COMPONENTS AND PARTS

MRV-U FUZE

Outfitting of 122 mm HE Rocket Rounds , type M21 OF.
Fuze type: ……………………………………. Nose fuze , with impact functioning
Adapter thread: ………………………………………………….. Sp.44,96×2 turns/inch
Outer diameter max.: ………………………………………………………………..Ø 64 mm
Length: ………………………………………………………………………. 191,42÷ 195,04 mm
Length of screwed area
into the projectile: ………………………………………………………… 53,01÷54,39 mm
Mass: ……………………………………………………………………………………………. 0,750 kg
Detonator: ………………………………………………………………………….. RDX-tipA IX-1
Functioning temperature range: ………………………………………. -40ºC÷+50ºC
Safety distance from muzzle: ………………………………………………. 150 ÷400 m
The fuze operates at impact.
Depending on the intended functioning purpose of the fuze, there are
3 ways of functioning :
“00”(0) instantaneus adjustment performed by manufacturer
“+” with long delay 0,007÷0,013 s
“0” with short delay 0,001÷0,005 s
Adjustments for “+” or “0” functioning are to be performed prior to
firing by rotating the adjusting device with a special key.