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Shooting & Reloading - Mausers, Big Bores and others >> Muzzleloaders & Blackpowder

DarylS
.700 member

Reged: 10/08/05
Posts: 27732
Loc: Beautiful British Columbia, Ca...

Re: Casting problems
26/02/08 01:11 AM

I've had blue balls when casting overly hot, but never frosted ones, with pure lead. Frosting comes from antimony in the mix and Steve's right, the frosting doesn't hurt the shooting capabilities of the bullets. All of my modern high velocity alloyed bullets are evenly frosted all over.
; I've been casting for a lot of years, well over 1,000 pounds of lead has gone through my moulds and I've never had to cool a sprue plate. When fast-casting with alloyed metal and iron blocks, I've had to singe them onto a wet towel at times to reduce the heat, but never just the sprue plate. I think that's a lot of the problem.
: 700F is not hot enough for pure lead. The pictured bullet shows that. When the lead inside the mould takes to long to harden, I set an aluminum set of blocks on a steel plate for a "few seconds"- as in count to 4 or 6. This is enough to suck the excess heat from them. Too long on the plate, and the mould cools to much.
: Martin - by the sounds of it, you are continually cooling your mould as you are casting and slowing your casting. You should be able to cast 30 bullets before the mould gets too hot - keeping a steady rythem. In 1 1/2 hours, with 200 cast, your rate is pretty good, but not enough heat. Wrinkled bullets shoot about as good as they look.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Entire topic
Subject	Posted by	Posted on
Casting problems	beleg2	25/02/08 10:27 AM
Re: Casting problems	Dphariss	25/02/08 04:18 PM
Re: Casting problems	DarylS	26/02/08 01:11 AM
Re: Casting problems	szihn	26/02/08 02:00 AM
Re: Casting problems	Dphariss	29/02/08 02:54 AM
Re: Casting problems	szihn	29/02/08 04:16 AM
Re: Casting problems	DarylS	29/02/08 01:27 PM
Re: Casting problems	Tatume	29/02/08 11:06 PM
Re: Casting problems	szihn	01/03/08 02:30 AM
Re: Casting problems	Dphariss	29/02/08 11:13 AM
Re: Casting problems	beleg2	29/02/08 08:27 AM
Re: Casting problems	szihn	29/02/08 08:51 AM
Re: Casting problems	beleg2	26/02/08 04:38 AM
Re: Casting problems	Dphariss	29/02/08 02:49 AM
Re: Casting problems	szihn	26/02/08 05:18 AM
Re: Casting problems	DarylS	26/02/08 10:29 AM
Re: Casting problems	beleg2	26/02/08 09:21 PM
Re: Casting problems	DarylS	27/02/08 01:52 AM
Re: Casting problems	beleg2	27/02/08 04:46 AM
Re: Casting problems	DarylS	27/02/08 01:15 PM
Re: Casting problems	beleg2	28/02/08 12:36 AM
Re: Casting problems	CptCurl	28/02/08 05:00 AM
Re: Casting problems	beleg2	28/02/08 11:09 AM
Re: Casting problems	DarylS	28/02/08 12:45 PM
Re: Casting problems	gatsby	25/02/08 10:42 AM
Re: Casting problems	szihn	25/02/08 11:35 AM
Re: Casting problems	beleg2	25/02/08 11:44 AM

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