International Thunderbird Class Association
The Black Book
January 1994
Revised:
January 1996
January 1997
January 2005
Table of Contents
Preface
CONSTITUTION
Article 1
Name
Article 2
Emblem
Article 3
Object
Article 4
Policy
Article 5
Organization
Article 6
Procedures of the Association
Article 7
Dues
Article 8
Racing Regulations
Article 9
Obligations
SPECIFICATIONS
1.0
References of Official Plans (Distributed by I.T.C.A.)
2.0
Arrangement
2.1
Appearance
2.2
Hull Shape
2.3
Cabin Location and Size
2.4
Cabin Interior Layout
2.5
Cabin Side Windows
2.6
Cockpit
2.7
Cabin and Entry Hatches
2.8
Deck Hatch, Anchor Well
2.9
Equivalent Hardware
2.10
Engine location
2.11
Openings in Hull Exterior
2.12
Hiking Assists
3.0
Construction
3.1
Materials
3.2
Wood Hull and Deck
3.3
Fiberglass Hull and Deck
4.0
Hull
4.1
Shape
4.2
Chain Plates
4.3
Mast Hole at Deck
4.4
Mast "J" Dimension
5.0
Rudder
5.1
Rudder Construction
5.2
Original Rudder Shape
5.3
Spade Rudder Shape
6.0
Keel
6.1
Material
6.2
Weight
6.3
Shape
7.0
Spars
7.1
Mast Construction
7.2
Aluminum Mast Weight
7.3
Mast Dimensions
7.4
Mast Section Measurements
7.5
Spreaders
7.6
Jumper Struts
7.7
Boom
7.8
Spinnaker Pole
7.9
Other Spars
8.0
Rigging
8.1
Standing Rigging
8.2
Shrouds
8.3
Jumper Strut Stays
8.4
Forestay
8.5
Backstay
8.6
Running Rigging
9.0
Sails
9.1
Sail Materials
9.2
Sail Windows
9.3
Insignia and Numbers
9.4
Sail Measurement Techniques
9.5
Mainsail
9.6
Genoa
9.7
Working Jib
9.8
Spinnaker
10.0
Weight Requirements
10.1
Bare Boat Weight
10.2
Racing Weight
11.0
Instumentation
11.1
Allowable Instrumentation
TIPS TO BUILDERS