What size Bomb is equal to a 16" HE shell?

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Wanderer
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What size Bomb is equal to a 16" HE shell?

Post by Wanderer »

I always pondered that question. So what size bomb in pounds or Kilo is eqaul to a 16" HE shell?
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Re: What size Bomb is equal to a 16" HE shell?

Post by Aaron »

Wanderer wrote:I always pondered that question. So what size bomb in pounds or Kilo is eqaul to a 16" HE shell?
According to this wiki article the weight of an Iowa class broadside is 24,300 lbs, divide that by nine guns and you get 2700 lbs. So the closest bomb equivilant I believe is the 2,000lb bomb.
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Re: What size Bomb is equal to a 16" HE shell?

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Cpl Kendall wrote:
Wanderer wrote:I always pondered that question. So what size bomb in pounds or Kilo is eqaul to a 16" HE shell?
According to this wiki article the weight of an Iowa class broadside is 24,300 lbs, divide that by nine guns and you get 2700 lbs. So the closest bomb equivilant I believe is the 2,000lb bomb.
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Post by Beowulf »

A high-capacity 16" shell had 153.5 lbs of explosive, or less than a 500lb bomb, which 45% explosive by weight.
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Post by Wanderer »

Beowulf wrote:A high-capacity 16" shell had 153.5 lbs of explosive, or less than a 500lb bomb, which 45% explosive by weight.
How big would the blast radius be?
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Post by Shortie »

Wanderer wrote:
Beowulf wrote:A high-capacity 16" shell had 153.5 lbs of explosive, or less than a 500lb bomb, which 45% explosive by weight.
How big would the blast radius be?
Not that big compared to a 2000lb bomb (although of course the danger zone is still pretty large), but you can get some huge penetration, which you'd need a pretty specialised bomb for.

In general though BBs are pretty crap at HE delivery, nor is the ROF all that great.
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Post by phongn »

I don't think you'll get very good penetration with a 16" HE round since so much of it is steel.
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Re: What size Bomb is equal to a 16" HE shell?

Post by Beowulf »

Cpl Kendall wrote:
Wanderer wrote:I always pondered that question. So what size bomb in pounds or Kilo is eqaul to a 16" HE shell?
According to this wiki article the weight of an Iowa class broadside is 24,300 lbs, divide that by nine guns and you get 2700 lbs. So the closest bomb equivilant I believe is the 2,000lb bomb.
The 2700lb rounds are Armor Piercing rounds. They have roughly 40lbs of explosive each, or to put it another way, have less explosive than a 1000lb bomb, for the entire broadside.
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Re: What size Bomb is equal to a 16" HE shell?

Post by Aaron »

Beowulf wrote:
The 2700lb rounds are Armor Piercing rounds. They have roughly 40lbs of explosive each, or to put it another way, have less explosive than a 1000lb bomb, for the entire broadside.
Ahh that makes sense the article doesn't say anything about that. One of the perils of using Wikipedia as a source I guess.
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Re: What size Bomb is equal to a 16" HE shell?

Post by Wanderer »

Beowulf wrote:
Cpl Kendall wrote:
Wanderer wrote:I always pondered that question. So what size bomb in pounds or Kilo is eqaul to a 16" HE shell?
According to this wiki article the weight of an Iowa class broadside is 24,300 lbs, divide that by nine guns and you get 2700 lbs. So the closest bomb equivilant I believe is the 2,000lb bomb.
The 2700lb rounds are Armor Piercing rounds. They have roughly 40lbs of explosive each, or to put it another way, have less explosive than a 1000lb bomb, for the entire broadside.
Converting that broadside to HE Shells, how much explosive is being thrown out.
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Re: What size Bomb is equal to a 16" HE shell?

Post by Beowulf »

Wanderer wrote:Converting that broadside to HE Shells, how much explosive is being thrown out.
9 shells x 155 lbs ~= 1500 lbs. Or about 3 1000lb bombs. These would be the high capacity shells I first mentioned.
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Post by Sea Skimmer »

Artillery shells inflict most damage by high speed fragmentation even in the case of high capacity bombardment rounds. Because of that a direct comparison with Mk80 series General Purpose bombs will never be accurate. An artillery shell with more then about 10% explosive by weight is a very rare thing.
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Post by Andras »

a 16" high capacity shell weighs 1900lbs.

Some WWII naval games compare it to the 1600lb SAP bomb.

WWII AP bombs had IIRC 15% HE by weight.
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Post by Shortie »

phongn wrote:I don't think you'll get very good penetration with a 16" HE round since so much of it is steel.
Yeah? I thought that exactly that would get it a decent distance through earth say (assuming the fuse is set correctly) compared to your average iron bomb. I'm happy to be corrected though.
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