Thirty-plus years of making the L-frame revolver have now passed into history. The maker updated the basic revolver in several ways. One of the most innovative upgrades was the development of a seven-shot .357 Mag. cylinder. I can't quite figure out how the company was able to equally space seven chambers around a 360-degree cylinder (360 divided by 7 equals 51.428571...) but they did, because I have fired a lot of varied ammo from them in various models. The seven-shot variant is known as the 686 Plus.
希望那个版上发文的都是文理工精通的高手。
但就这一段话来看,他懂数学但对机械加工不太懂。
I can't quite figure out how the company was able to equally space seven chambers around a 360-degree cylinder (360 divided by 7 equals 51.428571...)