Hrs: 5

Fuel tank jigs and test fit

Next important step is to start with the fuel tanks.

First the jigs must be made from wood. I printed in 1:1 scale the cutting profile on A4 self adhesive paper.
With a jigsaw it was easy now to cut the profile:

The profile is 6 mm smaller than the fuel tank, I found a 6 mm rubber that I glued on the profile.

The jigs are ready and the skins are in:

Before inserting the ribs I made sure the the flanges are round:

I did a test fit how the brackets would fit on the main spar:

Outside fits ok:

Root side fits ok as well:

I’m not yet quite sure how much the wing twist effects the fuel tanks when built straight out of the jig…

Right fuel cell fits good: