2.25-inch A.R. Practice
U.S. EXPLOSIVE ORDNANCE
PART 2 - ROCKET AND ROCKET FUZES
Chapter 5 - ROCKET BODIES
Section 4 - NAVY ROCKETS

2.25-inch Assemblies

Motor

Head

Velocity

Approximate
Trajectory of

2.25" Mk 10 or 11

2.25" Mk 1 or 3 (1.6 lb.)

1150 ft./sec.

3.5" Rocket (3.25" Motor)

2.25" Mk 12 or 13

2.25" Mk 1 or 3 (1.6 lb.)

810 ft./sec.

5.0" Rocket (3.25" Motor)

2.25" Mk 10 or 11

2.25" Mk 2 (8.6 lb.)

810 ft./sec.

5.0" Rocket (3.25" Motor)