ROYAL NAVY (UNITED KINGDOM)

Names

CMB.14A - 20A

CMB.21B - 23B

CMB.24A

CMB.25BD

CMB.26B

CMB.27A - 29A

CMB.30B

CMB.31BD

CMB.32A - 37A

CMB.38B - 39B

CMB.62BD - 64BD

CMB.65A

CMB.66BD

CMB.67A

CMB.68B

CMB.69A - 72A

CMB.73B - 75B

CMB.76A - 77A

CMB.78E

CMB.79A

CMB.80C - 82C

CMB.83CE

CMB.84C - 85C

CMB.86BD

CMB.87B

CMB.88BD - 92BD

CMB.93E - 97E

CMB.98ED - 99ED

CMB.113CK

CMB.114D

CMB.115DE

CMB.116D - 119D

CMB.120F

Builders

Thornycroft, Hampton: CMB.14A - 18A, 21B, 24A, 25BD, 26B, 27A - 28A, 31BD, 33A - 34A, 36A, 65A, 76A, 78E, 80C, 82C, 83CE, 87B, 93E - 97E, 113CK, 120F

Taylor & Bates, Chertsey: CMB.19A, 68B, 73B, 74B, 84C, 86BD, 114D, 115DE

Camper & Nicholson, Gosport: CMB.20A, 37A, 39B, 69A - 70A, 72A, 75B, 77A, 79A, 81C, 98ED - 99ED, 118D - 119D

Wills & Packham, Stingbourne: CMB.22B, 30B, 63BD - 64BD, 116D - 117D

Salters Bros, Oxford: CMB.23B, 62BD, 67A

Rowhedge Iron Wks: CMB.29A, 35A, 90BD - 92BD

Frank Maynard, Chiswick: CMB.32A, 38B, 66BD, 71A, 85C, 88BD

unknown: CMB.89BD

Completed

1917: CMB.14A - 18A, 21B

1918: CMB.19A - 20A, 22B - 23B, 24A, 25BD, 26B, 27A - 29A, 30B, 31BD, 32A - 37A, 38B - 39B, 62BD - 64BD, 65A, 66BD, 67A, 68B, 69A - 72A, 73B - 75B, 76A - 77A, 78E, 79A, 80C - 82C, 83CE, 84C, 86BD, 87B, 89BD, 93E - 96E

1919: CMB.85C, 88BD, 90BD - 92BD, 97E, 98ED - 99ED, 113CK, 114D, 115DE, 116D, 117D

1920: CMB.118D - 119D

1922: CMB.120F

Losses

CMB.18A (12.4.1918), CMB.24A (18.8.1919), CMB.33A (12.4.1918), CMB.39B (28.4.1918), CMB.62BD (18.8.1919), CMB.67A (18.8.1919), CMB.71A (15.10.1918), CMB.79A (18.8.1919), CMB.99ED (1920), CMB.114D (4/1923)

cancelled: CMB.66A, CMB.118D - 119D

Transfers

none

Discarding

1920: CMB.26B

1921: CMB.15A, 17A, 25BD, 28A, 34A, 35A, 37A, 63BD, 64BD, 65A, 66BD, 68B, 70A, 72A, 76A, 77A, 78E, 86BD, 88BD

1922: CMB.16A, 27A, 29A, 87B

1923: CMB.14A, 73B, 82C, 90BD

1923-1932: CMB.80C

1924: CMB.19A, 20A, 21B, 22B, 31BD, 32A, 36A, 69A, 74B, 96E

1925: CMB.113CK, 120F

1928: CMB.23B, 30B, 38B, 75B, 89BD, 91BD, 92BD, 93E - 95E, 97E, 98ED

1930: CMB.115DE

1932: CMB.81C, 83CE, 84C, 85C, 116D - 118D, 119D

Displacement normal, t

11

Displacement full, t

Length, m

18.3

Breadth, m

3.36

Draught, m

0.92

No of shafts

2

Machinery

CMB.14A - 20A, 24A, 27A - 29A, 32A - 37A, 65A - 67A, 69A - 72A, 76A, 77A, 79A: 2Thornycroft V-12 petrol engines

CMB.21B - 23B, 26B, 30B, 38B - 39B, 68B, 73B - 75B, 86B, 87B: 2 Green 12 petrol engines

CMB.25BD, 31BD, 62BD - 64BD, 86BD, 88BD - 92BD: 2 Green 12 petrol engines

CMB.78E, 93E - 97E: 2 Thornycroft Y-12 petrol engines

CMB.80C - 82C, 83CE, 84C, 85C, 113CK: 2 Sunbeam petrol engines

CMB.114D, 115DE, 116D - 119D: 2 Green 18 petrol engines

CMB.120F: 2 petrol engines

Power, h. p.

CMB.14A - 17A, 19A, 20A, 25BD, 27A - 29A, 31BD, 32A - 37A, 62BD - 64BD, 65A, 66A, 69A - 72A, 76A, 77A, 88BD - 92BD: 500

CMB.21B - 23B, 26B, 30B, 38B, 68B, 73B - 75B, 86B, 87B: 550

CMB.78E, 93E - 97E: 700

CMB.80C - 82C, 84C, 85C, 114D, 115DE, 116D - 119D: 900

CMB.83CE: ?

CMB.113CK: ?

CMB.120F: ?

Max speed, kts

CMB.14A - 17A, 19A, 20A, 27A - 29A, 32A - 37A, 65A, 66A, 69A - 72A, 76A, 77A: 35.3

CMB.21B - 23B, 26B, 30B, 38B, 68B, 73B - 75B, 86B, 87B: 37.1

CMB.25BD, 31BD, 62BD - 64BD, 88BD - 92BD: 35.1

CMB.78E, 93E - 97E: 41

CMB.80C - 82C, 84C, 85C: 41.2

CMB.83CE: ?

CMB.113CK: ?

CMB.114D, 116D - 119D: 40

CMB.115DE: 40.7

CMB.120F: ?

Fuel, t

petrol

Armament

CMB.14A - 20A, 21B - 23B, 24A, 26B, 27A - 29A, 30B, 32A - 37A, 38B, 39B, 65A - 67A, 68B, 69A - 72A, 73B - 75B, 76A, 77A, 78E, 79A, 80C - 82C, 84C, 85C, 86B, 87B, 93E - 97E, 114D, 116D - 119D, 120F: 2 x 2 - 7.7/94, 1 - 450 TT (stern), 1 DCR (4)

CMB.25BD, 31BD, 62BD - 64BD, 83CE, 88BD - 92BD, 98ED, 99ED, 113CK, 115DE: 2 x 2 - 7.7/94, 2 - 450 TT (stern), 1 DCR (4)

Complement

3 - 5