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Very Hot Topic (More than 25 Replies) Lino & Lead Alloy (Read 13838 times)
JLouis
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Lino & Lead Alloy
Apr 2nd, 2011 at 8:49pm
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I did some testing recently with 1/4lb Lino & 3lbs 99.9% pure lead as I refused to pay the inflated going price of 99.9% pure Tin and I must say the initial testing was impressive as noted on the below targets. 

The initial batch of alloy seemed to be very normal compared to a Lead Tin mixture with very little crud rising to the top of the pot after fluxing which would reflect the below first target. 

Topping off the pot for the second batch of 100 bullets for testing seemed to have just a tad more crud on top of the pot after fluxing.

The third top off of the pot showed an extreme amount of crud on top of the pot after fluxing as if the metals were no longer becoming one and the barrel leading got out of hand.

The forth top off of the pot had the same results and now I have about 17lbs of alloy for fishing weights.

The results of my testing is I don't want anyone to spend the time and energy that I did only to end up at a dead end street. 

I am now back to where I started with a proven Lead Tin alloy just as those before use have proven to work in the past and the going price of Tin now does not seem to be that out of sight!


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« Last Edit: Apr 2nd, 2011 at 9:25pm by JLouis »  

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frnkeore
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Re: Lino & Lead Alloy
Reply #1 - Apr 2nd, 2011 at 8:56pm
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J,
Am I seeing 3 tipped bullets in the 249 target and at least 1  (low) in the 250?

Frank
  

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JLouis
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Re: Lino & Lead Alloy
Reply #2 - Apr 2nd, 2011 at 9:31pm
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Frank the bullets were flying point on the target frame was not even close to being plumb and the cardboard backer had a huge bow in it due to our resent rains and I could not stretch it tight enough when I tried to re-staple it thus giving the false impression of tipping bullets.

J.Louis
  

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frnkeore
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Re: Lino & Lead Alloy
Reply #3 - Apr 2nd, 2011 at 9:38pm
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Thank you, John.

I thought that the one tenth increase in powder started to straighten them out.

I understand the rain thing, we had 2 days w/o and more today. I'm hoping to get out next week if there is a break.

Frank
  

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JLouis
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Re: Lino & Lead Alloy
Reply #4 - Apr 2nd, 2011 at 10:25pm
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Your welcome Frank I was not trying to correct you I just wanted to mention the fact that the target frame was not plumb and the cardboard had a huge bow in it so others would not think their bullets were tipping under the same conditions.

I have been out at the range in the past and have had someone say their bullets were tipping and did not understand why and what was really happening was the target frame and the cardboard backer were tipping and giving them a false reading.

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uscra112
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Re: Lino & Lead Alloy
Reply #5 - Apr 2nd, 2011 at 10:50pm
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Lemme understand - first batch was 3 lb. lead and 1/4 lb. Lino.

Subsequent batches you added lead and lino in proportion?  

And the pot continued to build up a lot of dross?

Or did you empty the pot each time and melt a new batch, but each new batch generated more dross than the last?

Linotype has an awful lot of antimony in it.  Your mix should have been a lot harder than just lead and pure tin.

BTW thanks again for the spreadsheet.

Phil
  

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Re: Lino & Lead Alloy
Reply #6 - Apr 2nd, 2011 at 10:55pm
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If the target were out of plumb, wouldnt the bullet holes all be elongated the same way? If the bullets were truly going point on?   Roll Eyes

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JLouis
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Re: Lino & Lead Alloy
Reply #7 - Apr 2nd, 2011 at 11:06pm
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Joe along with the target frame not being plumb you also need to keep in mind the cardboard backer looked like the face of a large basketball and was no where close to being flat.

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JLouis
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Re: Lino & Lead Alloy
Reply #8 - Apr 2nd, 2011 at 11:07pm
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uscra112 I added proportionate amounts of Lino and Lead to the additional batches.

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JLouis
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Re: Lino & Lead Alloy
Reply #9 - Apr 2nd, 2011 at 11:22pm
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I need to clarify the term increased crud it was about a 1/2 to 5/8 inch thick top layer of what looked to be un-blended alloys not the typical dirt that is removed when fluxing a lead and tin alloy.

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Re: Lino & Lead Alloy
Reply #10 - Apr 3rd, 2011 at 4:09am
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JLouis wrote on Apr 2nd, 2011 at 11:06pm:
Joe along with the target frame not being plumb you also need to keep in mind the cardboard backer looked like the face of a large basketball and was no where close to being flat.

J.Louis


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Re: Lino & Lead Alloy
Reply #11 - Apr 3rd, 2011 at 8:51am
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Well J Louis, I like to read your posts, and am very impressed by your targets. However, mixing linotype and lead for a bullet alloy has been successfully done by zillions of people with zillions of tons of metal for at least a hundred years. If you turn the heat up and flux, you should have no problem. If I can do it, anyone can do it.
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Re: Lino & Lead Alloy
Reply #12 - Apr 3rd, 2011 at 9:00am
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As far as I am concerned, its the results on paper that counts. just my two cents, joe S
  
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Re: Lino & Lead Alloy
Reply #13 - Apr 3rd, 2011 at 9:49am
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I have pointed out before, that all match .22 ammo makers use antimony in their bullets.
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Re: Lino & Lead Alloy
Reply #14 - Apr 3rd, 2011 at 11:53am
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1/25 Lead alloy is the cheapest part of my Shooting.  For me it's false economy to try to come up less expensive alternatives.  Gas last match was over 50 bucks. I shot 60 300 gr bullets out of a rifle that cost more than the car. Entry fee lunch side bets etc it's a hundred dollar day.

Ferguson's latest for 1/25 pre alloyed is 2 dollars per pound that's 10 cents per bullet

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