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Wrench spinner
Joined: Thu Oct 5th, 2017
Location: Leigh On Sea
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MG power
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| Posted: Tue Apr 1st, 2025 12:58 pm |
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chris Wrench spinner Joined: Thu Oct 5th, 2017
Location: Leigh On Sea
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Each aerofoil "slice" changes shape and angle of attack from minimum at the root to maximum at the tip. In my day these were made in a spark erosion machine.
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