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Type: Close Support and ground attack aircraft
Origin: Henschel Flugwerke AG
Crew: One
Models: A B
First Flight
Hs 129V-1: Early 1939
Hs 129B: October 1941
Service Delivery:
Hs 129A-0: Early 1941
Hs 129B: Late 1942
Final Delivery: N/A
Number Produced: 841 B-Series (879 total)
Engine:
Hs 129S Series:
Model: Argus As 410A-1
Type: Ari-Cooled inverted V12
Number: Two Horsepower: 495 hp
Hs 129B Series:
Model: Gnome-Rhône 14M 04/05
Type: 14-Cylinder two-row radials
Number: Two Horsepower: 690 hp
Dimensions:
Wing span: 46 ft. 7 in.(14.2m)
Length: 31 ft. 11¾ in. (9.75m)
Height: 10 ft. 8 in. (3.25m)
Wing Surface Area: 312.16 Sq. Ft. (29.00²)
Weights: Hs 129B-1, Typical
Empty: 8,940 lb. (4060 kg)
Loaded: 11,265 lb. (5110 kg)
Performance: Hs 129B-1, Typical
Maximum Speed: 253 mph (408 km/h)
Initial Climb: 1,390 ft/min (425 m/min)
Service Ceiling: 29,530 ft. (9000m)
Range: 547 miles (880km)
Armament:
Hs 129B-1/R1 Hs 129B-1/R-4:
Two 7.92mm MG 17 Machine Guns in nose.
Two 20mm MG 151/20 cannon in nose.
Hs 129B-1/R2:
Two 7.92mm MG 17 Machine Guns in nose.
Two 20mm MG 151/20 cannon in nose.
One 30mm Mk 101 cannon mounted under fuselage.
Hs 129B-1/R3:
Two 7.92mm MG 17 Machine Guns in nose.
Two 20mm MG 151/20 cannon in nose.
Four 7.92mm MG 17 Machine Guns in ventral box.
Hs 129B-2 Series:
Two 13mm MG 131 Machine Guns in nose.
Two 20mm MG 151/20 cannon in nose.
Various weapons were fitted inclusding 37mm BK 3.7 and 75mm BK 7.5. An interesting weapon was a battery of six 75mm smoothbore recoiless rifles that fired downwards and to the rear. This system was fired by an automatic magnetic trigger that fired when the aircraft flew over metal objects. This system was reported to be quite successful.
Payload:
Hs 129B-1/R1:
Fuselage racks for two 110 lb. or 48 fragmentation bombs.
Hs 129B-1/R4:
Fuselage racks for up to 551 lb. of bombs.
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