第4.8.3.4节明明有写结论: Any large build up of debris left on the internal walls of the musket barrel after firing known as barrel fouling may have an effect on the ballistic properties of the musket ball as the internal diameter would be reduced. It could also cause loading problems if the clearance between the barrel and musket ball is too tight. Tests were carried out to observe the effects of barrel fouling. 射击後留在火枪枪管内壁上的任何大量碎屑都会影响火枪的弹道性能。如果 枪管和火枪子弹之间的间隙过小，也会造成装填问题。我们进行了测试，以 观察枪管结垢的影响。 所以合口的枪明明容易塞枪管呀，但游隙大的枪就不怕黑火药残渣跟弹丸碎片塞枪管。 With such a large clearance, the effect of barrel fouling was insignificant. The musket ball could always be slid into the barrel with ease for all ten shots fired. No substantial build up of residue was noted in the barrel. However, it is known that barrel fouling was a problem with 17th Century weapons (see Chapter 2), which is why they had such a large amount of clearance. It is highly likely that the 17th Century powder was not as refined as the powder used in this research and had greater amounts of contaminants compared to modern powders. A high speed Phantom camera was used at 40,000 frames per second to record large amounts of debris exiting the barrel as shown in Figure 4.19. It is not clear if this was debris from the previous shot being expelled or burning propellant grains, or a combination of both. 有了这麽大的间隙，枪管堵塞的影响就微乎其微了；火枪十发子弹都能轻松滑入枪管。枪 管堵塞是 17 世纪武器的一个问题（见第 2 章），这就是为什麽它们有如此大的间隙； 17 世纪的黑火药很有可能不如现代火药，与现代火药相比，杂质含量更高。 资料出处给了，结论也写，自己不看，只会批评我造假。 --

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