Submarine Appliances And Their Uses
Deep Sea Diving, &c., &c.
Forfatter: R. H. Davis
År: 1911
Forlag: Siebe, Gorman & Co., Ltd.
Sted: London
Sider: 183
UDK: 626.02
A Diving Manual
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Table IL, showing Stoppages during Ascent after exceeding the Ordinary
Limits of Time on the Bottom, in accordance with British Admiralty Practice.
Depth. Pressure in lbs. per sq. in. Time from leaving Surface to beginning of Ascent. Stoppages at different Depths in Minutes. Total Time for Ascent in Minutes.
Feet. Fathom 80 feet. 70 feet. 60 feet. 50 feet. 40 feet. 30 feet. 20 feet. 10 feet.
66 11 29| Over 3 hrs. — — — — — — 10 30 42
72 12 32 f 2 to 3 hrs. — — — — 10 30 42
(Over 3 hrs. — — — — — — 20 30 52
78 13 341 /1| to 2| hrs. — — 20 30 52
(Over 2| hrs. — — — — ■— — 30 30 62
( to 2 hrs. — — ' 15 30 47
84 14 37 -i 2 to 3 hrs. . — — — — — 5 30 30 67
! Over 3 hrs. — — — — — 10 30 35 77
( 1 to 1| hrs. — — — 5 15 25 47
90 15 40 - to 2| hrs. — — - — — 5 30 30 67
(Over 2| hrs. — — — — — 20 35 35 92
16 (55 mins, to hrs. — — — 5 15 30 52
96 42j 1| hrs. to 2| hrs. — — — — — 10 30 35 77
( Over 2| hrs. — — — — 30 35 35 102
108 C 40 mins to 1 hr. .. — — — 10 15 20 48
18 48 ■< 1 hr .to 2 hrs. — — — — 5 15 25 35 83
( Over 2 hrs. — — — . — 15 30 35 40 122
120 ( 35 mins, to 1 hr... —- — — 5 10 15 25 57
20 53| 1 1 hr. to 2 hrs. — — ■ . — — 10 20 30 35 97
( Over 2 hrs. — — — — 30 35 35 40 142
132 22 ( % hr. to J hr. — — — 5 10 15 20 53
59 < J hr. to 1| hrs. . . — — — 5 10 20 30 30 98
(Over 1| hrs. — ■ — — 15 30 35 40 40 163
144 (25 min. to f hr. .. —. — — 3 5 10 15 25 61
24 64J -J 2 hr. to 1J hrs. .. — — • — 10 10 20 30 35 108
( Over 11 hrs. — — — 30 30 35 40 40 178
156 70 ( 20 mins, to 35min. — — — 3 5 10 15 20 56
26 - 35 mins, to 1 hr. — — — 7 10 15 30 30 95
( Over 1 hr. — — 20 25 30 35 40 40 193
168 (16 mins.to 30mins. — — — 3 5 10 15 20 56
28 75 - 30 mins, to 1 hr .. — — 3 10 10 15 30 30 101
I Over 1 hr. — 5 25 25 30 35 40 40 203
14 mins.to20mins —. — — 3 3 7 10 15 41
180 30 80| 20 mins.to30mins. — — 2 2 3 10 15 25 60
30 mins, to 1 hr... — 3 3 7 10 20 30 35 111
Over 1 hr. — 15 25 30 30 35 40 40 218
( 13 mins.to 20mins. — — — 3 3 7 15 15 46
192 32 86 J 20 mins.to30 mins. — — 3 3 5 10 15 25 64
1 30 mins, to 1 hr. — 3 5 10 12 20 30 35 118
' Over 1 hr. 5 20 25 30 30 35 40 40 228
( 12 mins.to20 mins. — — 3 3 5 7 10 20 51
204 34 9Q j 20 mins.to30 mins. — 3 3 3 5 10 20 20 67
1 30 mins, to 1 hr. 3 3 5 10 15 20 30 35 124
1 Over 1 hr. 15 20 25 30 30 35 40 40 238
49