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Sailboat Specifications for IRWIN 65/68

Rigging and Sails

Rig Type
Masthead Ketch
Listed Sail Area
1787sq.ft.
166.01sq.m.
Fore Sail Area
1sq.ft.
92.93sq.m.
I
75.5ft.
23.01m.
J
26.5ft.
8.08m.
E
23ft.
7.01m.
P
69ft.
21.03m.
PY
14.5ft.
4.42m.
EY
14ft.
4.27m.
Sail to Displacement Ratio
16.62

Engine Specifications

Engine Make
Perkins
Engine Model
853H
Engine Fuel Type
Diesel
Engine Horse Power
240

PHRF Rating

High
39
Low
39
Average
39
Source
US Sailing
More Details
Rig Dimensions

Performance Calculations

Maximum Hull Speed
9.85 kts.
Capsize Screening Formula
1.62
Sail Area/Displacement (SA/D)
15.6
Displacement/Length (D/L)
222.56
(Moderate Displacement)
Motion Comfort Ratio
44.15

Note: The performance calculations are theoretical numbers which are calculated off the specifications of the vessel and should be used for educational purposes only. For actual performance statistics contact the manufacturer of the vessel.

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