Retro rocketsSection 2 - Army Rockets (Service Types): 2.36-inch A/T
U.S. EXPLOSIVE ORDNANCE
PART 2 - ROCKET AND ROCKET FUZES
Chapter 5 - ROCKET BODIES
Section 1 - INTRODUCTION

PROPELLANT GRAINS

Mark

Mod

Shape

 

Cruciform

Cylindrical

 

 

 

 

U.S. Navy
Thickness
(inches)

Outside
Diameter
(inches)

Outside
Diameter
(inches)

Inside
Diameter
(inches)

Body
Diameter
(inches)

Weight
(pounds)

Length
(inches)

Motors
Used in

1

---

Cylindrical

---

---

1.97

0.59

1.70

1.429

11.60

2.25" R.M. Mks
1, 3, 7, 8, and 9

2

--- " --- --- 1.97 0.43 1.70

1.551

11.60

2.25" R.M. Mk 3

3

--- " --- --- 1.97 0.51 1.72

1.503

11.60

2.25" R.M. Mk 3

3

1

"

---

---

1.97

0.51

1.70

1.503

11.60

2.25" R.M. Mk 3

4

---

"

---

---

1.10

0.50

0.99

0.207

5.80

 

4

1 " --- --- 1.10 0.53 0.99

0.207

6.10

 

5

--- " --- --- 1.10 0.50 0.99

0.142

4.10

 

5

1

"

---

---

1.10

0.53

0.99

0.142

4.10

 

6

---

"

---

---

2.95

1.41

2.49

1.800

8.06

3.25" R.M. Mk 1

6

1 " --- --- 2.96 1.42 2.51

1.800

8.06

3.25" R.M. Mk 1

7

--- " --- --- 2.96 1.38 2.49

2.800

13.00

3.25" R.M. Mk 2

7

1 " --- --- 2.96 1.37 2.51

2.800

13.00

3.25" R.M. Mk 2

8

--- " --- --- 2.96 1.38 2.49

4.140

19.30

3.25" R.M. Mk 3

8

1

"

---

---

2.96

1.37

2.51

4.140

19.55

3.25" R.M. Mk 3

9

---

"

---

---

2.96

1.42

2.51

1.690

8.15

3.25" R.M. Mk 4

10

--- " --- --- 1.97 1.63 1.70

1.397

11.50

2.25" R.M. Mk 5

11

--- " --- --- 2.96 1.05 2.55

5.250

20.25

3.25" R.M. Mk 5

11

1

"

---

---

2.96

1.05

2.55

5.250

20.25

3.25" R.M. Mk 5

12

---

"

 

 

1.10

0.53

0.99

0.298

8.30

1.25" R.M. Mk 4 and
Mk 4 Mod 1

12

1 " --- --- 1.10 0.53 0.99

0.298

8.80

1.25" R.M. Mk 4 and
Mk 4 Mod 1

13

---

Cruciform

0.990

2.93

---

---

---

8.830

34.00

3.25" Mk 7 (Aircraft)

14

---

Cylindrical

---

---

2.96

1.03

2.55

3.77

14.60

Rocket Mk 10 (Target)

15

--- " --- --- 2.96 1.03 2.55

2.60

10.10

Rocket Mk 11

16

--- " --- --- 1.97 0.26 1.70

1.75

13.287

2.25" Mk 10

16

1

"

---

---

1.97

0.26

1.66

1.75

14.037

2.25" Mk 10, Mk 10-1,
Mk 11 and Mods

17

---

"

---

---

1.97

0.26

1.66

1.12

9.25

2.25" Mk 12, Mk 13
and Mods

18

0 Cruciform 1.540 4.53 --- --- --- 24.83

39.75

5.0" Mk 1, Mk 1

19

0

"

1.540

4.53

---

---

---

38.00

59.75

11.75" Mk 1.4 grains
required for one
assembly

20

0

"

0.990

2.93

---

---

---

8.83

34.00

3.25" Mk 7 (Aircraft)

21

0 " 1.540 4.53 --- --- ---

10.38

16.75

5.0" Mk 3 (H.V.S.R.)

22

0 " 1.540 4.53 --- --- ---

5.83

9.35

5.0" Mk 4 (H.C.S.R.)

23

0 " 0.990 2.93 --- --- ---

2.50

9.95

3.50" S.S. Mk 13

24

0 "          

 

 

5.0" S.S. Mk 5

25

0

"

 

 

 

 

 

 

 

5.0" S.S. Mk 6

Figure 114. Rocket Propellant Grains

Retro rocketsSection 2 - Army Rockets (Service Types): 2.36-inch A/T