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prop cupping balls

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Dave, go Old School. Ball on the trailer hitch, seen many a prop tweaked in the right hands.
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Here in the states the Atwells steal them.
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PS. Rock welding makes a set.
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Maston rc marine sells them for a very reasonable price, good company too.

Cupping ball set

Tool for adding cup to props

Manufacturer part number: MRCM-CB

Manufacturer: MRCM

1 review(s) | Add your review

$50.00

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Our own cupping tool . Set of 6 different size balls on an aluminum plate . Put in the vise or set it on the work bench . Select the ball size for your prop . Thread it into the pedistal . Position prop over the ball and lightly tap the cup that you want into the props edge .
 
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