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Very Hot Topic (More than 25 Replies) Single vs. multi cavity moulds/ladle v bottom pour (Read 24997 times)
stubbicatt
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Single vs. multi cavity moulds/ladle v bottom pour
Aug 31st, 2015 at 9:35am
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My google fu is not very good. My searches must not be artfully drafted.

Brand spanking new to Schuetzen. Not even fired a match yet. Heck, not even fired a shot yet. I did buy a single cavity Saeco 200 grain .324 mould. I reckon that will get me started, and experience and knowledge from you guys might fill in the blanks. Cal 32-40.

My bottom pour Pro Melt coughed up a fur ball, and is back at RCBS for warranty repair. So I've been casting with a RCBS ladle from an old Lee melter. I'm sure not past the experimentation phase of things to arrive at consistent bullets.

Do you fellas bottom pour your bullets, use single or multi cavity moulds?

Before foolishly trekking into a mine field fraught with frustration and failure, I was sort of thinking when the Pro Melt returns to try bottom pour, and maybe get a 3 cavity mould so that I have adequate bullets to learn how to shoot this rifle.

What do you recommend? Thanks to all who respond. BTW, no response is too simple, and no risk of offending me with condescension. Smiley

With respect to alloy hardness, I can mix up 20-1 with the supplies on hand, but have been using an alloy of unknown composition which tests out at about 15 BHN. I wonder if this might be too hard to be used well, or might break a breech seater?
« Last Edit: Aug 31st, 2015 at 9:46am by »  
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marlinguy
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #1 - Aug 31st, 2015 at 10:05am
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I don't use multi cavity molds, regardless of how I pour. Have always used single cavity.
  

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wcf3840
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #2 - Aug 31st, 2015 at 10:38am
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Single cavity molds with a ladle. I use 25-1 alloy.
  
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nuclearcricket
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #3 - Aug 31st, 2015 at 11:17am
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All of my rifle bullet molds are single cavity and I ladle pour all of my bullets now. When I was casting pistol bullets I did use a bottom pour pot. When I got started shooting cast rifle bullets everyone said to ladle pour and that is what I have done. I have found that I can cast very consistent bullets that way. Also I don't have the mess of a drippy spout to deal with.
Sam
  
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rkaires
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #4 - Aug 31st, 2015 at 11:18am
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Single cavity molds with a ladle here too. I'm using 20-1 alloy.
  

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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #5 - Aug 31st, 2015 at 11:21am
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stubbicatt
From your post, I take it you are new to bullet casting. As you already have a single cavity mould, that's a good one for learning the art of bullet casting. Bottom pour or ladle pour is a personal thing. Bullets suitable for shooting in your 32-40 can be cast using either method.
Don't get hung up on which bullet alloy to use right now. If you can prepare 1:20 alloy go with that. It's one of the most popular alloys and has been successfully used with schuetzen rifles for over a hundred years.
Do a bit of research on bullet casting. Read everything you can conveniently find (online and/or in print). After you have read several sources, it will start to make sense.
There is a decent selection of books available on this web site at:
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The Lyman Cast Bullet Handbook is a good place to start. Try to find a used one and save a few bucks, the techniques have not changed over the decades.
Another alternative is to throw a question out on this forum asking for links to good "how to" bullet casting sites.
It takes a bit of practice to cast good bullets but you will learn, it's not rocket science.
Welcome to schuetzen and good shooting!
  

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stubbicatt
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #6 - Aug 31st, 2015 at 11:57am
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Thanks fellas. I've been casting bullets for pistol since mid 1990's, and 40-65 and 45-70 since late '90's. I always used single cavity moulds for the bigger slugs, and ladle poured the bullets of 20-1 alloy. 

I am glad to continue ladle casting, but just wondered if any success would be obtained using bottom pour method. I guess I can try it and see, though the cumulative wisdom would suggest that to be perhaps a waste of time. The question about multi cavity moulds is directed more towards building up a stockpile of bullets more quickly. I have never had any real success ladle casting multi cavity moulds, hence the bottom pour idea.

Thank you all so much for helping me out.  Smiley

  
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #7 - Aug 31st, 2015 at 11:58am
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ONE recommendation.

Which ever method of casting you employ, improve your consistancy (weight et al.) by (at least until your technique gets GOOD, weigh each bullet AS YOU CAST THEM. 

Instant feedback to your timing etc.

  

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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #8 - Aug 31st, 2015 at 12:34pm
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Have yet to talk to a top shooter who bottom pours. Simply not consistent enough for best results on the target. Same with single cavity vs. multi-cavity molds. As always, YMMV.
  

Glenn - Stevens 044 1/2, Bartlein SS 5R barrel in 22LR
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #9 - Aug 31st, 2015 at 1:18pm
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Stay single.  You won't regret it.   
And don't use multiple cavity molds either!
  

People who think they know everything are a great annoyance to those of us who do.
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #10 - Aug 31st, 2015 at 1:27pm
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bpjack wrote on Aug 31st, 2015 at 1:18pm:
Stay single.  You won't regret it.   
And don't use multiple cavity molds either!


A.  More time for casting and shooting
B.  Better bullets! Grin
  

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stubbicatt
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #11 - Aug 31st, 2015 at 2:06pm
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bpjack wrote on Aug 31st, 2015 at 1:18pm:
Stay single.  You won't regret it.   
And don't use multiple cavity molds either!


Bwahahaha!  Grin

I concur wholeheartedly! THIS is good advice!
  
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KAF
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #12 - Aug 31st, 2015 at 2:45pm
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I cast using nothing but bottom pour, and have very good consistent bullets.  I cast mostly .321 dia, but have cast large 45 and small 25 with the same consistency.
Don't let anybody tell you you can not cast well using a bottom pour pot.  They are dead wrong.

Mine is a RCBS pot and it does not leak.  You have to tune the things, not hard at all.

I poured iron for many years it is the same thing only hotter.
  
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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #13 - Aug 31st, 2015 at 3:02pm
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I bottom/pressure pour. I compared my scores at Spokane, for the last two years, using both bottom and ladle. Both years, my bottom poured bullets out scored my ladle so, I may have lost a few point in the testing.

I've always bottom poured so, maybe my skill isn't up to parr with the ladle (I pour the ladle in contact with the sprue plate) but, other than the shaper base on the bottom pours, the bullets looked the same.

The technic is a little different, you have to watch the heat closer so, the lead doesn't make whiskers and I have to cast faster bottom pouring.

Frank
  

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Re: Single vs. multi cavity moulds/ladle v bottom pour
Reply #14 - Aug 31st, 2015 at 3:07pm
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Casting Pistol bullets out of range scrap and casting good Schuetzen bullets are two entirely different things. Consistency is the most important thing when casting bullets good bullets are filled out with no wrinkles, have good sharp edges and flat bases and are all within .3 of a grain of each other. This is a skill that will take time to learn how to do right. 
My recommendation is stick with a single cavity mold. It is hard enough to get match quality bullets out of a single cavity without complicating your life by two or three. I believe that it is easier to learn to cast good bullets with a dipper that a bottom pour pot but you already have one so go ahead and use it. Cast at the highest temperature that you can and still get the bullets to drop freely from your mold. Learn to develop a rhythm with your mold. Some will let you go fast and others will be slow. In ten years or so you should have the hang of it.

40 Rod
  
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