Stewart 51 Hangar

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Horizontal Stabilizer Center Hinge Nutplates

February 27, 2016 by Mike Leave a Comment

Spirits are high today as we continue to work on the horizontal stabilizer hinge attachment. We began by drilling out the hinges and spar for the attach bolts.  Up to this point the hinges have only been attached using clecos.  We did all the drilling on the drill press to help with the accuracy of the bolt holes.

 

Stewart 51 Horizontal Stabilizer Hinge Attachment

 

The hinges are attached by using bolts fastened by using nut plates.  After the bolt holes were drilled we continued with the layout and drilling for the nutplates.

Stewart 51 Horizontal Stabilizer Rear Spar

In the photo above, you can see the center hinge nutplates have been located. The photo below shows closer details on the forward side of the spar.

 

Stewart 51 Horizontal Stabilizer Center Hinge Attach

Below is a picture of the rear side. Also note the various lines marked out for our measuring and layout. This is where you wish this had been more of a quick build kit having everything pre-drilled…haha!

Stewart 51 Horizontal Stabilizer Spar

 

In the picture below is shown the bolt and nutplate holes drilled for one of the mid-spar hinge assemblies.

Stewart 51 Horizontal Stabilizer Hinges

 

Below is a picture of the mid-hinge assembly. Note that the bearing is staked.  This is done to keep the bearing tight in the bracket.

S-51 Horizontal Stabilizer Mid-Hinge

 

In the photo below is the center hinge assembly, bolted to the spar.

S-51 Horizontal Stabilizer Center Hinge

 

Please comment, I love to hear from my readers.  Thanks again for coming along for this ride, you make my work worthwhile.

 

Filed Under: Empennage, Horizontal Stabilizer Tagged With: Empennage, Hinges, Horizontal Stabilizer, Nutplate

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