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!
Click for large view!

Click for large view!
Click images for larger views, October 2021 - Rig and Sails

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.

Ama (51 feet) carrys 25% of total displacement 30 feet to windward, between hull centerlines.

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)
Marshal Isles Proas (270K)
Click for rotating view!
Web site by wingo.com
Joseph Oster
www.josephoster.com -
Oregon
Joseph sailing!
Previous Versions: 2018
All 3D models created by Joseph Oster using MultiSurf by AeroHydro or Rhino/Grasshopper





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