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After
looking at a number of similar bracket designs I marked out the bracket
pieces with permanent marker being careful to allow the sheet to be cut
with a guillotine. The bracket height leaves enough room at
the
top and bottom for the 3/8" thick foam/carbon fiber leading edge to
make solid contact with the main spar. |
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All
the holes are drilled prior to welding using plenty of RP7 as lubricant
and coolant to protect the drill bit and make boring easier.
This
4130N is pretty hard stuff. |
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The
brackets are jigged up and the magnets hold the plates at right angles
to the base. |
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I
have done a TIG welding introductory course and was happy with my
results. However, for every good weld I can make, I do two
not so
good ones. My welding skill is not consistent enough which is
why
I had Simon do them. The picture speaks for itself. |
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I
painted the brackets in a gloss white enamel and had to clamp this in
place just to help me imagine what the KR will look like with landing
gear. |
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