We're starting to work on the seat parts. There are holes that can be drilled in the F-638 Seat Brackets, but they're not a size that we've got a hole saw for (the plans call for a 2 1/4 hole), so a trip to Harbor Freight is necessary. They've got an adjustable hole saw that was only about $7. It's says that it's designed to cut wood, but a few scrap pieces of aluminum later, we've determined that it works okay on thin aluminum as well.
Adjustable hole saw - Harbor Freight, $7. |
F-638 Seat Brackets with the holes drilled. These actually came out better than we expected. |
Unrelated, but important - the rivets on the short aileron pushrods needed to be flatter (per the tech inspection). This is the flatter version. |
More seat back/brace parts. Not much has been done so far except to radius corners, still have to be drilled. |
Time to get some new Scotch Brite pads. This one is developing more holes than there is pad. |
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