MRV - U  FUZE  ( AU-32 )
 
       
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*MRV-U – M 85  is  point – detonating, mechanical fuze of superquick and delay action.
Action selecting by turning of sleeve.
 
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         A.  PURPOSE
*For 122 mm rocket “GRAD”.
 
         B.  TECHNICAL   DATA
*Safety type -------------------------------------------- Partly interrupted explosive train                 
*Fuze mass  --------------------------------------------------------------------------------- 720 g
*Fuze lenght -------------------------------------------------------------------- max 197,1 mm
*Fuze lenght entering the rocket --------------------------------------------- max 55 mm
*Fuze connecting thread ---------------------------------------------------- SpM 44,96 x 2
*Maximum  fuze diameter ------------------------------------------------------------- 64 mm
        
         C.  FUNCTIONAL  DATA
*Muzzle safety --------------------- During the active phase of rocket motor ( 1,5 s )
*Action type ------------------------------------------------------------------------- Superquick
                                                                                                  - Delay 0,001 to 0,005 s
                                                                                                  - Delay 0,007 to 0,013 s
*Minimal arming conditions ------------------------------------------- Acceleration 20 g
*Drop safety ------------------------------------------------------------------------------------ 3 m
*Airtightness ---------------------------------------------------------------------------- Airtight
*Temperature range of use ----------------------------------------------  - 30°C  to + 50°C
*High  safety during handling, transportation  and  storing.
*Environment  test -------------------------------------------- as  per  MIL – STD – 331 A
*Usage  period is  minimum  15  years  under  prescribed keeping and  storing conditions.
 
 
       
 
 
 
 
 

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