Relief Holes and Markings (1 hours)

2026-04-29

I drilled all relief holes in bulkheads C1 to C5. Without relief holes there is a risk of the plywood skins being damaged by pressure changes. The labelling is not strictly necessary, but I marked all holes with black circles and labelled the bulkheads using the acetone toner-transfer method.

Relief holes drilled.
Relief holes drilled.
Bulkhead labels using toner transfer.
Bulkhead labels using toner transfer.
Holes marked with black circles.
Holes marked with black circles.

Continue Reading

Previous: Planing 30x10 Fuselage Longeron Strips