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B-17G Cutaway

Old Threads Discuss B-17G Cutaway in the Old Stuff forums; Yeah, it would have been immensely tough. But the 30mm shells the Germans used in their interceptors were terribly lethal....


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Old 05-12-2004, 01:48 PM   #151
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Yeah, it would have been immensely tough. But the 30mm shells the Germans used in their interceptors were terribly lethal.
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Old 05-12-2004, 01:52 PM   #152
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It depends where you hit it, if those 30mm punish the wing roots the wing could just fall off.
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Old 05-12-2004, 01:53 PM   #153
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Or a fuel tank.
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Old 05-12-2004, 02:08 PM   #154
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but this thinh was huge, it would be prettu tough, and it had something like 20 cannon with better sights, it would be bloody tough
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Old 05-12-2004, 02:10 PM   #155
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Being bigger is a bigger target. And if you have a Me-262 coming at you at high speed your slow firing cannon isn't going to do much because the Swallow will be bloody hard to hit.
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Old 05-12-2004, 02:27 PM   #156
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but even if you did hit a fuel tank, it had a range of 10,000 miles, it's not gonna miss a bit of fuel...............
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Old 05-12-2004, 02:30 PM   #157
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I was talking about the Fuel tank exploding.

The B-36 carried 16 20mm cannons. Now, over Korea, B-29s with .50cal mg took their toll on MiG-15s (one actually became a MiG Ace shooting down 5). It seems reasonable that the B-36 would have shot down alot of Me-262s.
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Old 05-12-2004, 02:42 PM   #158
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.50 cals are a lot faster firing than 20mms. The cannon would have been hard pressed to get a hit. Losing fuel would have taken its toll on even a plane as big as that, and yes exploding would have been quite bad.

The B-29s in Korea was made obselete the Mig-15s ripped them apart.
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Old 05-12-2004, 02:49 PM   #159
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I know that but I was discussing their defensive argument. If the B-29 could shoot down MiG-15s, then the B-36 would have been capable of shooting down Me-262s. The lower rate of fire means few hits, but the greater power of the 20mm shell compensates for that.
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Old 05-12-2004, 02:50 PM   #160
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Not really since it was hard enough hitting fighters with machine guns, let alone cannons. If you can't hit it, you don't do damage.
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Old 05-12-2004, 02:53 PM   #161
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I would need to check, but I don't think the rate of fire of the cannons on the B-36 was that far below that of the B-29's machine guns. And shooting down a fighter with .50cals would require several hits. Say that a cannon has a rate of fire 2/3s that of a machine gun. It will (in theory) still achieve 2/3 as many hits which will be more deadly than the machine gun.
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Old 05-12-2004, 02:56 PM   #162
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But that's theory, no evidence. The cannons would be hard pressed to hit the fighters.
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Old 05-12-2004, 02:58 PM   #163
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There's no evidence because the B-36 never had to take a shot at enemy fighters. But since the USAF switched from machine guns to cannons I'm going to guess the guys in the know expected them to be effective.
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Old 05-13-2004, 12:01 AM   #164
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That's not always true. Unless they were multi-barreled 20mms then firing rate would not be increased to that of the 12.7mm. The Tu-4 had 23mm cannons, but that is the Soviets thinking of heavier firepower is better.
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Old 05-13-2004, 02:21 AM   #165
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Well the .50cal Browning's rate of fire wasn't that impressive. I think the 20mm would have been able to put out enough fire. The Mk. V Hispano gun had a rate of fire of around 700-750rpm and that was pretty much equal with a Browning.
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