last month’s installment, we began a discussion of finishing tapes and how to apply them. Finishing tapes are required over any fabric seam and over wingribs after the fabric has been attached. They should also be placed on leading and trailing edges of surfaces, over the stringers on a fuselage and over any area exposed to wear or that may need additional reinforcement.

Now let’s continue the discussion by outlining the methods required to attach inspection rings and drain grommets on a fabric surface. …

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