Keeping the Vandenberg upright

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Dynamite has been used since WWII to remove props on ships without having to put them in dry dock. You remove the dunce cap, loosen the retaining nut several inches and place 3-4 sticks of dynamite behind the prop hub. It blows it loose from the press fit on the shaft and the nut keeps it from dropping off entirely so that you can put a line on it and lift it free of the shaft.

For the weld, det cord would work too.
 
the prop is gone, cut in pieces, loaded in an overseas shippping container, and sold for scrap, probabaly in india now
 
https://www.shearwater.com/products/perdix-ai/

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