Firing The Thunder Mug on the 4th of July

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JimT
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Firing The Thunder Mug on the 4th of July

Post by JimT »

I loaded the Thunder Mug with about 500 gr. of FFFg Black Powder and 100 gr or so of some old Pyrodex R. I wadded the charge with some coarse steel wool, packing it in tight and hammering it into place.

These are captures from the video of it going off.
a.jpg
b.jpg
c.jpg
d.jpg
The Thunder Mug is made from the body of a hydraulic cylinder with the ends milled off, welded to a base plate with a handle and fuse hole in the bottom of the cylinder.
IMG_6847.JPG
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GunnyMack
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Re: Firing The Thunder Mug on the 4th of July

Post by GunnyMack »

I have one somewhere, though it's much smaller scale. It's 45 cal bore with an 11° target crown- one of the guys at school needed to get a grade for crown cutting so he just machined it and I added the touch hole. It will launch golf balls very nicely!!
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JimT
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Re: Firing The Thunder Mug on the 4th of July

Post by JimT »

The bore on this one is about an inch and a quarter. I once case a lead slug that weighed about a pound and a half. I filled the Thunder Mug about 3/4 full of 3Fg and hammered the slug home. Upon firing it went up out of sight .. a minute later I caught sight of it coming down in my neighbor's pasture. I found it about 300 yards distant from where I fired it.
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GunnyMack
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Re: Firing The Thunder Mug on the 4th of July

Post by GunnyMack »

Next thing you'll be launching anvils! :lol:
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Bill in Oregon
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Re: Firing The Thunder Mug on the 4th of July

Post by Bill in Oregon »

Jim: You found the slug???!!!
Love your T-mug. v 8)
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JimT
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Re: Firing The Thunder Mug on the 4th of July

Post by JimT »

Bill in Oregon wrote: Fri Jul 05, 2024 6:07 pm Jim: You found the slug???!!!
Love your T-mug. v 8)
Yes. I was able to spot where it landed in the pasture and found it fairly easily. I kept it for years until one day I tossed it in the lead pot and made bullets with it. :D
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Scott Tschirhart
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Re: Firing The Thunder Mug on the 4th of July

Post by Scott Tschirhart »

Hmm? Is that about the size of a golf ball?
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JimT
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Re: Firing The Thunder Mug on the 4th of July

Post by JimT »

Scott Tschirhart wrote: Fri Jul 05, 2024 6:24 pm Hmm? Is that about the size of a golf ball?
Never tried it. Should be close. Bore is real close to 1 1/4".
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Scott Tschirhart
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Re: Firing The Thunder Mug on the 4th of July

Post by Scott Tschirhart »

Google says a golf ball is 1.68 inches in diameter.
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JimT
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Re: Firing The Thunder Mug on the 4th of July

Post by JimT »

Scott Tschirhart wrote: Fri Jul 05, 2024 6:51 pm Google says a golf ball is 1.68 inches in diameter.
I bet my 2 pound hammer could make it fit! :lol:
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GunnyMack
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Re: Firing The Thunder Mug on the 4th of July

Post by GunnyMack »

1 ¹³/¹⁶" bore is needed BUT you'll need to patch it! :lol:
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Ysabel Kid
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Re: Firing The Thunder Mug on the 4th of July

Post by Ysabel Kid »

I was out of town for Independence Day, so I did not get to use my golf ball mortar. It is a hoot!
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Bill in Oregon
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Re: Firing The Thunder Mug on the 4th of July

Post by Bill in Oregon »

The golf ball mortars here are tempting and so is the thunder mug. I hadn't realized the latter actually had a purpose in the age of sail.

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