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Class Rules, Measurement & Eligibility

Constitutional Amendments & Class Rules

Official notices and proposals for amendments to the Class Constitution, by-laws, and boat specifications.

87 articles · 1946–2026

Revisions in the By-Laws of the Thistle Class Constitution
1947 March 1947 p. 3

Official notice of constitutional and by-law amendments approved at the January 25, 1947 winter meeting. Changes include specifications for building plans purchase, protection of name and emblem, deck construction, spar dimensions, and registration procedures for new Thistles.

Forum
1948 November 1948 A.M. Hermannp. 3–4

A detailed letter to the editor from A.M. Hermann discussing proposed revisions to Articles XI and XXVII of the Thistle Class by-laws regarding racing restrictions and sail specifications. Hermann presents arguments for and against limiting sail purchases and discusses concerns about standardization versus flexibility in sail dimensions. The letter seeks constructive discussion on these important constitutional matters.

Constitution Review
1949 April 1949 p. 3

Report on a constitutional review meeting held April 9 in Cleveland at the home of John Lovett with several association members present. Recommendations for constitutional revisions were discussed and recommendations were being formulated.

Constitution Amendments
1949 June 1949 p. 2

Several amendments to the Thistle Class Association Constitution and By-Laws will be voted on at the Annual Meeting on August 25. Changes include new membership categories, dues structure, voting rules, racing restrictions, and sail purchase limitations.

Proposed Amendment
1951 July, 1951 p. 5

Proposes amendment to the Constitution recognizing Gordon K. Douglass as Honorary Rear Commodore with permanent advisory membership on the Executive Committee and permanent eligibility for National competition.

Protest!
1953 July, 1953 p. 2

An editorial advocating for amendment of the TCA Constitution to make all official languages English, protesting the current use of other languages for legal documents and questioning why foreign language usage should be tolerated.

Constitution To Be Revamped
1954 December, 1954 p. 1

Bill Heintz has appointed Jack Stevens and Jack O'Shea to a committee tasked with rewriting the Thistle Class Association's Constitution and By-Laws. The revised document will be submitted to the Governing Board for review and then published for member consideration before the Annual Meeting.

Numbering Amendment Defeated At Meeting
1954 September, 1954 p. 1

A proposed amendment to Article XXXI, Paragraph 1 of the Association's By-Laws that would change hull numbering from prior to construction to final delivery was defeated at the Annual Meeting in August.

Proposed Amendment To Constitution and By-Laws
1955 April 1955 p. 1

Announcement of a proposed amendment to the Association's Constitution and By-Laws regarding the governing board structure, to be voted on at the 1955 Annual Meeting.

Amendments to be Voted On at Annual Meeting
1955 August 1955 p. 4

Four proposed constitutional amendments will be voted on at the annual meeting in Detroit: revising the Governing Board composition, removing a section of the by-laws, permitting hiking straps while disallowing hiking posts and trapeses, and establishing specifications for hiking strap dimensions.

FLEET 21 WANTS HIKING STRAPS
1955 May 1955 p. 2

Fleet 21 proposes amendments to the by-laws regarding hiking straps and trapeze equipment. Amendment 1 would delete the ruling under Section 5 of Article XXVII of the by-laws. Amendment 2 would add entitled Winches and Fittings, stating that hiking straps are permitted but hiking posts and trapeze are not allowed.

New By-Laws In Effect
1957 Nov. 1957 H. R. Nelson, David C. Minton, Jr. (TCA Amendments Committee)p. 1–2

The amended by-laws of the Thistle Class Association are reprinted in this issue as they take effect. The amendments cover new measurement and registration procedures, provisions for national championships, and updates to the constitution and class rules.

BY-LAWS OF THE THISTLE CLASS ASSOCIATION AS AMENDED AUGUST, 1957
1957 Nov. 1957 p. 5–8

Complete text of the amended by-laws covering all articles of the Thistle Class Association, including fleet management, dues, charter procedures, reports and returns, sloop naming, measurements and certificates, racing rules and restrictions, and national championship procedures.

Proposed Amendments to the Constitution and By-Laws
1959 July 1959 p. 3–9

Proposed amendments to the TCA Constitution and Bylaws for presentation at the annual meeting in St. Petersburg in August 1959, covering hull construction, spar specifications, weight requirements, and buoyancy tank regulations.

Westin Warns About Experimentation
1959 June 1959 Doug Westin, President of TCAp. 3

Doug Westin, TCA President, addresses class concerns about unauthorized experimentation with adjustable jibs and other equipment modifications, warning that such changes violate class rules and should not be used in sanctioned events.

Rulings Unconstitutional
1961 May 1961 p. 1

Six rulings published in March-April 1961 are declared unconstitutional and withdrawn because they were prematurely printed without Governing Board approval. The rules covered issues like extra buoyancy, rudder fittings, spinnaker pole placement, boom length, clew out-haul, and tiller extension.

Rulings Unconstitutional
1961 May 1961 p. 1

Six rulings published in Bagpipe March-April 1961 have been ruled unconstitutional by the Governing Board. The article lists these illegal rulings and explains that TCA Constitution requires prior approval before rulings are published.

Class Overrides Governing Board
1962 September-October 1962 p. 2

At the annual meeting, fleet representatives override the Governing Board's acceptance of adjustable spinnaker pole fittings. The vote in the open meeting promptly reverses the Board's decision and restores the old ruling 28 on spinnaker fittings on the mast.

Amendments Committee Report
1964 July-August 1964 p. 11

Report on proposed amendments to TCA Constitution addressing bylaw updates and clarifications for consistency with current practices, with specific article changes listed for membership approval.

Amendments Committee Report
1964 July-August 1964 Douglas Westinp. 11

Douglas Westin, Chairman of the Amendments Committee, reports on proposed changes to the TCA Constitution to address inconsistencies and modernize class rules. The report details specific article amendments and clarifications requested by the President's office.

Notice of Proposed Amendments
1965 July-August 1965 p. 14

Formal notice of proposed amendments to the Official Plans and Specifications for Thistle class boats, including technical modifications to centerboard specifications and spinaker measurements, to be voted on at the Annual Meeting.

Notice of Proposed Amendments
1965 July-August, 1965 p. 14

Three proposed amendments to the Official Plans and Specifications of the Thistle Class, to be voted on at the 1965 Annual Meeting during the National Championships.

Executive Committee Action on Yearbook, Constitution
1966 July-August 1966 p. 4

Report on Executive Committee actions regarding the Yearbook size and Constitution clarifications. The Committee approved revised dimensions to make the Yearbook more manageable and clarified the Constitution's Plans and Specifications document to avoid confusion.

Notice of Proposed Amendment
1966 July-August 1966 p. 8

Official notice of a proposed amendment to the Thistle Class Constitution regarding weight specifications, to be voted on at the Annual Meeting during the National Championships.

Notice of Proposed Amendments
1967 May-June 1967 p. 10

Official notice of three proposed amendments to the Thistle Class Constitution and bylaws to be voted on at the 1967 Nationals. Covers modifications to sail grommet specifications, transom trap deck regulations, and jib luff modifications.

Notice of Proposed Amendments
1967 May-June 1967 p. 10

Notice of three proposed amendments to the Thistle Class Official Plans and Specifications that will be voted on at the Annual Meeting in Mentor, Ohio.

Notice of Proposed Amendments
1968 May-June 1968 p. 4–5

Official notice of constitutional and specification amendments to be voted on at the 1968 Annual Meeting in Sayville, including Fleet #101's proposal for Cunningham holes and technical specifications for the class.

Notice of Proposed Amendments
1968 May-June 1968 p. 12–13

Official notice of proposed amendments to Thistle Class Official Plans and Specifications to be voted on at the August 1968 Annual Meeting, including detailed commentary on Cunningham holes and jib furling device proposals.

Article XVI – Limitations Governing Purchase of Sails
1969 January-February 1969 p. 2

A rules article discussing class regulations governing the purchase of new sails by Thistle owners. Limits purchase to one suit per year with exceptions for accidents or damaged sails, and establishes procedures for approving additional sail purchases.

Article XVI - Limitations Governing Purchase of Sails
1969 January-February, 1969 p. 2–3

Discusses the bylaws limiting the purchase of new sails and the rules governing when owners may purchase additional sails for competitive use, including limitations on sail replacements and conditions under which new sails may be acquired.

Proposed Amendments
1970 Summer 1970 p. 12–15

Detailed discussion of proposed amendments to class specifications regarding flotation and all-up weight requirements. Includes technical specifications for buoyancy, fiberglass considerations, and racing performance equalization with focus on keeping boats competitively balanced.

Proposed Amendments
1970 Summer 1970 p. 15

Technical class rule amendments concerning buoyancy and all-up weight specifications for Thistle boats, proposed for consideration at the annual meeting.

Proposed Amendments
1970 Winter 1970 p. 3

Details of proposed class rule amendments from Fleet 65 and Fleet 39 regarding flotation requirements and specifications for fiberglass boat construction.

By-Laws Amendments
1972 JANUARY-FEBRUARY, 1972 p. 17

Full text of the by-laws amendments proposed and approved by the Governing Board regarding district administrative changes, regional vice-president duties, and organizational structure modifications to the Thistle Class Association.

