Ice Yacht Association
Boe-Craft Skeeter One Design Specification
12/11/2011 2:21 PM Rev 7
I. General Rules
1. Requirements. For a yacht to be qualified to race as a Boe-Craft Skeeter, it must conform to the following specifications.
2. Interpretations. The basic principle of the specifications is to maintain the class within reasonable limitations as standard, equalized, one design yachts. It is not the intention of these rules to permit everything not specifically prohibited. Requests for interpretations or deviations shall be made in writing and brought before the Technical Committee for review and decision by majority vote.
II. Overall Dimension
1. The distance from the pivot bolt of the front runner to the pivot bolt of the rear runners when measured down the center of the boat will not exceed 22 feet 9 inches.
III. Component Detail Dimensions
2. Hull A. The hull shall not exceed 20 feet in length overall.
B. The mast step cup shall be 8 feet 3 inches from the rear
axle bolt line + 2 or – 1 inch.
C. The rear of the cockpit opening to the bow shall be 16
Feet 4 inches + or – 1 inch.
D. Cockpit width to be 2 feet 9 inches + or – 1 inch.
Measurement to be taken 1 foot foreword of the aft
Edge of the cockpit excluding padding thickness.
E. Hull weight with springboard to be 200 pounds
Minimum. weight to be measured less all
Removable upholstery and all ratchet and mainsheet
3. Springboard A. Overall length shall be 9 feet 6 inches maximum.
B. Construction shall employ no more than 4 laminates.
C. No mechanical spring action is allowed without a class
D. Length from the steering post to the King bolt Shall be
5 feet 8 inches maximum.
E. Width 11 inches max. Thickness 2 ¾ inches max.
4. Boom A. Thickness Shall be 3/4 inch to 1 1/8 inches.
B. Max vertical depth at the tack end shall be 2 1/2 inches.
C. Max vertical depth at the clew end shall be
8 inches + or – 1 inch.
D. Max vertical depth at center 7 ¼ inches.
E. Length not including jaw 99 inches minimum,
108 inches maximum.
F. Clew plates of stainless steel or aluminum shall be
installed at the tack and clew.
G. One mainsheet fairlead of 5 inch max length is
H. Boecraft pattern to be followed within ½ inch perimeter.
I. A single window is permitted in the boom.
5. Runner A. Cutting edge between runners on plank 17 feet 6 inches
Plank + or – 1 ½ inches.
B. Length overall 18 feet max, 17 feet 10 inches min.
C. Width at center of plank shall be 11 to 11 ½ inches
D. Width at the ends of the plank shall be 9 ½ inches + or –
Thickness to be 3 inches maximum, 1.8 inches minimum
10 inches from the outboard ends of the plank.
E. Construction shall employ no less than 3 and no more
than 5 laminates.
F. Four 3/8 inch bolts shall be used to fasten the plank to
The hull using four holes near the center.
G. Side stay attachment points to be at center of the runner
Chock top plates.
6. Mast A. Overall length including ball 24 feet 5 inches maximum.
B. Thickness 3 inches maximum, 2 ¾ inches minimum.
C. Width fore and aft to be 10 inches max, 8 inches min.
D. Mast pivot to be centered on the width in noted in C.
E. Hound center strap bolt to be 16 feet 6 & ¼ inches
Maximum from the bottom of the ball.
F. Construction shall employ a maximum of 4 laminates.
3 laminates are recommended.
7. Runners A. Main blade length 40 + or – ½ inch.
B. Main Blade cutting edge from heel to the point at which
a 0.050” feeler gauge stops at the lead in to be 32.625
C. Steering blade length 32 + or – ½ inch.
D. Steering blade cutting edge from heel to the point at
Which a 0.050” feeler gauge stops at the lead in to be
E. Blade steel to be 1095
F. Blade thickness limited to 1/4 inch
G. Blades may not be heat treated.
H. Pivot Hole Location 14 to 15 inches from Trailing Edge
of Main blade.
I. Pivot hole location 11 + or – ½ inch from trailing edge
of steering runner.
8. Sheeting A. Winches are prohibited.
B. A single block is allowed at the tack of the boom.
C. A single ratchet block is allowed on the mast step plate.
D. A maximum of 5 single blocks are allowed on the rear
Deck track and boom clew plate.
E. The maximum pulley diameter is 3 inches.
F. A single Cam cleat is permitted in front center of the
9. Sail A. Sail to be measured on floor with fair lay to cloth.
B. Materials: The sail and patches shall be made from
Dacron. Patch size and layers are not restricted. The
Only additional permitted materials are rope for the luff
and foot, with standard sailmaker hardware to finish the
Luff will equal 22 feet 5 inches max, 22 feet min.
Leach will equal 19 feet 6 inches max, 19 feet min.
Distance from Luff at 90 degrees to foot 6 feet 9 & ½
+ or – ½ inch.
Cloth may not extend more than ¼ inch above the
Headboard or 3/8 inch aft of its top aft corner.
D. Eight transverse battens shall be parallel to the foot and
equally spaced along the luff and leach within 1 inch.
The top of the top batten pocket cannot be closer than
20 inches from the measurement hole in the headboard.
And the bottom of the bottom batten pocket cannot be
Closer than 1 inch from the foot tape.
Batten materials and tensioning devices are unrestricted.
E. Sails shall be in compliance with ISA measurement
Requirements for class B and be measured and stamped
IV. Currently Approved Deviations
Runner plank set back from standard 6 inches:
Chuck. Kaye - 2xs and (Pegel built) Gritch
Brendan Cashman – Polar Bear II
Steve Schalk – (Jack in the Green)
Fritz Button – ( Pegel built) B-sting
John Simms – (Pegel built) Icebreaker
Karl Bergesen – (Pegel built)
Tom Freytag – (Lundberg built) Mad Cap
Sparky Lundberg – (Lundberg built) Proud Rebel VI
Note: The location of the Mast step socket to the center of the runner plank on these boats conforms to the 8 foot 3 inch requirement.
Side and framing stays set in from end of runner plank:
Brendan Cashman – Polar Bear II
Fritz Button – B-Sting
43 inch long main runners:
John Simms – Icebreaker
Spring front steering:
Spring board overall length 10 feet:
Spring board steering post to king bolt 6 feet 7 inches:
Rick Pappas – Akebono
Boom Length Minimum: