Type: Surface To Air Missile (also could be used as Air-To-Air Missile)
Models: E-1 to E-3 prototypes, E-4 Production
Manufacturer: Holzbau Sonthofen
(designed by Oberbayerischen Forschungsanstalt Oberammergau)
First Launch: August, 1944
Number Produced: 60+

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Dimensions:
Length: 4 Meters
Span: 4 Meters
Maximum Diameter, fuselage: 0.88 meter
Root Thickness: 20% Root Chord
Tip Thickness: 10% Root Chord
Wing Area: 5 Square Meters
Airfoil: NACA symmetrical; no twist
Dihedral: Zero
Chord Root: 1.25 meters
Chord Tip: 0.98 meters
Sweepback: 30 degrees

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Weights:
Complete: 1,800 kg.
Empty, including Warhead: 833 kg.
Warhead: 500 kg.
Motor: 97 kg.
Fuel: 550 kg.*
JATO Units: 320 kg.
Airframe (with Control Gear): 333 kg.
*Fuel weight reduced to 150 kg. and JATO packs removed when configured for the Air-To Air Role.

Aerodynamic Peculiarities And Characteristics:
Aerodynamically the E-4 appear normal. Its stability in flight was accepted as good.

Performance Specifications:
Maximum Velocity:
   Conrad Powerplant: 300 m/sec
   Walther Powerplant: 240 m/sec
End speed launching: 24 m/sec
Minimum speed for safe control: 55 m/sec
Vertical Range:
   Conrad Powerplant: 16,000 meters
   Walther Powerplant: 7,000 meters
Horizontal Range: 25,000 meters
Turning Radius: 500 meters