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 German Ordnance Catalog

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MonoTheElderish
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PostSubject: German Ordnance Catalog   Wed Apr 17, 2013 1:55 am









The Pz. Kpfw. VI was introduced into service by Germany in the latter part of 1942.

Its construction incorporates a notable departure from past German practice in that the superstructure is welded to the main hull instead of being bolted. The use of heavy armor called for flat plates wherever possible, resulting in a simple box-like contour. Another interesting development in construction involves plate interlocking, secured by welding, in addition to the normal step jointing. This has no doubt been made necessary by the use of thicker armor, which ranges from 102 mm in the front nose plate to 92 mm in the cast steel gun mantlet, and 80 mm in the side superstructure.

The hull is divided into four compartments. The floor of the fighting compartment is suspended from and rotates with the turret. The turret is centrally mounted between the hull side plates. A circular fixed cupola, with an inside diameter of 20 inches, is mounted in the turret roof.

The suspension consists of front sprocket, rear idler, and eight triple, rubber-tired bogie wheels 31 1/2 inches in diameter sprung on torsion bars. The wheel assemblies straddle each other in such a manner that the outer rims of four of the wheels on each side may be removed to accommodate the narrow (20 1/2 inch) transportation track. For combat a wider (28 1/2 inch) track is utilized.

The mechanical layout follows orthodox German practice. The Maybach, V-12, 642 hp. engine is mounted centrally at the rear.

The armament consists of an electrically fired 8.8 cm Kw.K. 36 with coaxial 7.92 mm MG 34 in the turret, a ball-mounted MG 34 in the vertical plate, a 9 mm machine gun stowed, six smoke generators, and three mine throwers mounted on the superstructure roof. The existence of a Model “P” has also been reported.

SPECIFICATIONS

Weight (in battle order) 63 tons
Length (excl. gun) 20 ft., 8 1/2 ins.
Width 12 ft., 3 ins.
Height 9 ft., 4 3/4 ins.
Ground clearance 17 ins.
Tread centers 9 ft., 3 1/2 ins.
Ground contact 12 ft., 6 ins.
Width of track 28 1/2 ins.—20 1/2 ins.
Pitch of track 5 1/8 ins.
Track links 96
Fording depth 96 ft.

Theoretical radius of action

Roads 87 miles
Cross-country 53 miles
Speed
Roads 25 miles
Cross-country 15 miles

Armor

Front plate 102 mm at 70° to horiz.
Sides 80 mm at 80° to horiz.


Armament
1x 8.8 cm Kw.K 36
2x MG 34′s
M.V. 2624 f/s
Wt. of projectile 21 lb.
Ammunition 8.8 cm 92 rds.
MG’s—5100 rds.
Engine Maybach HL 210, V-12, 642 hp.
Transmission Preselector, hydraulic—8 speeds forward, 4 reverse
Steering Controlled differential, hydraulic
Crew 5


_____________________________________________________________________________________










The German rocket grenade (Faustpatrone—literally “fist cartridge”) is a new close-range Nazi weapon used against tanks and other armored targets. It comprises a tube and a head which contains the explosive charge. The weapon weighs 11 1/4 pounds, has a muzzle velocity of 145 f/s, and a sight range of 33 yards.

The head, which is closed at the front end by a sheet-metal cover, includes a semispherical hollow charge. Toward the rear, the head merges into a rod which includes the small detonating charge 34 and the fuze. The rear of the rod is screwed to a shaft containing four bomb-fins for flight stabilization of the rocket grenade. When not in use, the fins are rolled around the shaft and held together by the tube which is slid over it. The propelling charge is contained in the tube. A sighting rail, fixed to the front end of the tube, when folded down serves as the safety against involuntary cocking of the striker. The sighting rail itself is in turn secured to the rear by the Fuze Safety Pin, which holds it in folded-down position. The lock is located on a line extending from the sighting rail to the rear. It includes and carries the firing-pin (striker), release button, and safety catch.

