C10 Final Trimming and Strongback Markings

2026-04-15

Final Trim of C10

Cut and sanded the large center cutout and the notches for the various longerons. Spent roughly 1h in total. The total weight at this stage is 85 g, including the plywood reinforcement.

Final trim done. 85 g total weight.
Final trim done. 85 g total weight.

Preparing Strongback for Gluing Longerons

Next, I started marking the position of the bulkheads and double-checking the levelness and straightness of the entire setup.

Taped all the lateral beams with packaging tape.

At the end, I could finally position one of the 30x10 longeron strips for the first time to get a first glimpse of the fuselage outline.

Marking the bulkhead positions.
Marking the bulkhead positions.
30 mm thickness. Marking the front line of the bulkhead.
30 mm thickness. Marking the front line of the bulkhead.
First glimpse of fuselage shape...
First glimpse of fuselage shape...

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