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  1. #1
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    TKB-539 Revolver Cannon

    In the late '50s an experimental fighter aircraft called the Mikoyan Ye-152-1 was produced. It was an absurdly sophisticated machine for the time, capable of Mach 2.8+. It was fitted with either 2 TKB-495 or 2 TKB-539 revolver cannons. The TKB-495 fires the 23x115mm and is nothing special. However the TKB-539 was a 30mm, 4 chamber revolver cannon with a fire rate of 2000rpm and a muzzle velocity of ~3300fps (1000m/s). Left in below pic:

    makarov1.jpg

    Does anyone know what round it fired? 30x155mm? 30x165mm?

  2. #2
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    In the late 1950's it could not have been the 30x165 which did not exist at that time. With a Vo of 1000 m/s we can also exclude the 30x155B and sowith this gun must have used a different cartridge - likely an experimental one.

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    The obvious (although not necessarily correct) answer is the 30x210B Soviet for the NN-30 naval revolver cannon which was being tested at that time. This had an MV of 1,050 m/s (although from a much longer barrel than this one appears to have). The NN-30 could fire at 1,000 rpm, but no doubt this performance could have been souped up for aircraft use.

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    Quote Originally Posted by Tony Williams View Post
    The obvious (although not necessarily correct) answer is the 30x210B Soviet for the NN-30 naval revolver cannon which was being tested at that time. This had an MV of 1,050 m/s (although from a much longer barrel than this one appears to have). The NN-30 could fire at 1,000 rpm, but no doubt this performance could have been souped up for aircraft use.
    Thanks. I was wondering about that cartridge too. If it does transpire to be the case, it must have been quite an armament.

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    I wonder if the projectiles of the NN-30 would have been any suitable for aircraft use. Getting hands on the gun one should measure the max. width of the feed slot.

  6. #6
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    I've read elsewhere that development of the AK-630 began in 1963, so maybe the 30x165mm was about in prototype form.

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    The decision to develop a new naval gun/missile system wasn't taken until 1963, so its too late. In any case, the highest quoted MV for the 30x165 is 960 m/s from a long barrel; from the shorter aircraft gun barrels it's 860 m/s.

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    Quote Originally Posted by FPU__ View Post
    I've read elsewhere that development of the AK-630 began in 1963, so maybe the 30x165mm was about in prototype form.
    On website about history of Tula State University write that ТКБ-540, ТКБ-539 and ТКБ-532 were made in 1955-56 years

  9. #9
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    I guess it must have been the 30x210B then unless anyone can definitely specify a different round.

    Cheers.

  10. #10
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    I can't but would not put the 30x210B above any possible experimental round.

 

 

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