Maine Cat 38 Specifications

LOA: 38 ft 0 in
Beam: 21 ft 0 in
LWL: 36 ft 5 in
Minimum Draft: 2 ft 5 in
Maximum Draft: 6 ft 6 in
Dry Weight: 8100 lbsEngines
Total Power: 20 HP

Engine 1:
Engine Brand: Yamaha
Year Built: 2017
Engine Model: 9.9
Engine Type: Outboard 4S
Engine/Fuel Type: Gas/Petrol
Location: Starboard
Engine Power: 10 HP

Engine 2:
Engine Brand: Yamaha
Year Built: 2017
Engine Model: 9.9
Engine Type: Outboard 4S
Engine/Fuel Type: Gas/Petrol
Location: Port
Engine Power: 10 HPTanks
Fresh Water Tanks: (82 Gallons)
Fuel Tanks: (44 Gallons)

Number of heads: 1


  • General Design Theory – lightweight – high performance – simple to sail and maintain
  • Open bridgedeck – better visibility, better looking and great air flow
  • High Fineness ratio – length to beam ratio close to 12:1.
  • Flared hulls with protective “shoulder” – drier ride and huge interior volume
  • Retractable daggerboards and outboard motors – beachable, higher pointing angles and less drag off the wind.  Gunkholers delight – 2′-9” draft
  • Very simple layout – lightweight Core-Cell cored resin infused interior cabinetry, cherry framed doors
  • High sailing speeds
  • Aux Power – 2 x Yamaha 9.9 high thrust XL shaft outboards

General Design Parameters:

Design to be single-handed.  Fun to sail and out-perform all current cruising catamarans on the market.  Comfortable, safe, easy to sail and affordable.

Build the lightest structural components possible by thermoforming Core-Cell PH core and resin infusing 100% vinyl ester resin in female molds.  Hull Shapes are designed to maximize the interior volume, minimize the waterline beam and keep spray down and off the deck and windscreen.  The nicely radiused chine and “shoulders” we designed provides almost 6 feet at the maximum beam of each hull, yet the waterline maximum beam is only 38” when she is fully loaded to 12,400 lbs (lightship is 8100lbs).  Our chine is over 12 inches above the DWL and will provide very little resistance or interference for our racer owners and huge additional buoyancy for our loaded-up live aboard cruisers in large seas.

Our approach to the rig design is also going to offer our owners a number of choices to fit their skill level and cruising area.  Our standard rig will be a Selden fixed fractional rig with furling self-tacking jib and fully batten main similar to our MC 41 setup.  Bowsprit and huge code 0 that can be carried to 55 AWA. All sails designed by Dave Calvert.

Advantages of Thermoforming the Structural Core in NEW MC 38:

Thermoforming is a process of heating the Core-Cell coring to a point where the mechanical rigidity in the foam is temporarily broken down to a level which makes it flexible, allowing it to be shaped and “formed”. This temporary flexibility is reversed by the cooling of the foam where full mechanical properties are restored.  This method of construction reduces the weight of the structure by removing any excess resin in the typical PVC core with saw-cuts and also allows a tighter and more accurate fit of the core. This leads to weight savings in core bonding and kerf filling during the build process.

There are many reasons why thermoforming is a good idea in composite sandwich components.

Thermoforming core eliminates the need to have any core cuts or grooves to increase shaping capability, and as a direct result a thermoformed core will not have the additional weight of the resin or adhesive required to fill these grooves.  By eliminating resin in the saw cuts, the Maine Cat 38 has superior cosmetics and no “print” through.

Thermoforming allows a tighter fit tolerance to the skins (more time can be taken to ensure the fit is correct). This allows the core to fit with much less filling compound and adhesive – both of which can add significant weight to a component when fitting poorly shaped core.

Thermoformed core will demonstrate the exact mechanical properties indicated by the data sheet and product information. The addition of cuts and grooves to the core materials can have large impacts on the mechanical properties which should be accounted for during the design process when specifying core materials in sandwich construction.  The end result is we achieve stronger and lighter composite assemblies that are better engineered for a superior finish product.

The major disadvantage of thermoforming is the time requirement. The process of thermoforming core is one that requires considerable care and time, making it difficult to integrate into a production build scenario unless additional tooling and operations are available.

Maine Cat has made this investment in additional tooling and all our thermoforming is performed inside female production molds.  Maine Cat is the only production catamaran builder in the world utilizing Core-Cell thermoforming coupled with vinylester resin infusion.

The NEW Maine Cat 38 is stronger, lighter, and a blast to sail.

