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  #11 (permalink)  
Old June 21st, 2007
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Re: homemade 'cannonball' mold

A method that I have been playing with recently, is to cut the shape out of a balsa sheet (type of wood not important). I then jam the pattern into the hole half way. The cutout does not need to be a perfect fit, just tight in two or three places.

This then forms the bottom of the mold box. When the POP is poured, with a little agitation, the bubbles rise away from the pattern, leaving a perfect mold, no bubble craters and a flat surface. There is a little flash where the pattern did not fit the balsa perfectly, but once the mold has been fully dried, this sands off very easily, leaving good edges to the mold.

Is anyone else doing similar? If not, I think it is worth an experiment. Another advantage is that you can control precicely, how much of the pattern is molded.

Last edited by Vodkaman; June 21st, 2007 at 09:00 PM. Reason: typing wearing boxing gloves
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Old June 29th, 2007
 
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Re: homemade 'cannonball' mold

Finally got that lead melted to find it weighs almost 8 lbs. Vodkaman- not sure what you meant with using the wood. Can u explain it again. I'm blonde...you say "jam the pattern into the hole halfway...What Hole?" Thanks.
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Old June 30th, 2007
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Re: homemade 'cannonball' mold

build the Master in wood build mold around it pour POP around it up to ½ of the downrigger weight your eyelets should mark center.I´d suggest you to build master similar to an splittingaxe &add a sheet of SS in the tail 3x5" atleast . With this you´ll get cutting edge & a fin for stability
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Old July 1st, 2007
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Re: homemade 'cannonball' mold

Finlander. At exactly the same time that I posted, Husky posted the same method on hardbait forum, except his description is far superior to mine.

For silicone mold makers. (ATTN MUSKY DAN)

Hope this link works.

Last edited by Vodkaman; July 1st, 2007 at 11:45 AM. Reason: tired
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