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 any image for
rotating, 360 ° view!
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!
E
xtensive 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
Joseph Oster
www.josephoster.com
-
Oregon
Versions
of this design:
All 3D models created by Joseph Oster using
MultiSurf
by
AeroHydro
1
2
3
4
5
Site Map
Proa Links!
