24 October 2009
Flap hinge angles

2.0 hours

Match drilling hinge attach angle
Match drilling hinge attach angle (Full size)

After the hinges are riveted to the rib, I fit the attach angles and match drill them to the hinge and rear spar

Fitting of hinge angle
Fitting of hinge angle (Full size)

The angle that fits with the lower skin is then cleco'd into place.

Aligning angle
Aligning angle (Full size)

A straight edge is placed on the rear spar and rib to make sure that the angle is in the right place.

Priming the angles
Priming the angles (Full size)

After drilling, deburring, and countersinking where necessary, the angles are ready to install

Finished inner flap hinge
Finished inner flap hinge (Full size)

I riveted the angles in place. This shows the inner hinge

Inner flap hinge, another view
Inner flap hinge, another view (Full size)

The other side of the inner hinge


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