From a mid 1960's pamphlet on the TRW 6425 Gun system (25mm auto cannon; TRW = TRW Jet & Ord. Division, no longer in business) are these two 25x137mm cartridges listed as AP (APDS or APDS-T?) & HE.
Oerlikon produced or U.S. produced? Or?
Anyone have an example of the AP cartridge?
Info from the pamphlet:
HE projectile = 180 gms
HE weight = 27 gms
Case material = steel
Driving band = steel
Fuze = Super quick, self destruct
Single base propellant = 90 gms
MV = 3610 ft/sec.
Case weight = 227 gms
Tracer time = 3 seconds
HE cartridge weight = 513 gms
AP (APDS or APDS-T?)
Projectile weight = 120 gms
Projectile (tungsten penetrator with alumimum sabot and aluminum ogive material) weight = 80 gms
Propellant weight = 100.5 gms
Steel driving band
MV = 4460 ft/sec.
Tracer time = 1 second
Cartridge weight (with tracer) = 454 gms
Oerlikon produced or U.S. produced? Or?
Anyone have an example of the AP cartridge?
Info from the pamphlet:
HE projectile = 180 gms
HE weight = 27 gms
Case material = steel
Driving band = steel
Fuze = Super quick, self destruct
Single base propellant = 90 gms
MV = 3610 ft/sec.
Case weight = 227 gms
Tracer time = 3 seconds
HE cartridge weight = 513 gms
AP (APDS or APDS-T?)
Projectile weight = 120 gms
Projectile (tungsten penetrator with alumimum sabot and aluminum ogive material) weight = 80 gms
Propellant weight = 100.5 gms
Steel driving band
MV = 4460 ft/sec.
Tracer time = 1 second
Cartridge weight (with tracer) = 454 gms
Attachments
Last edited: