Fun With Stopping Power

T

Tom Griffin

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On my way out of work last Thursday I ran into the IT guy and he had an armload of hard drives. I asked what he was up to and he said that they were bad drives and he needed to drill holes in them before throwing them away. When I mentioned that I was heading up north for the holiday weekend and planned to do a bit of shooting he volunteered a few of them for "drilling" purposes. After "drilling" a few few of them, it soon became apparent that there is a great deal of difference in power between different calibers and firearms so I decided to do a little non-scientific stopping power survey and I thought you guys might enjoy seeing the results.

The first drive was victim to the venerable 1911 .45 ACP. The firearm of choice was my Officers model, which I build last year, and the cartridge was a 230 grain full metal jacket. The results were disappointing. The bullet impacted the top edge of the drive and only penetrated about halfway through. I guess that's what a heavy, slow moving round like the 45 ACP is supposed to do, but I expected more damage. The entry is shown in the pic below. I didn't bother with the exit side because there was none. All of the energy was absorbed by the hard drive and consequently it flew about 30 feet after impact.

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The second drive fell victim to my son's Remington 700 SPS varmint rifle in .223. This shot was at 100 yards and was dead center and pretty much easy in and easy out. The drive was definitely deactivated.


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Next is the 7.62 x 54 fired through one of the Mossin-Nagant rifles the boys and I received for Christmas. The rifle is a Russian bolt action, introduced in the late 1800's. There were upwards of 20 million of them produced over the years so there are plenty of them and ammo to feed them available for not much money. These rifles were $79 and 230 rounds of ammo was $72. They hit pretty hard and had no trouble penetrating the hard drive at 50 yards.


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The next images show the aftermath of the good old 30-06 fired from my M1 Garand. The damage was impressive. The entry hole was pretty much the size of the bullet but the exit was around .75 and the layers in the drive looked like they were melted together.


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Ok, now for the heavy stuff. The following pics show the result of a slug fired from a 12 gauge Remington 1100. The damage was startling to say the least, but the round penetrated the drive so some energy was wasted, unlike the final candidate.


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And the winner is.....#000 buck shot fired from a Remington 1100. The drive literally exploded and pieces flew in all directions after being impacted by the 8 .36 caliber pellets which penetrated the front of the drive and drove the three platters completely out the rear. We were only able to find two of the three platters. The third platter as well as the bearings were just gone. :shrugs:
Buck shot in a 12 gauge in my opinion is the hands down winner in the stopping power category.


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Griff,

When I get a chance I'll help out with this little experiment as I have a couple of calibers you might not have (or may), the .454 Casul, .50 S&W magnum, .338 Lapua Magnum, and .50 BMG. I have a host of other calibers but these would most likely have a more "dramatic" effect than some of my others. Now I just need to wait for a couple of my servers to take a dump. :p :biggrin:

Looks like you had some fun!

-Ron
 
Griff,

When I get a chance I'll help out with this little experiment as I have a couple of calibers you might not have (or may), the .454 Casul, .50 S&W magnum, .338 Lapua Magnum, and .50 BMG. I have a host of other calibers but these would most likely have a more "dramatic" effect than some of my others. Now I just need to wait for a couple of my servers to take a dump. :p :biggrin:

Looks like you had some fun!

-Ron

Hey Ron,

My money's on the .50 BMG.

There's nothing more fun than destroying high tech equipment with pure firepower.
I'm saving one to nail with my cannon on the Fourth of July. The slow moving .875 ball should do some serious damage.

Tom
 
.875 thats getting into cannon size i'll bet it rips it apart
oh you said cannon... duhh:thinking:
steve
 
I'll be looking forward to seeing the aftermath of the cannon shot. :biggrin:

-Ron
 
Nothin more fun then bring productive and destructive together.
 
So Tom,
You going to change your sig line now? I'm thinking...

Ssshhh, I'm hunting compwuters.

Cheers Phil
 
So Tom,
You going to change your sig line now? I'm thinking...

Ssshhh, I'm hunting compwuters.

Cheers Phil


Lol Phil.

No, but maybe an Elmer Fudd avatar would be appropriate.

Tom
 
Generally I use a screwdriver to open up HDDs to get the magnets out of. Although, I have been known to feed them to the chop saw. Each to their own I guess!

I'd like to see one of those sent back to the manufacturer for a warranty claim. The written tech report and response would be worth the time an effort.

Ron - I'd like to see what your Barrett .50 would do to one.

That would be a hoot! :lmao:

Hopefully I'll get a chance during the summer to try it out.

-Ron
 
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