30 August 2008
Riveting rudder skeleton

4.0 hours

Riveting counterbalance skin
Riveting counterbalance skin (Full size)

We put on the upper counterbalance rib and skin, and put in the 6 rivets from the skin to the rib.

Another view of counterbalance skin and rib
Another view of counterbalance skin and rib (Full size)

Here is another picture of the skin and rib, before we put in the rivets

Dimpling rudder skins
Dimpling rudder skins (Full size)

I then dimpled the skins common to the ribs and spars.

Angle clamped to skin to help hold it
Angle clamped to skin to help hold it (Full size)

The skin was too thin to get some of the holes dimpled, so I clamped an aluminum angle to one edge to help hold it. This worked great

Cleco'd skin to rudder skeleton
Cleco'd skin to rudder skeleton (Full size)

Cleco'd the skins to the skeleton, before putting in the rivets common to the skin and counterbalance skin

View of counterbalance weight bolted to rib
View of counterbalance weight bolted to rib (Full size)

Here is the counterbalance weight bolted to the rib. Even though the grip length is right at a -10, there is still a whole lot of threads showing above the nut. I put 3 washers and there was still 6 threads showing. Yet the non-threaded bolt length is not showing above the hole. I think it is ok, just the style of these countersunk bolts, but I'll ask on the forums just in case.


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