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Viper AAM

overscan (PaulMM)

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Development of Viper was initiated by Dornier and BGT in 1969 as a Sidewinder (AIM-9B) replacement. It used a improved seeker, featuring increased sensitivity, wider look angle, and increased tracking rate. Improvements to the rocket motor and aerodynamics increased the range. One very odd feature was the IR search and acquisition unit in the missile launcher, which allowed multitarget engagement by not having to rely on the host aircraft to locate a target.

Expected first flight was 1975, with service entry on the F-4F and MRCA in 1977.

The project was cancelled in 1974 because of the US AIM-9L program, though Viper was superior in a number of aspects.

Sources
Jane's Weapons Systems 1974-75 p143
Illustrated Encyclopaedia of the Worlds Rockets & Missiles Bill Gunston, 1979 p213
 

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Anderman

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Ha i hoped the forum had something about this missile ;D

Does somebody know if the missile seeker had all aspect capabilities like the aim-9L ?

thx
 

overscan (PaulMM)

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Bodenseewerk/Dornier Viper


These two companies are working, under Bundeswehr contract, on a Sidewinder replacement based on Bodenseewerk's experience gained during Sidewinder licence production. The company advanced its own technology by developing the Sidewinder 1A improved guidance and control unit, designated FGW Mod 2, which is unaffected by sun-reflecting surfaces and has a much smaller dead zone when approaching the target into sun.

Viper is a medium-range/dogfight missile with a motor burn time about double that of Sidewinder and a minimum effective range of 200m-300m. The motor is a new unit being developed by Kongsberg Vapenfabrik. The missile's launcher is equipped with an infra-red search unit to acquire targets and then point the Viper IR head in the correct direction. The launcher also houses a cooling unit for the IR heads.

Viper is designed to lock on to targets within a squint angle of ±15° while on the launcher, compared with Sidewinders ±2°. The prototype missile should be ready by the end of the year and service entry is scheduled for 1975-1976. MRCA and Alpha-Jet will be amongst the types to carry the weapon.
 

glmm

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The seeker capabilities aren't impressive; given it compares off boresight seeker capabilities with the AIM-9B ones, I assume it was still a tail chaser, to enter service just when the US was getting the AIM-9L ready.....

Even the original R550 Magic missile had a 40º off boresight angle, although it was still mostly a rear chaser, with better angles and thus a larger fire envelope.
 

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