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[tryrar]

Dude, the Qf 2-pounder Mk VIII only had 4 guns, and only 70 rounds per gun. The rate of fire DID allow them to fire continuously for over a minute before needing reloading, but the whole thing weighed like 7 to 10 tons, and was crewed by 5 people.(it was usually the main AA mounts on a ship).

Also note we already have serviceable 40mm AA guns, so maybe just design an non-ludicrous mounting for them(say a quad mound?)

And as we've noted, there was a reason huge caliber cannons were impractical; their ammo weighed a whole hell of a lot, making it slower to reload and unwieldy. Most BATTLESHIPS didn't have cannons larger than 155mm, and those still required several hits to sink anything

[Brood]

http://en.wikipedia.org/wiki/File:MkVIIIpompomsHMSRodney1940.jpg

8 barrels not 4.

I need to add more detail but my gun is far far more effective then a basic 40mm cannon, a 40mm is reliant on large numbers to be effective, I'm designing one that can be used in smaller numbers to the same if not to better effect.

[tryrar]

http://en.wikipedia.org/wiki/File:MkVIIIpompomsHMSRodney1940.jpg

8 barrels not 4.

I need to add more detail but my gun is far far more effective then a basic 40mm cannon, a 40mm is reliant on large numbers to be effective, I'm designing one that can be used in smaller numbers to the same if not to better effect.

You do realize the QF 2-pounder IS a 40mm cannon right?

[10ebbor10]

Has anyone thought about getting airships. They're a bit better than heli's and other airplanes at this point.

[kahn1234]

kahn1234, Centurion never had 160mm armor, it had 76mm front, 51mm sides, 32mm rear. Turret was thicker  200mm\112mm\90mm. Where did you got 160mm from?
And it had 650hp engine. And early modifications had 76mm gun.
And that's a tank developed in 1945 using all WW2 experience

__________________________________________
Back on topic... What happened with the  gunboat?

I said i BASED it on the Centurion. Obviously i added a few improvements and touches of my own.
Anyway i already conceded that for a small country it would be hard. as i said, i thought we were playing the USSR proper, not some small communist Mediterranean state.

[Brood]

Name : A.A.S.C ( Anti Air Sharpnel Cannon. )
Number of Engineers : 10
Workspace : 10
What is it.
6 barrels.
60 mm flak shells.
50% longer barrels then the 40mm cannon for extended range.
Larger ammo boxes.
360 rotating field of fire.
Variable elevation.


Thats why I said better munitions, 40mm was effective but quite often required several hits, so I want a larger blast to reduce the number of hits required.
It's perfectly possible to build.
It also has the added bonus of being able to blow a pretty big hole in a tank and cut a bloody swath through infantry.
Kind of an anti everything gun.

[Ukrainian Ranger]

..... I didn't specify a barrel size for the AA gun, I just said 6 barrels, fires flak not bullet, adjustable rotation and elevation.

Flak needs a barrel too. In real world it's from 40mm to 88mm, WW2 Navy used larger flak rounds, as you can fire flak round from ANY gun.

A single barrel AA gun is completely worthless, what good is an AA gun that will never hit anything, the entire point for 6 barrels is that the fire is concentrated and so has a much higher hit chance then 6 individual guns fired by 6 different people who more then likely will each shoot at different targets, multiple 6 barrel guns will massively out match single barrel.

Real world disagrees with you, Somehow all modern armies use either single or twin AA guns. As for pom-pom, it was navy only for a reason

Same goes for Naval guns, most were doubled or tripled, but no army tried to make three barrel howitzer to use on land, 3 separate guns are always better than grouped in one

____________________________________

380mm is a caliber battleships used as main guns. Believe me that's enough to punch through any ship of any era...

BTW,  we need 3 YEARS to put new weapons in service!!!!!  We will fight this war with what we have

Most BATTLESHIPS didn't have cannons larger than 155mm

You are wrong, 155mm that's cruiser calibers, battleships used 300mm+

_____________________-

No, Airships may works as bombers, and that's all. And they were obsolete in early 1930s, And they are expensive as hell

__________-

So what about my proposal, coastal gun + helicopter?

[tryrar]

.......60mm is pretty overkill for this era(as well as 6 barrels). Now, if you were to have an improved 40mm on a quad mount, nobody would be arguing(much) with you, but you keep trying to use these ridiculous designs

Most BATTLESHIPS didn't have cannons larger than 155mm

You are wrong, 155mm that's cruiser calibers, battleships used 300mm+

Looking up the Iowa class, I see you are correct. I stand corrected

[Brood]

Not always at all, and we have a single barrel already, I want something with a bigger punch along with them for heavier aircraft that require more stopping power and mine is also multi purpose.

[Scelly9]

Internet searching gives me a weight of about 14 lbs/shell for a 60mm AA cannon. If you truly want tens of thousands of bullets, you better have a freaking big warehouse near by and hope to god nothing hits it.

[tryrar]

Not always at all, and we have a single barrel already, I want something with a bigger punch along with them for heavier aircraft that require more stopping power and mine is also multi purpose.

Dude, this is 1928, we only have at most, early monoplanes. There aren't really any heavy aircraft

[Ukrainian Ranger]

Brood, looks like you misunderstand what flak is, it doesn't fire shrapnel, it fires a solid round that explodes in the air

I propose to stop discussing the multi-barrel thing, as only one supports it

[kahn1234]

Name : MAP-Y28 (Multi-role Artillery Piece-Year 1928)
Number of Engineers : 10
Workspace : 10
What is it: A large 94mm piece of artillery that can be stationary or on a mobile platform whose role is to work as an AT or AA gun.
It has 360 rotating field of fire and variable elevation..

Weight: 20,541 lb (9,317 kg)
Length: 4.96 m (16 ft 3 in)
Barrel length: 4.7 m (15 ft 5 in) L/50
Crew: 5
Shell:   28 lb (12.7 kg)
Calibre: 3.7 inches (94 mm)
Carriage: Mobile and static versions
Elevation:-5 to +80
Traverse: 360
Rate of fire: 10/20 rpm
Muzzle velocity: 3,425 ft/s (1,044 m/s)
Maximum range:
                     Maximum horizontal: 18,800 m (61,679 ft)
                     Maximum slant: 12,000 m (39,370 ft)
                     Ceiling: 45,000 ft (13,716 m)


((Based off of this: http://en.wikipedia.org/wiki/QF_3.7_inch_AA_gun))

[Brood]

I know, but it won't be long before bigger nations begin building them now and with 3 years to get them into the field I want to start early, negate the enemies superior air power before they even have it so when it does come we're prepared.
Same reason I designed my big AIA cannon, it can take down a heavy tank if needs be or smash bunkers.

It explodes into shrapnel......

But whatever I give up, when we get whooped by an enemy airforce ain't my fault.

[Scelly9]

Well, if we do go against a bigger nation with the resources and manpower to build large aircraft we're screwed anyway since they could afford a large enough ground invasion to overpower us easily.