Weight of fire

Hunter368 · Jan 9, 2006

This I have always wondered about. What plane had the heaviest weight of fire in a 2 sec burst? Weight of fire meaning = most devastating fire. ME262 ? I want two answers here:
1) Heaviest weight of fire for any plane meant for air to air combat (not ground attack planes). (anti bomber killer sure)
2)Heaviest weight of fire for any plane meant for air superiority (this would be more just purely air superiority fighter not a bomber killing).

No rockets here, give us one allied and axis plane for both 1, 2.

Dogwalker · Jan 9, 2006

Probably is the Me262A-1a, with 12.5 Kg per second of fire, and the second colud be the TA-152H-1, with 5,9 Kg
On the other hand, the first had only eight and ten seconds of fire with the two couples of gun, and the Ta-152, 9 seconds of fire with the MK 108, and 14 seconds with the two 20 mm guns.

DogW

KraziKanuK · Jan 9, 2006

Weight of shot for a 3 sec burst

Dora 9 - 26lb (2 20mm, 2 13mm)
F6F - 16lb (6 0.50")
Tempest - 40lb (4 20mm)
Yak 3 - 20lb (1 20mm, 2 12.7mm)
Me262 - 96lb (4 30mm)
Me109E - 13lb (2 20mm, 2 7.9mm)

Have more but do you think I can find the scans now.

Parmigiano · Jan 9, 2006

Here is a comprehensive table

http://www.geocities.com/CapeCanaveral/Hangar/8217/fgun/fgun-ta.html

With some analisys it is possible to extrapolate weight of fire of some missing version (es: FW 190A8 - 2x12.7 + 4xMG151 = 6.7 Kg/s)

happy reading

cheddar cheese · Jan 9, 2006

What about a P.108A firing 102mm shells? I should think they weigh a lot

Gnomey · Jan 9, 2006

Interesting site Parm, bookmarked it. I spotted one error though, Spitfires weren't first delivered in July 1936 it was in July 1938.

the lancaster kicks ass · Jan 9, 2006

was that gun actually ever fired in anger??

Hunter368 · Jan 9, 2006

Very cool, interesting site to. Thanks

plan_D · Jan 9, 2006

Lanc, it was Italian. Italians don't get angry, they're lovers not fighters.

cheddar cheese · Jan 9, 2006

the lancaster kicks ass said:
was that gun actually ever fired in anger??

Nope, the first and I think only time it was fired it riped the front of the plane off and had to make an emergency landing

the lancaster kicks ass · Jan 9, 2006

i see

Parmigiano · Jan 9, 2006

Lanc, it was Italian. Italians don't get angry, they're lovers not fighters

Yup, it was originally intended to export money to Switzerland cheating on the Customs officers: plan was to load the ammo with money, fly above the alps and shoot at a purposedly designed Swiss bank caveau.

Traditional methods of hiring locals to walk over the border at night proved more effective and less expensive.

loomaluftwaffe · Jan 12, 2006

well SOMEONE has been drinking alot last night, 'cause i think they were crazy, only one who has been drinking, or werse can be crazy enough 2 think that

Parmigiano · Jan 13, 2006

Loom, if it was for me the sad thing is that I did not drink...
And even more sad I have lost my good arm at drinking, can't stand the quantity I used to when I was young and bold...

Could be a justification to say that I wrote it after the preparation of the year end financial report?

bobbysocks · Sep 5, 2012

talk about resurrecting a zombie thread......

i found this on another forum and started to do research to find the vaules for more ww2 ac. the one geocity site above is dead...and some of the values listed above differ from what i have found but this is what i have so far...

Weight of Fire, 3 Second Burst

1940

Spitfire Mk I
8x .303 mg
4.5 kg (10lb)

Bf 109 E
2x 7.9mm mg
2x 20mm cannon
8.1 kg (18lb)

1942

P-47 Thunderbolt
8x .50in mg
9 kg (20lb)

Hawker Typhoon
4x 20mm cannon
15.8 kg (35lb)

Bf 109 G
2x 13mm mg
3x 20mm cannon
15.8 kg (35lb)

1944/45

FW 190 A-4
2x 7.92mm mg
4x 20mm cannon
16.8 kg (37lb)
2x Wgr 21 210mm rockets
82 kg (180lb)

Me 262
4x 30mm cannon
16.8 kg (37lb)
24x R4M 55mm rockets
24 kg (53lb)

found this site as well :

WORLD WAR 2 FIGHTER GUN EFFECTIVENESS

davebender · Sep 5, 2012

"Weight of Fire" has little meaning for a fighter aircraft. Perhaps you were thinking of battleships.

Bernhart · Sep 5, 2012

you talking just fighters or include the b25s with the six, eight gun packets, or the 75mm gun? or maybe the mossie?

bobbysocks · Sep 5, 2012

i was thinking mostly fighter ac....but it should apply to any ac that can concentrate its firepower on a central target.

Messy1 · Sep 5, 2012

Be interested in the specially outfitted B-25's as mentioned earlier, and also the original weapons configuration of the P-61.

davebender · Sep 5, 2012

Centerline mounted weapons are inherently more effective then wing mounted weapons due to convergence and wing flexing. Loss of effectiveness increases as weapons are placed further from the fuselage.

Generally speaking, explosive filler in cannon shells causes more damage then impact of the projectile itself. HE filler quantity varies greatly depending on who made the shells. Germany was famous / infamous for producing 20mm and 30mm shells with more HE filler then everyone else. 20mm Minengeschoß don't weigh more then 20mm solid shells but you will notice the difference 18g of HE filler makes when it blows a 2 foot hole in your aircraft wing.

These are the reasons I think "Weight of fire" is meaningless when calculating aircraft firepower.

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