I have detailed making the motor mount for the Talon on a separate thread, see:
Motor Mounts
The mount was glued in place, making sure it was in-line with the fuselage datum. The cocktail sticks key into the wing, so (I hope) the mount won't come off in a hard arrival. Car Plan foil behind the motor to protect the fuselage from the hot Rapier ... er Tendera TSPL-2L exhaust and a thin metal thrust tab complete the build:
Above: The T-38 Talon ready for its first test flight. It weighs a little under 32 grams with a used motor. I was pleased the CG came out in the right place without the need for nose (or tail!) weight.
In retrospect, trying out this technique of 'printed tissue over painted balsa' was an interesting exercise, but whether it was worth all the extra work I'm not sure.
The weight is slightly less than with printed 60 gsm Bond paper' over balsa and the tissue went on nicely, but the finish is not as good as I would have liked.
So it goes