Interior Accommodations and Finish

  • Headroom minimum 6’-3” to maximum of 6’-10”, painted headliners
  • Berths for up to five (5), two (2) queen berths aft in each hull, 60” by 6’-8”
  • Large single in port hull forward is 50” wide at the head by 6’-8” long
  • All cushions below decks (total 3 pieces) are 5” thick medium-density foam
  • All interior bulkheads are resin infused Core-Cell foam cored painted finish.
  • Cherry-veneered Tricel cored plywood lockers and cabinets per plan March 1, 2014
  • Solid surface counter tops in galley ½” thick with back splash
  • MarineDeck 2000 composit cork no-maintenance flooring each hull, steps and bridgedeck flooring
  • Large (16’ long) tinted acrylic fixed portlights outboard each hull in cabin topsides
  • Two (2) large sealed air chambers forward each hull accessible from interior cabins
  • Fiberglass head starboard forward with sink, shower sump pump, marine head, storage cabinet and separate shower area with frameless glass door

  • Exterior premium ISO-NPG gelcoat
  • Composite thermoformed VIC Core Cell SAN closed cell coring
  • Resin infused vinyl ester resin with quadraxial E-glass knit fabrics
  • Built to ABS and IOS scantlings
  • Hull to deck joint bonded with Plexus structural adhesive and thru-bolted
  • Hull to deck joint glassed on interior with 1708 biaxial tapes multiple layers
  • PVC rub rail with stainless steel insert cap exterior
  • Three (3) coats of SeaHawk bottom epoxy barrier system, two (2) coats BioCopTF

  • Exterior premium ISO-NPG gelcoat with light gray non-skid two tone
  • Composite thermoformed VIC Core Cell SAN closed cell coring
  • Resin infused vinyl ester resin with quadraxial E-glass knit fabrics
  • Composite hardtop roof with two horizontal sliding windows forward sections
  • 316 L stainless horses fore and aft linked to 26” double wire lifeline system
  • Large flush scuppers aft cockpit for self-bailing bridgedeck drainage
  • Bridgedeck flooring to be MarineDeck 2000 9 mm thick composite cork
  • Two (2) large self-draining storage lockers in forward beam
  • Four (4) 12” and two (2) 10” SST 316 mooring cleats and four (4) chocks at bows
  • Total two (2) flush hatches and four (4) portlights, all opening and with screens
  • Two (2) large inboard facing companionway hatches with lockable boards
  • Custom stainless steel stern rail Compoiste davits and inboard side rails
  • Two (2) vinyl coated polyester trampolines forward with centerline plank
  • Stainless steel anchor roller, chain gate, Rocna 20 kg and 200’ of rode
  • Lofrans Project 1000 electric windlass, deck mount, foot switches and helm switch
Daggerboards and Rudders

  • High aspect ratio 12 % NACA composite foils, daggerboards fully retract
  • Balanced high aspect ratio fixed under-body rudders in Tides Marine bearing tubes
  • Center Console mounted wheel steering with 360 degree visibility Edson cable and chain custom designed system with separate autopilot tiller arm at port rudder
Spars and Rigging

  • 49’ Selden anodized aluminum mast fractionally rigged with double spreaders Includes spinnaker and screacher halyards and single line reefs at two points
  • Gull Striker “A”-frame with compression beam and screacher pole
  • Self-tacking headsail furling system, curved track and car with controls
  • Block and tackle 4:1 cap shroud tensioners included port and starboard
  • Three (3) Harken Radial 46.2 STA two speed self-tailing winches, Lewmar clutches
  • One (1) Harken Radial 46.2 STEA electric self-tailing winch at winch pod halyards
  • Nine (9) foot mainsail traveler track, car and controls mounted on the aft beam
  • Outboard hull mounted chain plates, 316L standing rigging, all running rigging std.
Engines and Controls

  • Twin 9.9 hp, 4-cycle, outboard engines, high thrust, 25” extra-long shaft, power tilt
  • Twin single-lever engine controls on console and Mach Zero friction control cables
  • Twin 22-gallon fuel tank with filter/separator each.  Total 44 gallon fuel tankage

  • Electrical distribution panels with sixteen DC circuit breakers and four AC breakers.
  • Navigational lights including foredeck, anchor, steaming and mast top tricolor
  • All interior and bridgedeck 12 volt lighting is LED, total ten (10) fixtures
  • Protected 120-volt inlet shore power plug and three (3) 120-volt outlets
  • Victron 2 kW inverter with 80 amp battery charger, 50’ – 30 Amp shore cord
  • Three (3) 12-volt receptacles and ventilation fan at each berth
  • Output from engine alternators run to the house battery bank

  • Garmin GPS MAP 7612 chartplotter preloaded with BlueChart g2 coastal maps
  • Garmin GNX 20 display with gWind and depth transducers, all NEMA 2000 network
  • Garmin VHF 200 radio with Shakespeare masthead antenna
  • Garmin GHP autopilot with Jefa 150 KgM direct drive Type 1 planetary gearbox drive protected below deck installation w/ feedback
Stove and Refrigeration

  • 10 lb. Aluminum propane tank with leak test gauge, regulator and electric solenoid
  • Three (3) burner propane fired Force 10 cooktop with pot holder kit
  • Custom 5 cu.ft. upright freezer/refrigerator w/ air cooled, 12 volt DC

  • Lavac vacuum marine head w/ 20-gal. gravity waste holding tank
  • Two (2) polyethylene fresh water tanks each 31 gallons
  • Two (2) electric automatic bilge pumps with float switches and fused test panels
  • Whale Gulper gray water pump for shower sump pan in head
  • Hot and cold pressure water at head sink, shower, galley sink and stern shower
  • Precision Temp ShowerMate M-550 propane fired hot water heater
  • Second 10 # Alum. propane tank w/ leak test gauge, regulator and electric solenoid
  • Salt water wash down thru-hull, pump and spigot in forward beam

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