The Virtual Weapon Museum

	RUHRSTAHL/KRAMER X-4	1944
	AIR-TO-AIR GUIDED MISSILE

DATA

RUHRSTAHL/KRAMER X-4

CLASSIFICATION
CLASS :	AIR-TO-AIR GUIDED MISSILE
COUNTRY OF ORIGIN :	GERMANY
MANUFACTURER :	RUHRSTAHL AG
FIRST FLIGHT :	August 11, 1944
SERVICE DELIVERY :	NONE - Scheduled for 1945
NUMBER BUILT :	1,300~

SPECIFICATION
SPAN :	2 ft 4-5/8 (.725 m)
LENGTH :	6 ft 6-3/4 in (2.0 m)
DIAMETER :	0 ft 8-5/8 in (.222 m)
WEIGHT :	132 lbs (60 kg)
POWER PLANT :	BMW 109-548 Liquid Fueled Rocket Motor, 66-308 lbs (30-140 kg)
	of Thrust for 17 seconds
ARMAMENT :	44 lb (20 kg) of High Explosive with Kranich acoustic proximity fuze
TECHNICAL NOTE :	Wire guided FuG 510 Guidance System with "Dusseldorf" transmitter
	and "Detmold" Receiver MCLOS visual guidance with wires housed
	in two pods fixed to wing tips and unwound in flight.

PERFORMANCE
MAX SPEED :	482 mph (893 km/h); 708 mph (1,140 km/h) Maximum Permissible
	Speed
RANGE :	10,496 ft (3200 m)
OPERATING CEILING :	---

	REFERENCES
	Miranda, J & Mercado, P. Secret Wonder Weapons of the Third Reich - German Missiles 1934-1945. Pennsylvania: Schiffer Publishing, Ltd. 1996. ISBN 0-7643-0086-5. Kay, Antony L. & Smith, J.R. German Aircraft of the Second World War (Including Helicopters and Missiles). Maryland: Naval Institute Press, 2002. ISBN 1-55750-010-X.

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