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Problem pouring jigging spoons
04-07-2014, 10:58 AM,
#1
Problem pouring jigging spoons
I have do-it mold # JS-3-A for jigging spoons. I use the 4lb Lee melting pot and dip out with a ladle. The problem I have is I can not get the cavities to fill completely before the lead hardens. I have heated the mold thoroughly on a hot plate, heated my ladle, I have tried to pour several blank runs (most of which do not fill the entire cavities), and still can not get a good pour.

I have used this setup to pour a few hundred 1/4oz horse head jigs with no real problems.

Would I be better off using a bottom pour pot for these jigging spoons instead of ladleing? It stands to reason, that I could put the mold right up to the spout, thus eliminating the time the lead is exposed to the cool air, and it would fill the cavities better? Or is there some other trick?
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04-07-2014, 11:26 AM,
#2
RE: Problem pouring jigging spoons
I have the same mold and use a lee pro 420 with no problems.
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04-07-2014, 12:32 PM,
#3
RE: Problem pouring jigging spoons
I use a bottom pour with clean, soft lead and have no problem with any of my 40+ molds. Do you flux your lead? I don't use wheel weights anymore, it can ruin your pot after awhile. How old is your pot? Heating element could be going out.
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04-07-2014, 12:40 PM,
#4
RE: Problem pouring jigging spoons
One thing I found with the jigging spoons was when casting without almost prefect metal bottom pour etc,
best fill was found by dusting cavities with talcum powder (J&J baby powder) Blow off excess and try casting.
Wishing all, Tight Lines and Bent wriggling rods!
KDog!
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04-07-2014, 01:06 PM, (This post was last modified: 04-07-2014, 01:07 PM by CrappieHappy.)
#5
RE: Problem pouring jigging spoons
Have you tried holding the mold at an angle (tilting) while pouring?
SLAB STIK'R JIGS


TNT Tackle
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04-07-2014, 02:03 PM,
#6
RE: Problem pouring jigging spoons
The pot is brand new. In fact, yesterday was the first time I used it because my old hot plate stopped working. Those Lee pots are nice, I melted all my lead with it and never had it over 4 on the dial. I have not used flux. The lead I use is clean and pure (not wheel weights). I just scrape off any chunks and "dust" from the top of the pot. Like I said, I don't have any problem with the pony heads that I pour with the ladle. Just wondering if the deeper, heaver lures need to be poured with a bottom pour pot as opposed to ladle.

I haven't tried to pour at the angle. I will try that and the baby powder trick tonight.
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04-07-2014, 02:14 PM, (This post was last modified: 04-07-2014, 02:20 PM by Hawnjigs.)
#7
RE: Problem pouring jigging spoons
Yup, you've run into the insurmountable limitations of ladle pouring, like I did. A bottom pour is indispensible for certain applications.

I would also suggest considering tin as a lighter shinier alternative to lead for pouring slabs.

Edit: a "4" heat setting or hot plate might not be adequately hot. Just because the lead melts doesn't mean its hot enuf to pour efficiently.
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04-07-2014, 02:34 PM,
#8
RE: Problem pouring jigging spoons
As far as the heat setting, and maybe this should be in another thread, but is it possible to get it too hot? I had the heat setting higher, and the lead started getting a gold-ish color?? Once I turned the heat back down it changed back to silver liquid. Weird.
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04-07-2014, 03:10 PM,
#9
RE: Problem pouring jigging spoons
Yah, higher heat accelerates the oxidation potential of lead most noticeable on the melt surface as discoloration, skinning, and eventual powdery yellow & dark dross. Haven't researched the chemical constituency of the colors, just acknowledged its presence.

Some of my ladle pour larger heads require extremely hot melt temps way beyond the intitial liquefaction level, up to maybe 900-1,000*. At that temp, surface dross forms very quickly and must be continually skimmed off the melt. On another forum an esteemed (amateur) metalurgist stated that in his experience indeed too hot may affect pours negatively, but I generally never go hotter than necessary for complete mold fill out so haven't experienced that yet.
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04-07-2014, 07:05 PM,
#10
RE: Problem pouring jigging spoons
What type ladle . you need an RCB with a pour spout . Turn the mold on it's side . Stick the spout in , turn the whole thing upright at the same time . Candle black the living crap out of the cavities . Talc works but candle black is more lead friendly . If you can shoot me a pic of the mold with unfilled slabs still in it .
Toad Frog Baits a nonprofit hobby . Dedicated to spending money when I shouldn't
Fish Forever Work Whenever ! The worst day fishing is better than the best day working.
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