Draft vs Load in pounds for Cataraft Tubes

 
This color indicates the water line ( the length of the tube bottom resting on a floor, not actually in the water)
This color indicated the diameter of the tube
Click on the name to see a picture or computer model of the product
If the waterline length is not mentioned, one can get a good idea of load by multiplying the percentage of waterline
by one of the waterlines in a similar diameter column. For more info read about Archemides Principal here.
On a cylinder (cataraft Tube) length is proportional to load.
 
16in x 6.5 ft
16in x 5 ft
19in x 5ft
19in x 6ft
19in x 9ft
22in x 7.5ft
22in x 9.8ft
               
2 in
82
78.5
70
77
125
110
139
4 in
221
242
187
206
337
306
387
6 in
388
458
334
367
601
556
704
8 in
566
707
492
542
886
818
1036
9 in
573
631
1032
964
1220
10 in
1117
1414
 
Draft 24.5 diameter and over _these tubes come standard with blunted cones
Stretched
big brother
             
24.5in x 9ft
24.5in x 10ft
24.5in x 10ft
27.5in
x 12.5ft
30 in
x 12.5ft
30in
x 15ft
36in
x 17.5 ft
               
2 in
139
155
139
214
221
265
346
4 in
387
430
400
584
613
736
941
6 in
704
782
782
1028
1083
1300
1673
8 in
1036
1151
1175
1568
1627
1952
2584
9 in
1220
1356
1375
1843
1937
2325
3017
10 in
1414
1571
1600
2102
2232
2678
3483
12 in
2683
2863
3435
4499
14 in
3216
3488
4186
5525
15 in
3828
4593
6103
16 in
6607
18 in
7717


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