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About Triplefin the Boat

Triplefin is a classic Norm Cross 49’ (15m) Trimaran, custom built in ‘87.
With a beam of 26' (8m), she has more deck space than any other boat in her class.
In addition to harnessing the winds, she has been converted to full-on solar.

Features​

Power:​

  • 6.3kW of solar power (more than a typical home installation)

  • Two wind turbines

  • 40kWh of battery storage

  • 10kW inverters, and a

  • 30kW dual electric motor

  • All electric appliances

  • Electric dive compressor

Capabilities: ​

  • Cuising speed of 5 knots from sun alone

  • 24 hour continuous cruising power from solar

  • (and sails when we need them) 

​​

Accommodations:

  • Three cabins with four double berths​

  • Extra convertible sleeping space

  • Outdoor sleeping space

  • Full all-electric galley with two refrigerators

  • Three heads

  • Hot shower

  • Air conditioning

  • 40GPH reverse osmosis desalination system

​​

Safety

  • 3D Sonar

  • 24 nautical mile radar

  • EPIRB emergency beacon

  • Nautilus Personal Beacon

  • 24/7 Satellite weather

  • Life Raft

  • All power systems are redundant​​​​​​​

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10980 N Rudasill Rd
Tucson, AZ 85743 USA

+1 520 904-2364

Project Triplefin is supported by The Biodiversity Group, a US 501(c)(3) organization, and all donations are tax-deductible.

Unless noted, all content on this site is copyrighted 2026 by Paul S. Hamilton, Stephanie Jo Bowman, or Triplefin Expeditions.

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