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Okay, let’s try this again. (sh.itjust.works)

submitted 3 months ago by [email protected] to c/[email protected]

26 comments fedilink hide all child comments

In 1862, Georgia dentist, builder, and mechanic John Gilleland raised money from a coterie of Confederate citizens in Athens, Georgia to build the chain-shot gun for a cost of $350. Cast in one piece, the gun featured side-by-side bores, each a little over 3 inches in diameter and splayed slightly outward so the shots would diverge and stretch the chain taut. The two barrels have a divergence of 3 degrees, and the cannon was designed to shoot simultaneously two cannonballs connected with a chain to "mow down the enemy somewhat as a scythe cuts wheat". During tests, the Gilleland cannon effectively mowed down trees, tore up a cornfield, knocked down a chimney, and killed a cow. These experiments took place along Newton Bridge Road northwest of downtown Athens. None of the previously mentioned items were anywhere near the gun's intended target.
r*ddit

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[–] [email protected] 6 points 3 months ago (3 children)

The only reason we know the right answers are because people like this weren't afraid to try new things and find out what doesn't work.

If you're gonna dunk on the man, do it because he was a Confederate.

[–] [email protected] 2 points 3 months ago

Or that he failed at convincing them to get funded more. I feel like a fleet of Virginia-like ironclads with twin-guns could've sank their pockets for good.

[–] [email protected] 1 points 3 months ago

I find myself repeating some version this sentiment every now end then: There are good reasons to hate (whoever the conversation is about), but this ain't one. We don't need to grasp at straws when there are solid branches.

[–] [email protected] 0 points 3 months ago (1 children)

Exactly. He wasn't dumb, he just didn't know the right people. Investment in innovation like this could have been devastating.

[–] [email protected] 2 points 3 months ago

Experimentation is good, but I don't think this idea was destined to go anywhere.

The design is a more complicated way of firing chainshot. While chainshot is certainly going to be devastating to a person it hits, the primary historical use was for taking out masts and rigging on ships. That's what it was best at.

To take on infantry, canister of grape shot is more ideal and practical.

This idea is like in the modern day if somebody proposed an APFSDS firing gun to use against infantry, but also it has a slower rate of fire than current tank guns. Sure, it will kill the infantry it hits, but there isn't really a reason to pursue it.

[–] [email protected] 1 points 3 months ago (2 children)

During tests, the Gilleland cannon effectively mowed down trees, tore up a cornfield, knocked down a chimney, and killed a cow

So, it worked?

[–] [email protected] 1 points 3 months ago (4 children)

None of the previously mentioned items were anywhere near the gun's intended target.

Reading is hard.

[–] [email protected] 2 points 3 months ago (2 children)

Which isn't necessarily an issue if your goal is to hit somewhere in a line of charging infantry. Why you wouldn't just use canister shot is beyond me, but accuracy isn't much of an issue if your target is an entire enemy formation.

[–] [email protected] 1 points 3 months ago

It's an issue if you need the chain to be stretched across parallel to the side by side group of soldiers charging at you.

[–] [email protected] 1 points 3 months ago

I don't think you realize how much they missed by:

"On its second firing, the chain shot across the horizon and into a thicket of pine."

So, you'd miss the entire army you were shooting at, and hit a nearby forest.

[–] [email protected] 1 points 3 months ago

Kindness is also hard (and takes practice). I believe in both of our abilities to keep improving!

[–] [email protected] 1 points 3 months ago (2 children)

Hey, it hit what was in front of it. The solution to the being "randomly inaccurate" problem is more of them!

[–] [email protected] 1 points 3 months ago

Solution: aim the Gilleland cannon at what you don't want to hit, then fire!

[–] [email protected] 1 points 3 months ago

Unless one barrel misfires, then it hits whatever is standing next to it.

[–] [email protected] 1 points 3 months ago

Poor cow

[–] [email protected] 1 points 3 months ago

Gilleland's invention was a failure. When it was first tested on 22 April 1862, it was aimed at a target of two upright poles. Uneven combustion of the powder and casting imperfections in the barrels gave the connected balls a spinning movement in an off-center direction, with witnesses reporting that on its first firing it "plowed up about an acre of ground, tore up a cornfield, mowed down saplings, and then the chain broke, the two balls going in different directions".

On its second firing, the chain shot across the horizon and into a thicket of pine. "[The] thicket of young pines at which it was aimed looked as if a narrow cyclone or a giant mowing machine had passed through," reported another witness.

On its third firing, the chain snapped immediately and one ball tore into a nearby cabin, knocking down its chimney; the other spun off erratically and struck a nearby cow, killing it instantly. Gilleland considered the test-firings a success.

The inventor seemed to think so.

The wikipedia article about it.

[–] [email protected] 1 points 3 months ago (1 children)

I’m guessing the main problem is the two barrels never detonate at the same instant, so the chain flings the shot wildly somewhere in the forward field of fire.

Regular chain shot packs the projectile in a single barrel.

[–] [email protected] 1 points 3 months ago (2 children)

If I recall I don't think barrels and balls were precision machined so there would always be "windage" or some sort of gap between the ball and barrel. So not only the timings as you identify, but also differences in force between the balls due to windage and charge.

[–] [email protected] 2 points 3 months ago* (last edited 3 months ago) (1 children)

Those are the same issues that led to my third child being conceived.

[–] [email protected] 0 points 3 months ago (1 children)

I need more details please

[–] [email protected] 2 points 3 months ago

A dead cow was involved, but nowhere near the intended mother.

[–] [email protected] 1 points 3 months ago* (last edited 3 months ago) (1 children)

I remember that with some cannons the fit was so sloppy you had to wrap the ball in rags or pack it in straw to get it to go any distance at all. This was just a spectacularly goofy idea from start to finish, and I love every inch of it.

[–] [email protected] 1 points 3 months ago (1 children)

The two-dollar word is sabot.

[–] [email protected] 1 points 3 months ago

Which is an old-timey French word for shoe. You're basically putting shoes on the cannonball.

[–] [email protected] 1 points 3 months ago (1 children)

3° divergence...

So, you could basically stand in front of it a few feet away and never get hit.

[–] [email protected] 1 points 3 months ago

Missed the part where the cannon balls are connected by a chain?