SUMMARY

The Trent Class Lifeboat,

an all-weather vessel operated by the Royal National Lifeboat Institution (RNLI), represents a pivotal advancement in maritime rescue capabilities. Introduced in 1994, with a top speed of 25 knots. This robust vessel features an innovative hard chine hull design that shares its geometricshape with the larger Severn class, allowing it to operate effectively in constrained locations, including marina berths. A key design element is its sheerline,sweeping down into a 'welldeck' area specifically engineered to ease the recovery of casualties, even those on stretchers, combined with a remote 'a-frame' hoist. Its powerful propulsion, advanced navigation and communication systems, and extensive provisions for crew and survivor care underscore its critical rolein modern sea rescue. The Trent class has proven highly effective during its service, with early models achieving medal-winning services, demonstrating their operational success in challenging conditions.

Details:

Engine: MAN D2840LE 401

Horsepower: 860

Fuel Type: Diesel

Beam: 4.9m

Draft: 1.45m

Keel: Bilge Keel

Hull Construction: Composite

Drive Type: Shafts and Propellers

Displacement: 28000kg

Fuel Tank Cap: 4180l

LOA: 14.3m

Range: 250 miles

Builder: Green Marine

Designer: Green Marine

Hull Type: Semi Displacement

MECHANICAL

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Twin MAN diesel engines. Many vessels are fitted with two MAN D2840LE 401diesel engines, each producing 860 hp (641 kW).

Propulsion Mechanism:Achieved via ZF190 gearboxes, shafts, and propellers. One of the twin MANdiesel engines is turned around, driving its propeller conventionally, while theother works through a 'V' drive.

Fuel Capacity: Substantial fuel capacity of 4,180 litres, supporting an impressive operationalrange of 250 nautical miles (460 km).

Propeller and Rudder Protection: Propellers and rudders are strategically positioned within partial tunnels set into the hull, complemented by two bilge keels, providing excellent protectionfrom damage, particularly in shallow water.

DECK

Welldeck:A critical design element where the hull's sheerline sweeps downinto, specifically engineered to facilitate the ease of survivor recovery ontothe lifeboat.

Salvage Pump:Housed in a watertight container on the afterdeck for inter-vessel salvage operations.

Fire Hoses:Two fire hoses are available on the afterdeck for proficientfirefighting capabilities.

Crew Seating:The main deckhouse provides seating for six crew members,plus an additional seat for a doctor.

SAFETY

All-weather vessel:

Designed for extensive maritime search and rescuecoverage in all conditions.Twin-engine setup:

Provides critical redundancy, ensuring propulsion even ifone engine fails.

Robust Construction: Constructed using advanced composite materials

(epoxy fibre-reinforced composite, 100mm thick foam-cored sandwich construction for the hull, 25mm thick foam-cored sandwich for thedeck/superstructure).

Watertight Compartments:Designed with five watertight bulkheads ,creating six distinct compartments (fore peak, fore store, survivor cabin, tankspace, machinery space, and aft peak steering compartment) to ensure buoyancy even if compromised.

Self-Righting Capability:

The main deckhouse is a watertight space, integral to the boat's self-righting capability, allowing it to recover from a capsize.

Survivor Capacity:

Total survivor capacity of73 persons, with a self-righting capacity of 20 persons.

Propeller and Rudder Protection:Housed within partial tunnels andcomplemented by bilge keels for protection from damage in shallow water andagainst underwater obstacles.