Specs Irwin 25

1972 Irwin 25 Specifications submitted by E. Cucurello- Owner Hull #104 "POOKA". All specifications from original Irwin brochure published 4/30/72. If you would like a copy of the original brochure contact Ed at : CUCURELLO@worldnet.att.net for details.

Irwin 25

• Length Over All................25' 5
• Length Water Line..............20' 6
• Beam........................... 8' 0
• Draft: Full Keel.............. 4' 0
• Centerboard,Up......... 2' 8
• Down....... 6' 8
• Ballast: Full Keel............. 1,835 lbs
• Ballast: Centerboard........... 2,200 lbs
• Designed Displacement.......... 5,400 lbs
• Sail Area (Main + 100% Jib) ... 315 sq. ft.
• Main................ 148 sq. ft.
• Jib................. 156 sq. ft.
• Rig Dimensions:
• P = 27' 6
• E = 11' 0
• I = 31' 3
• J = 10' 0
• Morc Rating 19 to 19.5
• Aux. Power: Outboard in transom cutout
• Headroom (Main Cabin) ......... 5' 9
• Sleeping Capacity............... 6
• Water Capacity (tank under V-berth) ...25 gals.

Calculations based upon brochure data (by Cucurello)

• DISP/LWL....... 279.8
• SA/DISP (Main + 100% Jib) 15.85
• SA/DISP (Main + 150% Genoa) 19.91
• Ballast/Disp Ratio:
• ________________Keel 33.58%
• ________________CB 40.74%
• Displacement Hull Speed 6.11 Knts.
• PHRF Rating 224 (from New England Web Site)

Info Via Measurements Directly from Hull # 104

• Rig Type:
• ________Sloop
• ________Masthead Rig
• ________Single Upper + Lower Shrouds
• ________Backstay offset to port.
• Standing Rigging 3/16 SS 1X19
• Toggles + Turnbuckles: Bronze 3/8 pin and 3/8 screw
• Centerboard Cable 3/16 Stainless Wire 7X19 2 part + Phenolic Rod
• Halyards (Main + Jib):
• 1/8 wire with 5/16 Dacron Tails
• Spreaders:
• Aluminum Tubing 1 + 1/8 inch diameter: 1/8 inch thick wall @ 32 Inches Length