IRWIN 39 CITATION

IRWIN 39 CITATION
IRWIN 39 CITATION

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 39.75 ft
LWL: 31.17 ft
S.A. (reported): 769.00 ft²
Beam: 12.17 ft
Displacement: 16,890.00 lb
Ballast: 6,500.00 lb
Max Draft: 6.25 ft
Construction: FG
First Built: 1979
Builder: Irwin Yachts (USA)
Designer: Ted Irwin

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 2GM20
Type: Diesel
Fuel: 40 gals

Accomodations

Water: 100 gals

Sailboat Calculations

Definitions
S.A. / Displ.: 18.76
Bal. / Displ.: 38.48
Disp: / Len: 248.98
Comfort Ratio: 27.74
Capsize Screening Formula: 1.90
S#: 2.34
Hull Speed: 7.48 kn
Pounds/Inch Immersion: 1,355.42 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 52.00 ft
J: 16.50 ft
P: 46.00 ft
E: 14.75 ft
S.A. Fore: 429.00 ft²
S.A. Main: 339.25 ft²
S.A. Total (100% Fore + Main Triangles): 768.25 ft²
S.A./Displ. (calc.): 18.74
Est. Forestay Length: 54.56 ft
Mast Height from DWL: 56.67 ft

Sailboat Links

Designers: Ted Irwin
Builders: Irwin Yachts
Associations: Irwin Facebook Group
Irwin Yacht Owners
Download Boat Record:

Notes

Fixed keel shoal draft: 4.3'
Keel/CB - BU: 4.3'/BD: 9.5'