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!

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Performance cruisers ranging in length from seventy to ninety feet (21..26 meters), ranging in displacement from seven to eighteen tons.  Proa compared to Catamaran  Scalable Pacific proa design! Currently designing large multihulls inspired by the Flying Proas of Micronesia. Feet 69 90 120 Meters 21 26 36 Displacement 7-9 tons 15+ tons 22+ tons

large hull small hull Length 69 feet 38 feet Displacement 5.4 tons 1.8 tons Beam 4.0' 2.5' Draft 2.0' 1.5' D/L Ratio 18 at rest, 22 flying ama 33 at rest, 17 at 50% RM 7 to 9 tons total, 34' beam overall  Balanced Rig - Steering Details!

Marshal Isles Proas (270K) Joseph Oster www.wingo.com - Hanalei, Kauai, Hawaii    Extensive engineering analysis of stability, drag, weight and load capacity, rig, rudders and steering, etc., by Jim Antrim, Naval Architect Click image for larger view of sketch

Versions of this design:		Designed using MultiSurf by AeroHydro
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