DEADLY Mountain Gun Explosion

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John and Ed proof-test a British 7-pounder cast steel rifled mountain gun. The target is a half-inch-thick steel plate backed by 3 heavy concrete blocks. 10 ounces of FG black powder were loaded behind an inert 12 pound Navy Mk 29, 3-inch diameter armor-piercing projectile. The cannon barrel weighs about 250 lbs; test carriage weighs about 200 lbs. The entire 450 lb. system recoiled about 8 feet after this shot. The charge and projectile weights were intentionally in excess of the weapons's original design specifications, to provide a proof load to ensure the weapon is sound for further firing. Prior to this shot, the weapon had not been fired in over a century. The shot was planned so the transfer of momentum would remove all energy from the projectile and deposit it at the target, for safety reasons. Careful inspection after the shot revealed no damage to the weapon. The projectile's thin steel windshield was vaporized, but otherwise the projectile was intact. The target did not survive. Nothing really "exploded" in this test, the cannon discharged normally, but the "e" word looked better in the title.

Category:

Travel & Events

Tags:

• explosion
• shooting
• cannon
• boom
• blackpowder
• gun
• bomb
• fireworks
• launch
• artillery

[SbarFSakima]

I've always been interested in historical weapons. Thank you for posting your videos. I have 2 questions: How much does a cannon like this cost; and what type of license do you need in order to own one legally?

[cannonmn]

@SbarFSakima In the US the item is an antique, not a "firearm" so there are no laws for or against it, no papers required as long as it was manufactured before 1899. I have that one for sale (barrel, not mounting) for $6000. US.

[SheCantFan]

being a NPS ranger, intentionally over charging anything is extremely dangerous and results can be deadly. when firing a historic weapon of any kind, you should first start off with a smaller charge, then move up to normal. that said, i have only once accidentally overcharged a 10 pounder with a 12 pound charge.

[cannonmn]

You are correct. Prior to that shot, we had fired this piece about 30 times with various charges, working up to what we loaded for this shot.

[NJPurling]

Where the hell did the steel plate go?

[cannonmn]

A hunter found it in the woods a month later, now shaped like a little tent.

[weeardguy]

LOL! 'We're trying to sleep up here!' (0:53)

[ekoukano]

Hahahah! "We're trying to sleep up here!"

[Snoep76239]

I wish I lived next door. Booms lull me to sleep...

[mrkilla1990]

rip headphone users

[IMBASSFISHIN]

thumbs up if you heard the guy say were trying to sleep up here at o:53 LMAO

[snipereliete]

were trying to sleep.not likely.that was an awsome video.im researching the M40a1 recoilless rifle and just came across this video.the power of this thing is unbelievable.also.would you yell at someone to be quiet when they are firing a huge cannon.must have no fear that guy.id be takn cover or running not yelling shit.Funiest shit ive seen today.thanks

[PflGlace]

Sick lol

[alexp9999]

he'd have better luck trying to sleep somewhere a bit quieter, a bit more peaceful...like a demolition site =D

[62rome]

God bless America........

[raflo2105]

WEEERRREEEEE TRRRYYYINNNNGGGG TO SLLLLEEEEPPPP DOOOOWNNNN HEREEEEE (SLO-MO LOL) 1:53