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Wooden Obelisk Lead Molds

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Project by Jim Jakosh posted 07-13-2018 01:21 AM 1374 views 0 times favorited 30 comments Add to Favorites Watch

I had a 102lb sheet of lead that was given to me and I needed to process it into some shapes to get it out of the front of the barn. I saw that my counterweight mold that was made from walnut worked pretty good so I scrounged up all the scrap pieces of walnut and started making obelisk molds. I ran out and had to use some 3/8 maple plywood to finish them. I had enough for 7 molds. They make a 3 1/2” high obelisk and have a 5 degree angle on all sides. I added some process shots of how I assembled them.

They are just held together with Titebond III and I coated the inside with silicone spray before I filled them. I used them over several times and they are in pretty good shape yet.

The last shot is of the final products. I had one round ingot that I had to split the mold to get it out. That was its last use. There 20 of them and they are around 5 lb. each. They come in handy in the shop for weights during assembly.

cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!





30 comments so far

View Jerry's profile

Jerry

2850 posts in 1822 days


#1 posted 07-13-2018 01:37 AM

Well that’s interesting. I wonder how many duty cycles you’ll get…

-- There are good ships and there are wood ships, the ships that sail the sea, but the best ships are friendships and may they always be. http://www.geraldlhunsucker.com/

View lew's profile

lew

12382 posts in 3929 days


#2 posted 07-13-2018 01:43 AM

Cool Idea, Jim!

I used to have a Scuba diving shop and molded lead diving weights. I bought the mold but seeing this I could have probably made them. I scrounged lead from everywhere- wheel weights, fishing weights found when diving, even used some lead canisters that we got from the hospital- it’s a wonder they didn’t glow in the dark!

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Joe Lyddon's profile

Joe Lyddon

10299 posts in 4226 days


#3 posted 07-13-2018 01:46 AM

Are you using them as in exercising weights?

... or as weights to hold glue-ups together, etc.?

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

View John's profile

John

1275 posts in 1444 days


#4 posted 07-13-2018 02:29 AM

Brings back memories of the smelter I worked in Jim. The metal sure explodes if there is any moisture in the molds. Have you thought of making a lead hammer?

-- John, Sunshine Coast, BC, Canada.

View David's profile

David

207 posts in 3889 days


#5 posted 07-13-2018 02:46 AM

Make yourself some drafting ducks for boat lifting or just drawing splines

-- Islandwoodworker@Gmail.com

View doubleDD's profile

doubleDD

7772 posts in 2217 days


#6 posted 07-13-2018 03:11 AM

While none of these will be used for fishing weights, you did a great job on making those molds. Good job Jim.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View Woodwrecker's profile

Woodwrecker

4196 posts in 3749 days


#7 posted 07-13-2018 03:12 AM

Good use for that lead sheet Jim.
Those weights will come in handy.

View Dark_Lightning's profile

Dark_Lightning

3286 posts in 3283 days


#8 posted 07-13-2018 03:29 AM

Those weights ought to come in handy, and free is the best price. As long as one puts a taper in the mold, the casting is removable. Back when I met my wife, I gave her a present of a paperweight made of tire weights in the shape of the Greek letter “PSI”- Ψ- and called it a “Heavy Sigh”, a la “Mork and Mindy”, which was a popular TV show at the time. While I didn’t watch a lot of TV, I did manage to catch that item…even though it is technically pronounced “psee”, in Greek, just like “Pi” is actually pronounced “Pee” in Greek.

-- Random Orbital Nailer

View bushmaster's profile

bushmaster

3268 posts in 2456 days


#9 posted 07-13-2018 03:44 AM

Interesting, I just use a complete old battery for weight when i NEED A WEIGHT, yours is 100% lead. great idea.

-- Brian - Hazelton, British Columbia

View rmac's profile

rmac

221 posts in 3234 days


#10 posted 07-13-2018 03:50 AM

So you’re using your drill press as a giant C-clamp. I remember getting in big trouble once as a kid when I tried using one of my dad’s micrometers as a miniature one! Now I’m all grown up and I can do whatever I want.

—Russ

-- My table saw laughs at hot dogs. http://thesorteddetails.blogspot.com/

View Grumpy's profile

Grumpy

24532 posts in 4025 days


#11 posted 07-13-2018 05:42 AM

Great glue ups mate.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View BobWemm's profile

BobWemm

2543 posts in 2100 days


#12 posted 07-13-2018 06:35 AM

Where there’s a will there’s a way.
Great result Jim.

Bob

-- Bob, Western Australia, The Sun came up this morning, what a great start to the day. Now it's up to me to make it even better. I've cut this piece of wood 4 times and it's still too damn short.

View Mark Wilson's profile

Mark Wilson

2270 posts in 1237 days


#13 posted 07-13-2018 09:22 AM

Lead fumes. Pretty bad spelling. Connection? But I kid.

-- Mark

View recycle1943's profile

recycle1943

2435 posts in 1796 days


#14 posted 07-13-2018 09:41 AM

great idea, just seems a shame to do that to walnut lol

-- Dick, Malvern Ohio - my biggest fear is that when I die, my wife sells my toys for what I told her I paid for them

View Redoak49's profile

Redoak49

3596 posts in 2162 days


#15 posted 07-13-2018 12:33 PM

Please be careful with lead fumes as they are toxic. Also, the lead will be on your clothes and you will transfer it to your house and family.

The effects of lead are not very noticeable but can cause brain issues especially in younger children.

I worked with lead for many years. We added lead to steel to improve machining and had very strict safety rules. We always wore masks and our work clothes were washed by a firm that had special arrangements for doing it. We also were subject to blood tests to monitor for problems.

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