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Re: Netcraft Molds
squig, I am not following this coversation really well
are you trying to inject plastic into a alum grub mold so you dont have to pour the tail seperate?
if you are you need to drill a 1/32 hole at teh very type of the tail 1/16 is best because most guys dont have a drill press and only have a hand drill.
hand poured molds are not made for injecting as they dont have bleed holes, you DONT need to pre heat the mold either as it wont make any difference.
if you put a bleed hole in the tail you could pour down the body then shoot air into it with the hand injector then finish pouring the body, just keep your plastic on the hot side. with out a bleed hole you just cant do it.
Vaccum wont work on a alum mold with a long tail like that due to the plastic cools off to fast
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