Cable drums to pick up and pay out the cable were installed in the spar deck where a dynamometer was also installed.
12.
To the right of the door is a large opening through which can be seen two large cable drums with extant steel cable.
13.
Counterweights are required for two separate purposes : to counter the turning moment of the wrapping machine and to balance the cable drum payload.
14.
The more sophisticated designs of wrapping machines have automatically adjusting counterweights that maintain balance throughout the span as the cable drum becomes progressively lighter.
15.
It is mounted on a concrete slab and has two exposed gear wheels and two cable drums with steel cable extant on the larger drum.
16.
When the system detaches it and the cable drum feeds the secondary cable, the vehicle can dive down, and its position is measured by the acoustic positioning system.
17.
In this case there has to be the provision of a cable drum on which to haul, shoot and stow the cable during the different phases of the operation.
18.
On one occasion silence is imperative, since they're close to the enemy, however the hole in the cable drum spool is square, making a great noise as it unreels.
19.
Both tug skippers, Kelly Sprague of " Hercules " and George Anderson of " Monarch ", had fortuitously loosened their cable drums connecting the tow lines to " Oklahoma ".
20.
This was a Sherman undercarriage, either original or a new mild steel copy, with a 45 ft tower and 3 working cable drums mounted on top built for cable logging.
