Monhegan 42 Flybridge Cruiser Jet Boat - C. Raymond Hunt Design

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Team Lyman-Morse is pleased to be teaming up again with one of our most successful design partners – C. Raymond Hunt. Our latest collaboration is the Monhegan 42. This new design, our 18th with the venerable firm, will be available in four configurations - Flybridge, Cruiser, Extended Cruiser and Open - and with jet or traditional drives.

Hull 1 will be an able, fast, 42’ Flybridge jet boat. The owners are looking forward to extended cruising up and down the Maine coast and islands in comfort and safety. With attention to being self-sufficient and quiet, this new design will carry the most modern and efficient equipment available.

To fulfill the design requirements all weights must be kept at a minimum without sacrificing strength or comfort. The hull and deck will be built using the SCRIMP infusion method. Vinylester resin will be used throughout with the core being Corecell. But first, as with all LM builds a mockup was created for layout, helm consoles, anchor-handling gear, and interior accommodations.

The Monhegan 42 is also available in an Open, Extended Cruiser and Cruiser profiles and with props. 

Layout and Design

The hull will be a full-deadrise deep-V with integral chine and lift strips.  The hull shell will be infused in the existing Hunt P38 female mould.  Custom sheer dam, transom insert and jet intake mounting insert pads will be added to give the boat its 42’ feet. Foam coring will be thermoformed where necessary to conform with hull curvature.
A custom deck and flybridge mold will be built.

The steering system is Hamilton Jet-Blue Arrow (two stations), mouse controlled. The general twin Cat Engines (C9 ACERT @ 2500 rpm) installation will be made with a combination of simplicity and the limitation of noise transmission through structure borne sound. The stringer system will be specially built with high-density material for sound absorption and Metalastik type of mounts for further sound reduction.

The owners will enter the living quarters through a custom-designed and built paneled French door. The interior will be built of Mahogany. The interior is to be rich varnished woodwork with the highest standard of cabinetry. All efforts will be to keep the interior light without sacrificing the carpentry.

Mahogany paneling througtout. Built in settee on port and starboard with cabinets on aft end. Rear windows port and starboard to be sliding opening. Sliding door on port side helm station. Rear door to be hinged.  

Saloon table to be fixed height. Also serve as cockpit table. Flush sockets in sole.

The owner’s cabin will be finished in mahogany veneer on light plywood. Double berth with open shelf over the outboard sides. Hanging locker on port and starboard side. Cabinet to have drawer and locker below - drawers under berth. Stowage to be through aft end of berth.In the galley, Corian counter, double stainless sink will be outboard. The owners opted for a microwave and cook top. Drawers and cupboards for storage will be planned with owners. Refrigerator will have drawers. Trash container will be under sink. Glass and dish storage will be over counter fwd or aft. All doors and drawers will be birch. Coffee maker under the cupboard on fwd bulkhead.

A generator will provide energy for air conditioning and heating.

 Teak decks, teak eyebrow with 8 coats of varnish; Custom stainless steel chocks

 The electronics package from Raymarine:

Electronics (Raymarine)




E120W Display Unit




Raystar 125 Plus GPS Receiver




48" 4kW HD Digital Open Array Radar




DSM30 Digital Sounder Module




B120-ST800 Bronze Transducer




X30 Autopilot Corepack




ST6002+ AP Control Head




Fusion Stereo Head Unit w/ fold down screen for ipod/mp3




4 Bose 61/2" Marine Speakers




Type 2 Hydraulic Drive Pump




Ray55 VHF radio




Satellite radio




Docking station MP3




CD sound system throughout










Peregrine, a Hunt 42 built by Lyman-Morse Boatbuilding in Thomaston Maine

Peregrine, a Hunt 42 built by Lyman-Morse Boatbuilding in Thomaston Maine

Length: 1m 42s

Lyman-Morse Monhegan 42 Semi-custom motor yacht -  Hunt Design

Lyman-Morse Monhegan 42 Semi-custom motor yacht - Hunt Design

Length: 3m 43s

LOA: 42'0
LWL: 35'7
Beam: 12'11
Draft: 2'5
Bridge Clearance: 19'9
Fuel Capacity: 460 gallons
Water Capacity: 100 gallons
Designed By: C. Raymond Hunt Design
Builder: Lyman-Morse
Year: 2013
Construction: SCRIMP Composite
Hull Material: Composite
Configuration: Flybridge
Boat Engine: Twin CAT C9 ACERT @ 2500 rpm
Jet: Hamilton Marine HJ322 Jets

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