46 C.F.R. § 111.25-15

Current through September 30, 2024
Section 111.25-15 - Duty cycle

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.

Table 111.25-15

Application of motor Minimum short-time rating of motor, in hours
Deck winch and direct acting capstanHalf.
Deck winch with hydraulic transmissionContinuous at no load followed by 1/2 hr. at full load.
Direct acting windlassOne fourth.
Windlass with hydraulic transmissionHalf hour idle pump operation, followed by 1/4 hr. full load operation.
Steering gear, direct actingOne.
Steering gear, indirect driveContinuous operation at 15 pct. load followed by 1 hr. at full load.
Watertight door operators1/12.
Boat winches1/12.

46 C.F.R. §111.25-15