Tuesday, December 6, 2016

Estes Long Tom #3016 Build, Part 7, Lug and Fin Positions

It pays to look ahead to the paint mask location before gluing on the lug. It's much harder to mask over the launch lug.

On the top is where the instructions say to glue on the lug, 1 1/2" from the rear of the upper tube. I marked the tube to show where the black paint will be.

Move it to the back of the tube and there will be no masking over the raised lug.

TIP: To check the accuracy of the fin marking wrap - 

Wrap and mark the fin locations. Here I marked the fin lines 1, 2, 3 and 4.
Now rotate the first fin location (1) on the wrap to the "2" mark on the tube.
Check how the marking guide matches up at the 3, 4 and 1 locations.

TIP: You don't have to mark the booster and second stage separately.
Slide the tubes and continue the marks down the booster using an aluminum angle. This way you are assured the upper and lower fin lines are consistent.

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