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Hey everyone! Today we’d like to share the results of our study on the documentation of automatic loaders found on the T-64/T-80 family of tanks.





Early vehicles in this series had a reload time of 7.1 seconds, while later vehicles (starting with the T-80U and T-80UD) had a reload time of 6.5 seconds. These estimates were based on technical descriptions, which stated a minimum reload time of 7.1 seconds. For later vehicles, the results were based on Greek trials with the T-80U, where it demonstrated a higher rate of fire during testing.

However, many in the community have repeatedly discussed the reload cycle diagrams of these tanks, which indicate that the full loading cycle of a shell (APFSDS, HE, HEAT) is 6.0 seconds, and for missiles 7.1 seconds (with the exception of the T-80UD, where it is indicated that all types of shells are loaded in exactly 6 seconds).

We believed these values were incorrect, as the reload cycle diagram was copied from the technical description of the Object 432 (a T-64 with a 115mm D-68 gun). However, after extensive research, we’ve concluded that the reload cycle diagrams in the technical descriptions of the T-64A, T-64B, T-80B and T-80UD are correct.













Autoloaders of the T-72 family





The documentation for the T-72 series contains reload rate diagrams for firing a shot with the conveyor rotating by three slots. However, a training manual states the loading cycle would be 7 seconds exactly if subsequent shots were placed on the loading line, so the reload time will be reduced in accordance with this manual.

Autoloaders of the VT4, VT4A1 and ZTZ99A





Certain late Chinese-made tanks have an improved autoloader, slightly speeding up certain operations. This allowed for a rate of fire of 9 rounds per minute, a rate confirmed by our team of historical consultants and publicly available operating manuals.

So, based on the results of this research, the rate of fire of the following tanks will be adjusted:

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Source: https://forum.warthunder.com/t/revising ... nks/294966