Amendment Proposals
1972 July-August 1972 p. 15–16

Technical proposals for modifications to the Thistle class specifications, including amendments regarding the Cunningham hole, aluminum boom options, limber hole, and changes to district governance positions, with detailed commentary from various fleets.

Proposed Amendments
1972 May-June 1972 p. 12

Report on proposed amendments to TCA by-laws and rules to be voted on at the annual meeting.

TCA Meeting: Amendment Proposals Pass
1972 September-October 1972 p. 18–20

Minutes of the 27th Annual TCA Meeting held August 14, 1972 at the Kenosha Holiday Inn, covering President's report, objectives, problems with communications, fleet growth, mast disputes with D&M, and various amendment proposals adopted by the membership.

Proposed Amendments
1973 May-June 1973 Larry Haupt (817)p. 20

Amendment proposals for the Thistle Class Association covering nominating procedures, permanent rear commodores recognition, and regional vice-president elections, requiring fleet votes at the upcoming Annual Meeting.

Amendment Proposals
1974 July-August 1974 p. 15

Proposed amendments to the TCA Constitution regarding Regional Vice Presidents and Quick Reefing specifications for Thistles, submitted for consideration and vote at the 1974 Annual Meeting.

Proposed Amendments
1974 May-June 1974 p. 9

The Amendment Committee reports on two proposed constitutional amendments to be voted on at the August 1974 Annual Meeting in San Diego. The amendments address regional officer elections and technical modifications to sail rigging specifications for Thistle class boats.

Revisions to Constitution, By-Laws, & Specifications
1976 September-October 1976 p. 15–16

Technical specifications and rule revisions for Thistle class boats, including construction requirements for centerboards, hull materials, and detailed measurements for class compliance.

From the President
1978 June-July, 1978 Lawrence W. Gaenzlep. 2–20

President Gaenzle discusses the proposed constitutional amendments regarding tax-exempt status and nonprofit organization requirements. He emphasizes the importance of bringing all views forward on controversial issues, particularly regarding a divisive emblem dispute with D&M (Douglas & McCloud) over trademark rights.

From the President
1978 June-July, 1978 Larry Gaenzlep. 2–20

President's message discussing constitutional amendments proposed at the Annual Meeting, the business of the Thistle Class Association, and recent developments including the tax-exempt status granted by the IRS and trademark disputes with D&M.

Proposed Amendments to the Constitution and Specifications
1978 June-July, 1978 Multiple fleet officers and committeesp. 13–15

Three major proposed constitutional amendments for the 1978 Annual Meeting: modifications to centerboard specifications, and two competing proposals regarding bow-eye regulations, with detailed comments and rebuttals from various fleets and committees.

Amendment Proposals (continued)
1979 April-May 1979 p. 22

Continued discussion of proposed amendments including third vice president for growth and promotion, twinlines proposal, and implications for Class governance and administration.

Revisions to Constitution
1979 April-May 1979 p. 25–26

Detailed explanations of proposed revisions to the Thistle Class Constitution, including modifications to official plans, by-laws, and specifications that are scheduled to be voted on.

Amendment Proposals (continued)
1979 April-May, 1979 p. 22–23

Continuation of amendment proposals, including discussion of fleet comments and advertising notice for Thomas Sailmakers.

From the President
1979 December-January 1979 Tom Keinathp. 3

President Keinath discusses the new TCA officers and structure, upcoming constitutional amendments, and the establishment of a Past Presidents Council for guidance. He calls for input on proposed amendments by February 1, 1979.

Proposed Amendment
1979 June-July 1979 p. 20

Detailed discussion of a proposed amendment to the Thistle Class Plans regarding the use of mahogany and teak in boat construction. The amendment suggests expanding the materials allowed for wooden parts to include sustainable hardwoods beyond just mahogany and teak, addressing supply and cost concerns.

Amendment Proposals
1982 June-July 1982 p. 7

Proposed amendments to official plans and specifications for the Thistle Class, including changes to centerboard tolerance, parts and materials, boom material, and winch crank specifications. These amendments will be presented to the Annual Meeting.

Proposed Amendments
1985 June/July 1985 p. 19

Official constitutional amendments proposed by the Governing Board regarding the National Race Committee structure, appeals procedures, Governing Board meeting timing, officer nomination procedures, and Junior member status definitions. These amendments were scheduled for voting consideration.

Official Bulletin Board
1986 February / March 1986 p. 3

Announcements regarding class amendments and 1988 Nationals bidding information for fleets interested in hosting.

Amendment Proposals
1992 June/July 1992 p. 6

Detailed proposals for amendments to Thistle Class bylaws and rules, including clarification of membership classifications (Active, Associate, Builder), changes to executive officer duties, Parts and Materials specifications, and modifications to the tiller and jib.

