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#71412
Egy kinti fórumon írták, hogy a briteknél a Chally és Chieftain tankoknál valami három elemből álló lőszer van, de ennek ellenére a tüzelési sebesség gyak. azonos a M1/Leo2-höz. Nem vágom, hogy hogyan és miért. Magyaráztak valami lap loadoingot és linkelték ezt a videót, de esküszöm nem értem, hogy mit akarnak mondani.
3:12-től.
The rounds are 3-piece ammunition. Everybody thinks of them as two — really, it's technically three.
First part is the projectile. Now, if it's an inert round, like the armor piercing, they're scattered around inside the turret, in the bustle, close to hand. Explosive rounds, such as HESH, would usually be stowed in a safe position below the turret ring.
Now, the next part of it was your propellant charge. These were bagged charges; the entire charge would be consumed. They were stowed in armored bins around within reach of the loader.
The third part was the vent tube. It looked a lot like a 50-caliber blank round, and this was basically the primer. They were fed through a 10-round magazine, so the loader generally only had to load projectile and charge, arm the cannon, and his job was done. Now, every tenth round, he would have to change the magazine out, as well.
There are a couple advantages to this. One was there were no spent casings lying around because all that was left was the little 50-cal-type, the vent tube.
The other advantage was that you could now lap load. 105[mm]s, this wasn't a problem, either. Now, what lap loading is, is you are holding the next round in your hand, ready for the gun to fire. As soon as it fires, you throw the next round in, you're loaded, and while the gunner is servicing the target, you grab the next round.
This is not permissible with modern smoothbore 120[mm] ammunition because the shell casing will consume itself in the process of firing. It is somewhat combustible — it is dangerous to lap load your rounds. With the 3-piece ammunition, however — especially if you're firing fin rounds — you could lap load because there's nothing to explode if you're holding the projectile. So, as soon as the breech is open after recoiling, you can immediately throw in the next shell, and not have to worry about ammunition doors to open or anything else like that. Then, the bagged charge is very small and light — at least compared to an entire round — so it doesn't take [the loader] all that long to grab that out of stowage and throw that in afterwards.
So, in practical terms, the rate of fire of the multiple-piece ammunition in the British tanks is actually about the same as that of a one-piece ammunition on, say, a Leopard 2 or M1. And of course, bear in mind, this came out 20 years before the Abrams.
Utoljára szerkesztette: molnibalage83, 2015.10.22. 15:23:26