For firing, the weapon is taken under the right arm, the left hand supporting the grenade two inches behind the front end of the tube. The fuze safety-pin is pulled out, and the sighting rail is snapped up, forming an approximate right angle with the tube. The striker is cocked by pushing the lock forward until the striker is set and the release button emerges. The lock then slides back into its original position, and the release button is pressed, discharging the projectile. Discharge is recoilless, and caution must be taken, as a stream of fire from one to two yards long is ejected from the rear of the tube. The launcher tube is expendable.

A smaller model is known as the Faustpatrone.

_____________________________________________________________________________________



Sturmgeschütz 7.5 cm Stu. K. 40 (Sd. Kfz. 142): S.P. Assault Gun








This development of the Sturmgeschütz mounts the Stu. K. 40 assault gun, with muzzle brake, on a Pz. Kpfw. III chassis. The gun. is identical to the Kw.K. 40 with the exception that in the Stu. K. 40 the buffer and recuperator systems are mounted on each side of the barrel to accommodate the S. P. mounting, while the Kw.K. 40 mounts the recoil mechanism above the barrel. The road performance of this vehicle will approach that of the Pz. Kpfw. III tank.

The superstructure is a box-like arrangement, closed in on the top and welded to the chassis. A commander’s cupola, loader’s entrance hatch, and an opening for the sight are provided on the roof of the superstructure. There is no hull entrance door. A circular hole approximately 9 inches in diameter, cut in the rear of the superstructure, houses a small electric fan which draws air into the fighting compartment. A circular plate 12 inches in diameter and 30 mm thick is fitted over the hole at a distance of 3 inches from the superstructure by means of 3 bolts. The thickness of superstructure armor is as follows: front vertical plate 50 + 30 mm, gun mantlet 50 mm, sides 30 mm, top 20 mm. Side skirting armor is often mounted on this vehicle.

The gun has a length of 126 inches, without the muzzle brake, a muzzle velocity of 2525 f/s for the 15.0 lb. projectile and an effective range of 2000 yards firing A.P.C. shell. Its approximate radius of elevation is -5 to + 20°; traverse 10° left and right. It utilizes the following types of ammunition—A.P.C., H.E., and hollow charge. The penetration of A.P.C. shell against homogeneous plate is reported as follows: 500 yards, 4.0 inches at 30° obliquity; 4.8 inches normal—1000 yards, 3.6 inches at 30°, 4.3 inches normal—2000 yards, 2.8 inches at 30°, 3.4 inches normal.

SPECIFICATIONS

Weight 26.5 tons
Length 17 ft., 9 ins.
Width 9 ft., 7 ins.
Height 6 ft., 5 ins.
Ground clearance 14 ins.
Tread centers 8 ft., 2 1/2 ins.
Ground contact 9 ft., 4 1/2 ins.
Width of track 15 ins.
Pitch of track 43 ins.
Track links 90
Fording depth 3 ft.
Theoretical radius of action
Roads 100 miles
Cross-country 60 miles
Speed
Roads 25 m.p.h.
Cross-country 15 m.p.h.
Armor
Front plate 50 + 30 mm
Sides 30 mm
Armament 7.5 cm Stu. K. 40
2 Machine pistols
Ammunition 54 rds.
Engine Maybach, HL 120 TRM, V-12, 320 hp.
Transmission 6 speeds forward, 1 reverse
Steering Epicyclic, clutch brake
Crew 4




NOTE FROM MONO: When it says in the Armament, "Two Machine pistols" It means that apart from the main cannon, the Vehicle itself had no anti-infantry weapons, and that in order to repel infantry from the vehicle, the crew had to expose themselves. They most likely used either MP-40's, Or MP-41's. This was also a very unlikely vehicle to be moving by itself, and was in most cases used in urban assaults in an Infantry Support Vehicle/Assault gun role


(this article is awesome. http://www.lonesentry.com/ordnance/)

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PostSubject: Re: German Ordnance Catalog   Wed Apr 17, 2013 9:11 am

Another interesting tidbit about the SdKfz. 142, is that in order to use the gunnery sight, a rather large slit had to be opened in the front, and a sighting mechanism place into the gap. If you managed to destroy it, it would significantly reduce the guns effectiveness. But in order to even get a shot on the sight in the first place, the thing would have to be looking straight at you. Not a nice prospect.

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