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Navy Seal
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The first number is the diameter of the projectile in inches, 3 inches for the 3 50 and 4 inches for the 4 50. So right away you can see that you want the 4 50. So what's the 50 number? Well that's the caliber, and in US Navy gunnery speak, the caliber is the ratio between the projectile diameter and the length of the barrel. 50 caliber means the barrel length is 50 times the projectile diameter, so the barrel on the 3 50 is 150", 12' 6" long and the 4 50 barrel is 200", 16' 8" long. You may convert all that to metric at your leisure! ![]() Quote:
It also assumes that you stay on the surface every single second your life doesn't depend on being submerged. This keeps batteries fully charged as much of the time as possible. If you are running at 9½ knots while charging batteries, those diesels are running wide freakin' open and burning as much fuel as possible to get those batteries back to snuff. You don't want that happening. Quote:
First, the aircraft will get on the radio with its aircraft buddies right away. That will bring more of the lousy things for a 24 hour period or so, looking for you. They'll cover a fairly large area of the ocean. It won't matter too much whether you change course or not. What? You gonna outrun a plane? Second, the very idea of shooting at a plane is preposterous. Here you have a cheap, mass produced plane containing one easily replaceable fly-idiot (or two sometimes) dropping bombs and shooting machine guns at you. If they hit your pressure hull once, it's over and you lost. On the other hand, your expensive, slow to produce people tube is full of 80 highly trained and motivated, difficult to replace people, (aside from you, you're easily replaced since you're dumb enough to fight this plane ![]() The odds are in the plane's favor. The downside is devastating to our war effort. If you down the plane he won't even be missed and it will make no contribution to winning the war. Heads you lose, tails they win. It's a battle you don't wanna fight. Don't be seen by aircraft. Don't fight aircraft. Use the AA guns for drying laundry. That's what they were designed for. ![]()
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