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Old 12-23-2011, 11:03 PM   #15
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1982 28' Airstream 280
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Quote:
Originally Posted by goshawks00 View Post
I may be wrong, but I believe the OD of a 1/4" ID bushing is to big for the surface area of the hinge... I tried to get some specs. on the Delrin bushings but all I could find were 1/2" or 5/8" od in order to use a 1/4" ID.
Suggestions?
Barry
Speaking as a machinist I would bore the hinge just enough to clean up the worn area and make the hole round again. While doing this it is important to make sure the center-line of the hole is in the same location as it was originally so that the door position remains true. Now you can fabricate a thin wall bronze bushing to fit. Delrin bushings are nice but may not be useful if the wall thickness is too thin. Any competent machine shop should be able to fix you up. I would have him make you a couple of extra bushings while he is at it. If you notice any wear in the future it will be easy to push in one of your spares.

Cheers, Dan
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Old 12-23-2011, 11:37 PM   #16
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Mcmaster.com has Delrin flanged sleeve bushings that are 1/4" id, 3/8" od. If there's not enough room for these, you'll indeed need to have some thin wall bronze bushings turned...

- Bart
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Old 12-24-2011, 03:58 AM   #17
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Thanks guys... I see McM. has 1/4" ID -5/16" OD bronze bushings so will probably go that route. First task is finding a machine shop that can do the work then see what they recommend... Stay tuned!!
Merry Christmas all,
Barry
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