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Merlini.a.f.
02-03-2004, 08:13 AM
good day to you.....
as usual i have a question, i tried to answer it on the web but couldn`t....
I wanted to know wich russian 20mm cannon is better(or wich do you prefer) and why?
and also describe the cannon a bit(i`m not familiar with them).....stuff like projectile weight.....%of wieight=explosive so on and so forth....please i would really appreciate it......p.s. forgive the poor english http://ubbxforums.ubi.com/images/smiley/16x16_smiley-happy.gif

Have a good day hunting http://ubbxforums.ubi.com/images/smiley/16x16_smiley-wink.gif

Merlini.a.f.
02-03-2004, 08:13 AM
good day to you.....
as usual i have a question, i tried to answer it on the web but couldn`t....
I wanted to know wich russian 20mm cannon is better(or wich do you prefer) and why?
and also describe the cannon a bit(i`m not familiar with them).....stuff like projectile weight.....%of wieight=explosive so on and so forth....please i would really appreciate it......p.s. forgive the poor english http://ubbxforums.ubi.com/images/smiley/16x16_smiley-happy.gif

Have a good day hunting http://ubbxforums.ubi.com/images/smiley/16x16_smiley-wink.gif

Slush69
02-03-2004, 08:36 AM
I believe there's an ammo/gun guide at Mudmovers. Check out the links in the sticky thread.

cheers/slush

http://www.wilcks.dk/crap/Eurotrolls.gif

Bogun
02-03-2004, 09:04 AM
Here are some of aircraft armament related links for your reference (some in Russian) which would cover all you need:
http://www.quarry.nildram.co.uk/WW2guneffect.htm
http://www.quarry.nildram.co.uk/ideal.htm
http://www.geocities.com/russianammo/20mm.html#5
http://www.geocities.com/CapeCanaveral/Hangar/8217/fgun/fgun-in.html
http://www.concentric.net/~reaper/gunnery/gunnery.html
-----------------
http://airbase.ru/alpha/rus/sh/shvak/20/ - in Russian
http://www.23ag.sp.mk.ua/html/shvak_20.html - in Russian

Regards,

AKA_Bogun
http://www.akawardogs.com/

http://img5.photobucket.com/albums/v22/Bogun/Sevastopol.jpg

"The best fighters I met in combat were the American P-51 Mustang and Russian Yak-9U. Both of those types obviously exceeded all Bf109 variants in performance, including the 'K'. The Mustang was unmatched in altitude performance, while the Yak-9U was champion in rate of climb and maneuverability."

- Walter Wolfrum

tenmmike
02-03-2004, 10:22 AM
the b-20 is preferesd as that 3 b-20 weigh less then 2 shvak.....caliber 20x99r..gun weight shvak 42 kg B20=25kg both are belt feed and both have a ROF of 800..the main thing about the B-20 was the weight..they fire the same round at 860 m/sec and weight of 99 gm for the armour piercing incinderary with 36,600 joules of energy and the high explosive round weigs 96 gm and has 35,500 joules of energy at the muzzle

http://images.ar15.com/forums/smiles/anim_50cal.gif U.S INFANTRY 1984-1991

tenmmike
02-03-2004, 10:36 AM
Bogun those were good links....iv got 2 of the williams and gustin books...flying guns of ww2 and rapid fire they are both great books if you(anybody) can get them i recomend them

http://images.ar15.com/forums/smiles/anim_50cal.gif U.S INFANTRY 1984-1991

Bogun
02-03-2004, 10:48 AM
S! tenmmike, I also have their "Flying Guns of WW2" book - it is great.
======

There was another Russian cannon which made its debut in WW2 on Yak-9UT - NS-23, which took part in the air war over Germany in final months of the war. Plane was armed with one NS-23 and two B-20S cannons.
About 900 of those cannons were made in 1944-45.

Its 23x115 23mm round was based on necked up Russian 14.5mm anti-tank round.
Weight - 37kg
Length - 1985mm
Barrel length - 1450mm
Rate of Fire - 600 rounds/min
Muzzle velocity - 690 m/s

Ammo:
Fragmentation/Incendiary
Round weight - 200gr - twise that of ShVAK
Weight of explocives - 13-15gr

and Armor Pearcing/Incendiary.
Same round weight - 200gr and ballictics
Armor pearcing core and 5-7gr of incendiary content.

This cannon was also installed on some La-7, all La-9 and La-11, late IL-10 and early Russian jets.

Regards,

AKA_Bogun
http://www.akawardogs.com/

http://img5.photobucket.com/albums/v22/Bogun/Sevastopol.jpg

"The best fighters I met in combat were the American P-51 Mustang and Russian Yak-9U. Both of those types obviously exceeded all Bf109 variants in performance, including the 'K'. The Mustang was unmatched in altitude performance, while the Yak-9U was champion in rate of climb and maneuverability."

- Walter Wolfrum