Saturday, September 15, 2018

Started working on rudder!

First you have to mark and then cut apart some rib pieces.

Then you have to mark and cut apart some rib shear clips.

Then you have to mark and cut some stiffeners.  They get progressively shorter and you end up with a left and a right part.

I used the band saw to cut apart the ribs.

Cutting the shear clips.

Cutting the stiffeners.

Lots of parts all ready for match reaming!

I reamed the rib flanges to the rib.

Next you have to do some cleanup of the rudder horn.

Lots of work on this puppy.  Lots of edges, angles, radius’s, and notches to be cleaned up and deburered.
I bought some of this abrasive cord and tape to see if it helps with these kinds of jobs.  It does work better than strips of Emory cloth.

The tape....for flat edges.

They have you countersink a couple nutplate mounting holes.

Then a couple more holes on the other side.

Then you cleco it to the bottom rib and drill the horn to the rib and flange.

All drilled.

Next you cleco this assembly to the spar and match team it it all.

Countersinking the rudder stop reinforcement plates.

Next they have you cleco together the stiffener parts and shear clips to form the rudder ribs.

Here they are all clecoed and match reamed.

Then they have you cleco them to the spar.

Then you cleco the hinge doubler plates to the spar.  One on the middle.

And one toward the top. 

Then everything is match reamed together.

That is all for me today!


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