4,7 cm Pak(t) auf Pz.I Ausf.B - Panzerjäger I

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General info

The Panzerjäger I in the Garage.

The 4,7 cm Pak(t) auf Pz.I Ausf.B, otherwise known as the Panzerjäger I, is a Rank I German tank destroyer with a battle rating of 1.7. It was introduced in Update 1.57 "Battle March". It is the first of the series of open-top self-propelled gun and the predecessor to the Marder series.

The main purpose, usage and tactics recommendations

Arcade Realistic Simulator

Arcade Realistic Simulator

Arcade Realistic Simulator


General play style

Vehicle characteristics

Tactics

Specific enemies worth noting

Any enemies at this tier can pierce your armour. However, the biggest threats are the SPAA vehicles due to their higher rate of fire with effective weapons that will absolutely rip apart the vehicle.

Counter-Tactics

The enemy would be trying to play this vehicle conservatively, due to the extremely thin armour that would be an easy kill. A typical enemy would sit back and try to ambush your tank as you try to make the objective. The great penetration of the gun for the tier ensures that if they manage to get a shot on you, it would cause internal damages that may affect your performance. Fighting the Panzerjäger I would require speed and outmaneuvering to get away from their gun arc and hit them in a blind spot.

Pros and cons

Pros:

  • Large ammo reserve of 86 rounds
  • Agile vehicle
  • Good power-to-weight ratio
  • One of the best guns in Rank I. Can penetrate anything it comes up against.
  • Access to APCR ammunition.
  • Good ballistics for 47 mm. Can be used effectively at long range.

Cons:

  • Large profile, bigger target
  • Very thin armour, maximum is 15 mm. Vulnerable to strafing aircraft.
  • Crew operating the gun have no armor protection in the top and rear of their position.
  • Not a lot of horsepower, poor for towing downed allied vehicles
  • No defensive machine gun, open-top SPAA can be a problem.
  • Gun quickly becomes obsolete in higher BRs. Does not cope well with sloped armour.

Specifications

Arcade Realistic Simulator

Arcade Realistic Simulator

Arcade Realistic Simulator


Armament

1 x 47 mm Pak.(t)(Sf.) cannon
  • Ammunition Capacity: 86 Shells
  • Gun Depression: -8°
  • Gun Elevation: 10°

Turret Rotation Speed: 7.1°/s (Stock), 9.9°/s (Upgraded), __._°/s (Prior + Full Crew), __._°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)

  • Reloading Rate: 3.9s (Stock), __._s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 47 mm Pak.(t)(Sf.) cannon
  • Ammunition Capacity: 86 Shells
  • Gun Depression: -8°
  • Gun Elevation: 10°

Turret Rotation Speed: 7.1°/s (Stock), 8.4°/s (Upgraded), __._°/s (Prior + Full Crew), __._°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)

  • Reloading Rate: 3.9s (Stock), __._s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 47 mm Pak.(t)(Sf.) cannon
  • Ammunition Capacity: 86 Shells
  • Gun Depression: -8°
  • Gun Elevation: 10°

Turret Rotation Speed: 7.1°/s (Stock), 8.4°/s (Upgraded), __._°/s (Prior + Full Crew), __._°/s (Prior + Expert Qualif.), __._°/s (Prior + Ace Qualif.)

  • Reloading Rate: 3.9s (Stock), __._s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)

Ammunition

Ammunition Penetration in mm @ 90° Type of
warhead
Velocity
in m/s
Projectile
Mass in kg
Fuse delay
in m:
Fuse sensitivity
in mm:
Explosive Mass in
TNT equivalent
in g:
Normalization At 30°
from horizontal:
Ricochet:
10m 100m 500m 1000m 1500m 2000m 0% 50% 100%
Pzgr.36(t) 90 87 69 52 39 29 APC 775 1.7 1.2 25.0 15 +4° 42° 27° 19°
Pzgr.40 103 102 73 49 32 22 APCR 1080 0.83 N/A N/A N/A +1.5° 24° 22° 18°

Ammo racks

Ammo racks of the Panzerjäger I
Full
ammo
1st
rack empty
2nd
rack empty
3rd
rack empty
4th
rack empty
5th
rack empty
Recommendations Visual
discrepancy
86 50 (+36) 38 (+48) 28 (+60) 10 (+76) (+86) Turret empty:  () Yes

Crew

  • Commander
  • Gunner
  • Loader
  • Driver
  • Assistant Driver

Total: 5 Crew members

Armour

Armour Type:

  • Rolled homogeneous armour
Armour Front (Slope angle) Sides (Slope angle) Rear Roof
Hull 13 mm (18°) Front plate
13 mm (72-75°) Front glacis
13 mm (26°) Lower glacis
13 mm 13 mm 8 mm
Superstructure 14 mm (26°) 14 mm (15-18°) N/A N/A

Notes:

  • Suspension wheels and tracks are 10 mm thick.

