something to check at next annual condition inspection

A forum about all aspects of the construction and maintenance of the original Hatz CB-1 biplane. Here is the place to ask your questions and get the answers from the real experts.

something to check at next annual condition inspection

Postby mtaylor » Wed Jul 15, 2015 12:23 pm

Hatzers, I just pulled my tail wheel spring off to do a minor change and found that the steel washer under the nut that attaches the tail wheel spring at its forward most point was squashed like it was made of copper! And the 9/16" bolt was worn a little. This is after three years and some 100 hours. Just a note to say the tail wheel spring/bolt assembly takes a beating. I will pull it annually from now on. I think I will use a large diameter AN washer to replace the crushed one. See if that helps spread the load and lessen deformation...
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