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Sturgeon's House
Vasily Krysov

T-80 Megathread: Astronomical speed and price!

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You know Mike E is on SH, right?

I'm not the author of that particular article  :P but my first completed one will be out soon. Not sure if I have made this public before or not -  it will be on the T-90MS. 

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Propably the most interesting was T-80B armour in turret (hull -the same as T-72A)


T-80B (1978-1984)



Psyhical thickness in the thickest place before crew comparment: 715mm

psyhical thickenss at 30. degree from turret centre - 530mm

psyhical thicnes in thinest place whit kvarc "sepcial armour": 520mm


Wery simple armour, heavy weight, but...cheap and effective! Material thickens effectivens is well known (vs. APFSDS and HEAT)


cast steel circa 270-330HB - 0,85 vs APFSDS and HEAT

kvarc "snadbars"  - 1.22 vs HEAT and 0.77 vs APFSDS

Whole turret protection looks good, very good:

 for LOS thicknes equal 715mm:
vs APFSDS: ~590mm (sic!)
vs HEAT: ~670mm

for LOS thicknes equal  530mm
vs APFSDS: ~440mm
vs HEAT:  500mm

for LOS thicknes equal 520mm
vs APFSDS: ~430mm
vs HEAT: ~490mm

And for compare older NATO 120mm rifted and 105mm APFSDS munition:

(2km, plate slopped at 60 degree (angle)  so the most comfortable conditions for penetrator, for 0. angle penetration must be mucht worse)


105mm rifted:

M111 (???) - 340mm RHA
M774 (1979) - 360mm RHA
M833 (1983) - 500mm RHA


120mm L-44 Leo-2:

DM13 (1979) - 440mm RHA
DM23 (1985) - 480mm RHA

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