IMG_7226

Here the urethane on the aluminum ledge has also been covered with cork. The cork both served to protect the tank and the urethane.

IMG_7029

Supporting material in the form of rigid polyurethane sheet and micro/epoxy mix are laid out on the bottom of the fuselage.

IMG_6956 1

With the tank removed, the micro and urethane could be covered with cork. The cork serves to protect the tank from abrasion by the support materials. You can also see the strip of urethane applied to the top of the aluminum support for the tank ledge.

IMG_7027

The underside of the fuel tank is covered in plastic wrap which will prevent the tank from bonding to the epoxy in the micro.

IMG_7030

The tank was then put in place so that the urethane and micro could shape themselves to the bottom of the tank

IMG_7231

One final check to make sure everything fits and supports the tank.