Author Topic: hispano 20mm  (Read 1657 times)

Offline df54

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hispano 20mm
« on: June 08, 2009, 05:57:59 PM »
 

  what is the effective range of the hispano 20mm cannon.

Offline moot

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Re: hispano 20mm
« Reply #1 on: June 08, 2009, 06:21:02 PM »


a bit under one point five thousand yards at rest.
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Offline df54

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Re: hispano 20mm
« Reply #2 on: June 08, 2009, 06:31:08 PM »
 

   are we talking max range are the range at which a plane will sustaine damage.

Offline moot

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Re: hispano 20mm
« Reply #3 on: June 08, 2009, 06:44:48 PM »
   planes sustaine damage at all ranges withine the max range because the hispano 20mm cannone rounde contains explosive in additione to any kinetique energy transfered on impacte.
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Offline maddafinga

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Re: hispano 20mm
« Reply #4 on: June 08, 2009, 09:34:20 PM »
   planes sustaine damage at all ranges withine the max range because the hispano 20mm cannone rounde contains explosive in additione to any kinetique energy transfered on impacte.

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Offline SPKmes

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Re: hispano 20mm
« Reply #5 on: June 09, 2009, 02:07:20 AM »
I've knocked wings off at 1000 and also insta death at about the same range (pilot hit)

Offline BaldEagl

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Re: hispano 20mm
« Reply #6 on: June 09, 2009, 08:24:30 AM »
You can do damage with both Hispanos and 50mm's at 1000 yards if you can hit.
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Offline SKJohn

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Re: hispano 20mm
« Reply #7 on: June 09, 2009, 09:03:18 AM »
You can do damage with both Hispanos and 50mm's at 1000 yards if you can hit.


50 mm's?!  What planes has 50 mm's?  I've heard of 20, 23, 30, 37 and 40 mm cannon, but never the 50 mm's.

Offline Ruah

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Re: hispano 20mm
« Reply #8 on: June 09, 2009, 09:17:02 AM »
I think he means .50 cals

also, Hispanos are good out to 1k in my experience but if you can defelect that far without unloading 50 rounds. . . then you are a better shot then I am.

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Offline BaldEagl

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Re: hispano 20mm
« Reply #9 on: June 09, 2009, 10:09:03 AM »

50 mm's?!  What planes has 50 mm's?  I've heard of 20, 23, 30, 37 and 40 mm cannon, but never the 50 mm's.

I meant .50 cals.  Ballistically they and the Hispanos are very close.
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Offline GenMata

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Re: hispano 20mm
« Reply #10 on: June 12, 2009, 02:58:44 PM »
It seems to me 20mm cannons do much more damage than the same amount of 50cal bullets.
But I'm a terrible shot.

Offline fuzeman

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Re: hispano 20mm
« Reply #11 on: June 12, 2009, 03:17:27 PM »
It seems to me 20mm cannons do much more damage than the same amount of 50cal bullets.
But I'm a terrible shot.


As mentioned above, cannon rounds explode, as opposed to just hitting and damaging the target with impact velocity / kinetic energy. Therefore a cannon round would do more damage than a 50 cal, generally speaking.

As a reference: http://trainers.hitechcreations.com/guns/guns.htm
Damage from each  (Based on 1/1000th of a 1K bomb)
.50 cal M2 AC   :  1.1716
20mm Hispano  :  4.0300
« Last Edit: June 12, 2009, 03:21:46 PM by fuzeman »
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Offline Karnak

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Re: hispano 20mm
« Reply #12 on: June 12, 2009, 04:12:08 PM »
It seems to me 20mm cannons do much more damage than the same amount of 50cal bullets.
But I'm a terrible shot.

Even leaving aside the explosive content, a Browning .50 cal has about 17,000 joules of energy at the muzzle where a Hispano Mk II has about 49,500 joules at the muzzle.

The US Navy also concluded that a single Hispano II (M2 20mm cannon in US service) had as much firepower as a bank of three Browning .50 cals.  That isn't one 20mm round being worth three 50 cal rounds, it is one cannon at 10 rounds per second being worth three guns at 36 rounds per second.
« Last Edit: June 12, 2009, 05:07:14 PM by Karnak »
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Offline doleboy

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Re: hispano 20mm
« Reply #13 on: June 12, 2009, 04:14:52 PM »

a bit under one point five thousand yards at rest.
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Offline BaldEagl

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Re: hispano 20mm
« Reply #14 on: June 12, 2009, 05:56:20 PM »
To be clear I wasn't talking about how lethal each was, simply how they fly once out of the muzzel.
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