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May 26, 2005

Sigh. When will they *I* ever learn?

What have I learned today?

That I'm a slow learner.

That I will never compete with Neffi regarding bayonets. But not for the reasons you think.

The Staff at Cushing Memorial Hospital are *very* nice.

When you're the Armorer, even little arteries can spurt several feet.

Remember this post?

Well, I'm a slow learner.

Seven, yes, seven stitches.

Sigh. I'm an idiot.

But! But! Nice staff at hospital aver that hydrogen peroxide would clean the blood off of my nice pants.

They were right.

The *very* nice staff sent this note home:

Dear Mrs. Donovan,

While we thoroughly enjoyed your husband's visit today, we feel that perhaps the Castle Household needs some more adult supervision.

In the future, if you are going to be gone for any length of time, and your son Andy is going to spend his time with his friends in Lawrence, *please* lock up all the sharp pointy things at the Castle.

Frankly, Mrs D, your husband can't be trusted with sharp objects.

Hope your trip to London was fun,

Warm Regards,

The Emergency Room Staff.

PS. We're serious. *Seven* stitches. Oh, and don't forget the knee pads and helmet, too!

Sigh. I think I'll take tomorrow off.

Update: As Were-Kitty and Boquisucio point out- it's an epidemic!

The Brits, it would seem, are keeping tabs on the Armorer and RedSix... well I fooled them! The kitchen knife I used wasn't that long! So there! Hat tip: Confederate Yankee!

Heh. Once again the Denizens are trying to steal my thunder in the comments. No fair, guys - I'm typing one-handed, waiting for the drugs to kick in.

Anyway, sorry Boq - not the cartridge, simply the projectile. And it's the Navy-produced projo for the Army 3inch antitank gun, discussed elsewhere around here, though I'm too lazy to go look right now.

Here it is. The hole in it is the official demilitarization action. That is in the 'ballistic cap' part. The ballistic cap is light sheet steel, intended to improve the aerodynamics of the round.

This is a different view. This is a tracered (glowing phosphorous in the base, so the gunner can follow the projo in flight), armor piercing round with a small charge of Composiiton B (this round, being demilled, has no tracer or Comp B, *John*). The actual part of the round that was to do the piercing was pointed and hardened- but during the war they discovered that solid or semi-solid shot like this would deflect when the round hit sloped armor. So, they put a cap on the projo, the purpose of which was to keep the round in place as it hit sloped armor - the 'cap' has a much blunter profile and is not hardened, so it tends to deform as it hits and the actual damage-producing part passes through, slightly lubricated by sublimated superheated material from the cap. That is what you see in the picture below. I can't take off the cap without a lot of effort - and then it won't stay on, so trust me about the pointy part...

Anyway, this was in a very tight cardboard tube. I was being careful (reeeely!) with the knife... when the blade hit the spiral of the cardboard wrap.... which diverted the knife... into my hand.

Sigh. What the heck, semi-gun-porn!

Update: Boquisucio, Commander of the Moat Fleet and Castle Latin Grammarian, asked in an email whether or not Zirconium Oxide, vice Phosphorous, was used in tracer compounds. Well... I dunno about Zirconium Oxide, but he's prolly right in re phosphorous, given that we use red and white phosphorous as screening agents (smoke screens)... I did find a corporate website that showed what mil-standard chemicals they provided for modern tracer use:

Tracers The tracer composition is used mainly in small arms ammunition for spotting, incendiary and fire control purposes. The light produced by the burning tracer composition is used for tracking.

IPI manufactures the following materials that are used in the production of tracer compositions:
Barium Nitrate, MIL-B-162D
Barium Peroxide, MIL-B-153A
Calcium Resinate, MIL-C-20470A
Coating Compound (Bituminous Solvent Type, Black), MIL-C-450
Magnesium-Aluminum Alloy Powdered, JAN-M-454
Magnesium Powder, MIL-M-382C
Polyvinyl Chloride, MIL-P-20307A
Strontium Nitrate, MIL-S-20322B
Strontium Peroxide, MIL-S-612B
Vinyl Alcohol Acetate Resin Solution (VAAR), MIL-V-50433

That's at least a partial list of what is currently in use... I'm not that motivated to find out what was used in the past!

John | Permalink | Comments (50) | I'm an idiot...
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