Sunday, March 8, 2026

Estes Shark #1111, Build, Part 4, D.I.Y. Nose Block (Coupler)

The coupler was cut to 1 1/4" long. The original kit nose block was 1" long. I feel better having a longer, more stable sliding joint.

I decided to make the coupler bulkhead wall out of 3/32" basswood.

The BT-50 coupler was set down onto the basswood and the interior diameter traced with a sharp pencil.


Two circles were cut out.
The sides were sanded to a circle.
Both were glued cross grained.

A inside reinforcement bar was cut and glued to the top face.

A pilot hole was carefully drilled before the screw eye was turned into the basswood. 


The bulkhead was glued into the coupler, recessed to allow for a glue fillet.

More glue was applied inside from the top using a Q-tip.

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