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Posted

Been using these for train busting, I think they were originally intended as tank destroyers. You do not get a lot of shells, so you'd better be on the nail when you squeeze the trigger

 

Anyway I found this a while back and had to do a lot of searching to re-find it.

 

The real thing TURN DOWN THE VOLUME it can be a bit loud

 

 

https://www.youtube.com/watch?v=cU6OK1zSxKg&feature=player_detailpage

 

LLv24_Zami
Posted

Nice videos! That is a fun weapon to use. Other one I like in Stuka is Wb81 machine gun pods. Strafing transport colums with them is awesome :biggrin:

Voidhunger
Posted

51:04 Rudel

 

Gunsmith86
Posted (edited)

 

The guncam movies in this one are not from a 3,7cm Ju 87.

 

The first one could be a HS 129 with 30mm MK103 or MK 101(single cannon fireing to fast to be 3,7cm) and the second one is posible just a fighter FW190 or BF 109 with gunpods (high rate of fire more than one gun but not fireing at the same time like the Ju 87 with 3,7cm gun pods does).

 

Edit: The scond  one is acording to Voidhungers video above a HS 129 which fire with 2x 20mm and 1x MK 101 30mm.

Edited by Gunsmith86
6./ZG26_Custard
Posted

I have real trouble busting tanks with these monstrosities.

SCG_Space_Ghost
Posted (edited)

I have real trouble busting tanks with these monstrosities.

 

500m convergence and a medium speed dive at about a 30 degree angle and the guns have a surprisingly flat trajectory.

 

With a little practice you can bust tanks in no time.

 

The Ju87 mit Bordkanone is the only aircraft I fly in BOS.

Edited by 4./JG26_Adler
  • Upvote 1
6./ZG26_Custard
Posted

500m convergence and a medium speed dive at about a 30 degree angle and the guns have a surprisingly flat trajectory.

 

With a little practice you can bust tanks in no time.

 

The Ju87 mit Bordkanone is the only aircraft I fly in BOS.

Thanks for the info, I will give it a try :salute:

Posted

I generally find the BKs much easier to hit with that the NS-37, as was the case IRL, or maybe the Ju 87 is just a better gun platform than the IL-2

 

The Ilyushin does have the benefit of a much much larger ammo supply, which kinda nullufies the disadvantage of its inaccuracy.

BraveSirRobin
Posted

I generally find the BKs much easier to hit with that the NS-37, as was the case IRL, or maybe the Ju 87 is just a better gun platform than the IL-2

 

The Ilyushin does have the benefit of a much much larger ammo supply, which kinda nullufies the disadvantage of its inaccuracy.

 

Go with the 23mm if you want to kill tanks in the IL2.  The aircraft is a much better gun platform with the smaller guns.  Not sure how realistic it is that you can kill tanks with a 23mm gun, however...

Posted

Go with the 23mm if you want to kill tanks in the IL2. The aircraft is a much better gun platform with the smaller guns. Not sure how realistic it is that you can kill tanks with a 23mm gun, however...

I usually use the 23mm for all tasks, because it is supremely deadly. While I agree that it's propably too effective against armour (the 23mm shouldn't penetrate anything by the top armour of medium tanks - and only at steep angles) it otherwise seems pretty accurate in its effectiveness.

 

Until the introduction of the PTAB cluster bombs, the guns were pretty much the IL-2s only means of attack that was truly effective.

  • Upvote 2
BraveSirRobin
Posted

The thing wobbles all over the sky with the heavier guns and a rear gunner.  That part seems very realistic.

Posted

I tried the 3.7's out for a bit in QM and MP, but similar to sir robin I have to say I prefer choosing the 2.3 with AP (blue) rounds.

 

Mostly due to my flying style, I had a very hard time trying to focus on shooting one single large round accurately amidst maneuvering. I found in order for me to be accurate with the 3.7, i needed more setup time and had to fly a very predictable, non-maneuvering, straight in attack approach which I was very uncomfortable doing and felt defenseless.

 

I find if I am focused on bursting 5-15 smaller rounds on a target, I can react much quicker and line up on targets more intuitively with less thought and setup required. Especially when flying into AA or flak, when bouncing yourself around the sky and maneuvering to avoid getting hit, then swooping onto target for a quick burst, I just couldn't do that with the 3.7.

Posted (edited)

Do not confuse caliber with shell type or muzzle velocity. Not all armor piercing ammo is equal.

 

The Ju87G-2's BK-37 historically ought to always have carried APCR ammo type when selecting AP ammunition, when going against armor. (especially with only 12 rounds per gun) It ought to also have its correct rate of fire. That is, 2.7 rounds per second. 

 

BK-37 (german), based off Flak 18 - Jan. 1943

Rate of fire: 160 rpm

Muzzle velocity: 1,170 (APCR) to 780m/s (HE) to 770 m/s (AT)

Projectile weight: APCR 380g, HE 640g, AT 685g
Penetration figures (APCR):
500m, 90deg = 95mm
500m, 60deg = 47mm
See attached photo of rear turret armor of T-34/76 penetrated by BK-37 (52mm @ 30deg)
Also see attached photo of plane mechanic. "You look like I feel"
 
NS-37 (soviet), Jan. 1942
Rate of fire: 250rpm
Muzzle velocity: 880m/s (AP-T) to 900m/s (HE-I) 
Projectile weight: 760g (AP-T) to 735g (HE-I)
 
Penetration figures (AP-T):
500m, 90deg = 48mm (another source is saying this is at 200m)
500m, 60deg = no figures given (obviously less)

post-16698-0-64905300-1430529156_thumb.jpg

post-16698-0-60519300-1430529163_thumb.jpg

post-16698-0-81647200-1430529172_thumb.jpg

post-16698-0-55564000-1430529289_thumb.gif

Edited by Venturi
  • Like 2
  • Upvote 1
Posted

Not sure how realistic it is that you can kill tanks with a 23mm gun, however...

it is realistic, just because - 

 

1) personally i know at least one very clear mention from real pilot,

 

2) and this is partial confirmation - "This was adequate against light tanks but not enough to reliably penetrate medium tanks." - plus other sources, including special tables of penetration etc.,

 

3) armor penetration of 23 mm BZ shell (25 mm/400 meters/0 degrees, i.e. this is well known that 25 mm/400 meters it's penetration at 0 degrees; or 16/300/35 for better understanding of possibilities of VYA-23),

 

4) scheme of armor of T-3/4 (around 20-30 mm of clear armor, i.e. except of 10-50 mm in other places),

 

 

5) this is just game...  :)

 

etc.

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