Engine & Mobility

Weight: 6.4 ton

Max Speed: 46 km/h
Stock

  • Engine Power: 142 hp @ 3000 rpm
  • Power-to-Weight Ratio: 22.19 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 175 hp @ 3000 rpm
  • Power-to-Weight Ratio: 27.34 hp/ton
  • Maximum Inclination: 43°
Weight: 6.4 ton

Max Speed: 42 km/h
Stock

  • Engine Power: 88 hp @ 3000 rpm
  • Power-to-Weight Ratio: 13.75 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 100 hp @ 3000 rpm
  • Power-to-Weight Ratio: 15.62 hp/ton
  • Maximum Inclination: 41°
Weight: 6.4 ton

Max Speed: 42 km/h
Stock

  • Engine Power: 88 hp @ 3000 rpm
  • Power-to-Weight Ratio: 13.75 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 100 hp @ 3000 rpm
  • Power-to-Weight Ratio: 15.62 hp/ton
  • Maximum Inclination: 41°

Modules and improvements

__MODIFICATIONS__

History of creation and combat usage

Development

The heavily armoured tanks in Allied inventory was considered a threat to the German armoured forces, which consisted of mostly 3.7 cm gun that were ineffective. To counter these threats, the Germans sought for a vehicle able to mount a bigger gun able to fight these tanks. It was found that they could convert obsolete chassis designs like the Panzer I to mount the guns, thus saving the design process of developing a new vehicle for the role. The Czech 4.7 cm Pak(t) anti-tank gun was chosen for this task, and was mounted on a converted Panzer I chassis with the turret removed, a gun shield was used for the mount of the gun. Between 1940 to 1941, 202 Panzer I’s were converted by Alkett and Deutz AG to these tank destroyers, designated the ‘’’Panzerjäger I‘’’, the first of its kind of tank destroyers in the war.

Combat Usage

The Panzerjäger I were organized in anti-tank battalions, each having three companies with nine vehicles each. Five battalions in the war were equipped with the tank destroyer. The first usage of the Panzerjäger I was in the Battle of France, where four battalions were committed. Though, only Anti-Tank Battalion 521 saw service from the beginning to the end as the other four were still in training when the campaign started. The opinion of the crew of these vehicles were positive, saying that the weapon was adequate to distances up to 600 meters if the enemy had 45 to 50 mm of armour. However, the crew also say that the ability to observe the battle in the vehicle was terrible, the crew had to look over the shield to see what is ahead, risking themselves to injury to the head.

After the Battle of France, the Panzerjäger I’s in Anti-Tank Battalion 605 were sent to the North African Campaign, though only 3 of the 27 vehicles made it as the transport freighter ‘’Castellon’’ carrying the rest was sunk. The battalion was in full strength during the British offensive in Operation Crusader in November 1941, to which they lost 13 vehicles in the battle. Battle experience praise the accuracy the vehicle provides, but state that the vehicles were too weak for the combat conditions and the gun didn’t have enough penetration in long distance. With an APCR round, it was found it could destroy the venerable Matilda infantry tanks at distance of around 400 meters. The battalion continued this battle of attrition with reinforcement and losses that during the Second Battle of El Alamein in October 1942, only 11 Panzerjäger I’s were left in the battalion. The last two replacement vehicle were sent to the battalion in November 1942. In Operation Barbarossa, five anti-tank battalions were equipped with the Panzerjäger I’s, which made up a total of 135 vehicles. The combat experience was subpar, while the Panzerjäger I had a good effective range of up to 1,000 to 1,200 meters, but the high profile of the vehicle presented a big target to enemy anti-tank weapons and artillery, even shrapnels from high-explosive shells could penetrate the thin armour. Many Panzerjäger I’s were destroyed and by the Fall of 1942, many battalions reported to be under equipped for further action and were disbanded. At this point, better anti-tank weaponry and vehicles were more accessible and replaced the Panzerjäger I in service, notably the Marder series.

Screenshots and fan art

Skins and camouflages for the SM.79 series from live.warthunder.com.

Additional information (links)

[Devblog] The Panzerjäger I, and announcing a branch of German SPGs with open cabins
[Profile] Panzerjäger I - The first German Tank Hunter

References


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