How big is a 90mm shell?
3.5 in × 23.6 in
It was capable of firing a 3.5 in × 23.6 in (90 mm × 600 mm) shell 62,474 ft (19,042 m) horizontally, or a maximum altitude of 43,500 ft (13,300 m)….90 mm gun M1/M2/M3.
| 90 mm M1 | |
|---|---|
| Length | M1A1: 29.6 ft (9.0 m) |
| Barrel length | M1: 200.13 in (5,083.30 mm) L/55 (55 caliber) M3: 186.15 in (4,728.21 mm) L/53 (53 caliber) |
What is the largest caliber rifle made?
A video posted to LiveLeak shows the largest caliber rifle ever made — a . 905 caliber. It is one of just three produced by SSK industries in Ohio. The gentlemen trying to tame this beast in the video say the recoil is equivalent to firing 10 .
Why was the M1A1 called the 90mm M1?
The wanted a weapon with a calibre of 90mm and capable of manual loading at maximum elevation. The new design was called the 90mm M1 and around two hundred were made before the improved M1A1 came into service. The M1A1 had an improved mount and breech which included a spring rammer which increased the rate of fire.
What is the M1A1 AA gun?
In 1938 the US army issued contracts for a new anti-aircraft gun, up to then the army had mainly used the 3in as their primary AA gun. The wanted a weapon with a calibre of 90mm and capable of manual loading at maximum elevation. The new design was called the 90mm M1 and around two hundred were made before the improved M1A1 came into service.
What kind of gun is a 90mm?
The 90 mm gun M1/M2/M3 was an American heavy anti-aircraft and anti-tank gun, playing a role similar to the German 8.8cm Flak 18. It had a 3.5 in (90 mm) diameter bore, and a 50 caliber barrel, giving it a length of 15 ft (4.6 m).
What is the difference between the M1A1 and the M2?
The M1A1 had an improved mount and breech which included a spring rammer which increased the rate of fire. The M1A1 became the standard 90mm anti-aircraft gun when the US entered the war. The M2 was a new design which allowed the gun to engage ground targets such as armour.