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Fabricated parts are CNC machined by fellow F-39 builder
Bert Hofman
out of aluminum sheet 5059 H321 (Alustar)
Mastbase
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Rudder box pivot brackets and rudder shear pin brackets
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Compression pads
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 Beam
bolt pads
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 CNC
Router at work with a compression pad |
Beam bolt pad backing plate
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 Bar spacer
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 More bar
spacers
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Trial fit lower folding strut (still bare material) |
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