Pacific Proa Company - Performance Sailing Multihull Cruising

Links to other Proa Web Sites

Pacific Proa: Double-ended, bi-directional
sailing multihull with
main hull to leeward (~75% displacement)
and small hull to weather (~25% displacement)

Goes opposite direction when tacking!

This 21 meter (69 feet) Pacific proa displaces 20,000 lbs. as drawn (10 U.S. "short tons").
Main hull BWL is 4.0 feet, LWL is 67.14 feet, LB ratio is ~17:1, prismatic is 0.62.

Base Speed: 13.6 knots
Ama (51 feet) carrys 25% of total displacement at rest, 30 feet to windward.

Performance cruisers ranging in length from 69 to 85 feet (21..26 meters).

Proa compared to Catamaran

Scalable Pacific proa design!

Currently designing large
multihulls inspired by the
Flying Proas of Micronesia.

Feet
69
85
102

Meters
21
26
31

Displacement
7-10 tons
?? tons
?? tons

	large hull	small hull
Length	69 feet	52 feet
Displacement	7.5 tons	2.5 tons
Beam	4.0 feet	2.6 feet
Draft	2.0 feet	1.4 feet
D/L Ratio	22 at rest, 29.5 flying ama	21.5 at rest

Marshal Isles Proas (270K)

Previous Versions: 2018		All 3D models created by Joseph Oster using MultiSurf by AeroHydro or Rhino/Grasshopper

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