Each motor must be rated for continuous duty, except a motor for an application listed in Table 111.25-15 or a similar duty must meet the minimum short-time rating stated in the table.
| Application of motor
| Minimum short-time rating of motor, in hours
|
|---|
| Deck winch and direct acting capstan | Half.
|
| Deck winch with hydraulic transmission | Continuous at no load followed by
1/2 hr. at full load.
|
| Direct acting windlass | One fourth.
|
| Windlass with hydraulic transmission | Half hour idle pump operation, followed by
1/4 hr. full load operation.
|
| Steering gear, direct acting | One.
|
| Steering gear, indirect drive | Continuous operation at 15 pct. load followed by 1 hr. at full load.
|
| Watertight door operators |
1/12.
|
| Boat winches |
1/12. |
authority: 46 U.S.C. 3306,
3703; DHS Delegation No. 00170.1, Revision No. 01.2. Section 111.05-20 and Subpart 111.106 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905
source: CGD 74-125A, 47 FR 15236, Apr. 8, 1982, unless otherwise noted.
cite as: 46 CFR 111.25-15