36^ 
AND STREAM: 
ov. ^, 1903; 
FIREFLY CHAMPION 25-FOOT CLASS Y. R. A. OF L. I. 
Photo by W. B. Jackson, Marblehead, Mass 
is made, shall cause displacement of such boat to be 
ascertained by the measurer. 
The cost shall be paid by the owner if the displace- 
ment is found to be less than 23,000; otherwise it shall 
be paid by the person making the protest. 
Scantlings, Planking and Construction. — To be as re- 
quired for 36ft. cabin class. 
Ballast. — Ballast on keel shall not exceed 10,500 
pounds. 
Sails. — The sail area to be determined as called for 
in Rule II, Section 3, shall not be over 1,500 sq. ft., and 
not more than 1,150 sq. ft. of actual sail area shall be in 
the mainsail. 
The spinnaker boom shall be carried on the mast 
when in use. The extreme distance in feet from mast 
to end of spinnaker boom, when in position, shall be 
not more than 1,000, divided by the distance in feet from 
deck to spinnaker halyard block. 
The spinnaker sheet shall not be carried forward of 
the head stay, nor outside of the leeward shroud. 
No battens over 3oin. in length allowed to be used 
in sails. 
The forestay shall remain fixed at both ends during 
a race. ■ 
Equipment. — As required for 36ft. cabin class. 
Crew. — As required for 36ft. cabin class. 
Twenty-Seven Foot Sloop CI ss, 
" (Conforming practically to present ,30ft. class.) 
27ft. Sloop Class. — A boat of this class is intended to 
be a seaworthy boat, with fair accommodations, rigged 
simply with only mainsail, working headsails and spin- 
naker.' 
Length Load Waterline. — The length of the load 
waterline, with full equipment aboard, shall not exceed 
27ft. 
Beam Load, Waterline. — The beam at the load water- 
linf in keel boats shall be at least 8ft. gin., and in cen- 
terboard boats at least gft. Sin. 
Breeboard.— The freeboard shall be not less than 26in. 
on:':the said respective required beams, a reduction of 
lim: of the freeboard allowed for every increase of 4in. 
in the beam respectively. 
Displacement and Draft. — For centerboard boats the 
draft shall be not less than 3ft. gin. for at least 7ft. 
length of keel. 
All boats shall displace when rigged .and equipped in 
accordance with these rules, not less than 13,500 pounds. 
The affidavit of the designer shall be accepted as evi- 
dence of the displacement of a boat. 
If, through protest the displacement of a boat shall 
be called in question, the race committee to which pro- 
test is made, shall cause displacement of such boat to be 
ascertained by the measurer. 
The cost shall be paid by the owner if the displace- 
ment is found to be less than 13,500 pounds; otherwise 
it shall be paid by the person making the protest. 
Scantlings, Planking and Construction. — To be as re- 
quired in the 30ft. cabin class. 
Ballast. — Ballast on keel shall not exceed 6,500 
pounds. 
Sails. ^ — The sail area to be determined as called for in 
Rule II, Article 3, and shall not be over 1,050 sq. ft., 
and not more than 850 sq. ft of actual sail area shall 
be in the mainsail. 
The spinnaker boom shall be carried on the mast 
when in use. The extreme distance in feet from mast 
to end of spinnaker boom when in position shall be 
not more than 800 divided by the distance in feet from 
deck to spinnaker halyard block. 
The spinnaker sheet shall not be carried forward of 
the head stay, nor outside of the leeward shroud. 
No battens over 2oin. in length allowed to be used 
in sails. 
The forestay shall remain fixed at both ends during 
a race. 
Equipment. — As required for 30ft. cabin class. 
Crew. — ^As required for 30ft. cabin class. 
Eighteen Foot Knocfcaboot Class. 
Definition. — A boat of this class shall be a seaworthy 
boat, annd not include boats having square sides, or 
square, snub-nosed bow or metal in fin keel; at least 
half of over all length, decked and fitted with air tanks 
of sufficient capacity to float the boat when full of 
water, or watertight cabin bulkhead, rigged simply with 
only mainsail, fore staysail, or jib and spinnaker. 
Length.- — The length on the 1. w. 1., with full equip- 
ment on board, shall not exceed 31ft., and neither for- 
ward or aft overhang shall exceed 7ft. 
Beam.- — The beam at the 1. w. 1. in keel boats shall 
be at least 6ft. lin., and in centerboard boats at least 
6ft. 6in. The extreme beam at a point halfway between 
the forward end of the 1. w. 1. and the extreme bow 
shall not exceed 40 per cent, of the greatest waterline 
beam. The girth of the hull at said point shall not ex- 
ceed the number of inches represented by the sum of 
the beam, plus the depth of the hull, plus 3, measured 
at the same point. The freeboard at this point shall 
not be less than 22in. 
Freeboard. — The minimum freeboard shall be at least 
I7in. The depth of hull, girth and freeboard shall be 
measured from the top side of the covering board. 
Displacement and Draft. — For centerboard boats the 
draft shall not be less than 2ft. 6in. for at least 4ft. 
length of keel. 
All boats shall weigh, when rigged and equipped in 
accordance with these rules, not less than J.,000 pounds, 
exclusive of inside ballast. It shall be the duty of the 
measurer to see that nothing is on board when the boat 
is weighed except what these rules prescribe, and that 
the boat is in every way in her normal condition. 
Scantling, Planking and Construction. — The keel, 
stem, frames, house and deck beams shall be of oak, 
or its equivalent in strength. The frames shall be not 
less than J^sin- ; deck beams not less than i%in. section. 
The spacing of frames, deck and house beams to be not 
more than gin. center to center. The planking, includ- 
ing the deck and side of house, shall be not less than 
^in. thick; the top of house shall be not less than 5^in., 
both, when finished; except that an allowance of ^in. 
in thickness of deck can be made if it is canvas covered. 
Deck clamps shall run from stem to stern, with a mini- 
mum cross section of 3 sq. in. for at least one-half 
length; also bilge stringers of at least 3 sq. in. cross 
section shall run for at least one-half the extreme length 
of the boat midships. Clamps and stringers to be of 
yellow pine, or its equivalent in strength. 
Sails. — The sail area shall be not over 450 sq. ft. and 
not over 360 sq. ft. of actual sail area shall be in the 
INGOMAR. 
The schooner that is to race next season in BrUish and German waters. She was designed and built by the Herreshoff Mfg. 
for Commodore Plant, tarchmont Y, C, Pboto by N. I,. Stebbins, Boston. 
Co. 