Check Out These Amendment Proposals
1993 June/July 1993 p. 8

Details of proposed rule amendments to the Class including changes to mainsail upper girth dimensions, propulsion rules, positive flotation requirements, and specification material changes.

By-Laws Changes Approved by Governing Board Proxy
1993 June/July 1993 p. 9

Details of approved changes to Class by-laws regarding National Championship courses, chartering provisions for district events, and eligibility requirements for Nationals.

Amendment Proposal For Annual Meeting Vote
1997 June/July 1997 Lloyd Kitchin (3860)p. 7

The Chief Measurer and Executive Committee recommend two amendments to the official Thistle Class plans regarding anti-flutter tabs on the mainsail and jib, which would allow better control of leech flutter and improve sail longevity.

How to Make Changes in the TCA
2000 April/May 2000 Tom Hubbellp. 6–7

Tom Hubbell provides a detailed guide to the process for proposing amendments and changes to TCA rules and specifications. He outlines the difference between membership votes and Governing Board votes, and explains the critical steps of proposal development and promotion.

Amendment Proposals 2000
2000 June/July 2000 p. 6–8

Four proposed class rule amendments submitted for approval at the 2000 National Annual Meeting: transom height tolerance adjustment, electronic compasses allowance, spinnaker sheet twings, and aluminum tillers. Each proposal includes technical specifications and rationale for the change.

Amendment Proposals 2001
2001 June/July 2001 TCA Executive Committeep. 10–11

The Thistle Class proposes four bylaw amendments for vote at the 2001 Nationals: guidelines for new wood hull construction, executive committee composition changes, addition of whistle requirements, and increased buoyancy flotation minimums for both wooden and fiberglass boats for enhanced safety.

From the Editor: Amendment Proposals
2001 June/July 2001 Terry Lettenmaierp. 18

Lettenmaier urges readers to review the amendment proposals and encourage their fleet members to vote, noting the importance of proxy votes from fleets unable to attend the Nationals meeting, particularly West Coast fleets.

2002 Proposed Amendments
2002 April/May 2002 p. 21

Two formal proposed amendments for class vote at the 2002 Nationals: Proposal #1 increases minimum buoyancy from 700-750 to 1000 pounds for both wood and fiberglass boats; Proposal #2 allows two spinnakers instead of one at championship events.

2003 Proposed Amendment - VHF Radio
2003 April-May 2003 p. 11–12

Proposed amendment to TCA Specifications allowing marine VHF radios aboard for safety communication, weather retrieval, and race committee notifications during racing. Includes detailed reasoning and response to potential concerns.

2003 Proposed Amendment
2003 April-May 2003 p. 12

A proposed amendment to allow VHF radios for safety communication, weather retrieval, and race committee messages during Thistle racing. The amendment includes rationale for the proposal and addresses potential concerns.

2004 Amendment Proposal - Digital Compasses
2004 February - May 2004 Fleet 34, North Chesapeakep. 26–27

Proposal from Fleet 34 to amend Chief Measurer's Ruling 65 to allow digital compasses, specifically the Tacktick Micro Compass model T061, in Thistle class racing. The proposal outlines advantages (lighter weight, space-saving, superior damping, easy to read when heeled) and disadvantages (cost, fragility, theft risk) with voting instructions for fleet members.

Amendment Proposal
2005 April/May 2005 p. 8

Proposal to amend Article VIII regarding spinnaker pole use, clarifying that pole use is optional when the spinnaker is set, resolving a conflict between existing rule language.

Proposed Amendment to Permit VHF Radios
2008 June/July 2008 p. 36–37

Proposal to amend TCA Specifications to permit VHF radios for safety communication, weather information, and race committee communication. Includes arguments for and against by Tom Hubbell, Jack Finefrock, and Kyle Finefrock, to be voted on at the 2008 Annual Meeting.

Procedure for Amending the Constitution and By-Laws
2011 February-March 2011 Bruce Mccutcheon, Amendments Committee Chairp. 5

Bruce Mccutcheon outlines the new amendment procedure approved by the Governing Board in 2010. The procedure establishes a timeline requiring amendments to be submitted by October 1st and published in the December/January Bagpipe, with fleet comments due by February 1st, ensuring proper member review before voting at the Annual Meeting.

Amendment Proposals
2018 April/May 2018 TCA Executive Committeep. 20–21

Two constitutional amendment proposals from the TCA Executive Committee: one to standardize terminology for references to the Thistle Class Association, and another to allow flexibility in appointing separate Secretary and Treasurer roles.

Amendment Thoughts
2021 July/August/September 2021 David K. Hudson, Past-Presidentp. 4

The Past-President offers observations on the Fleet 53 constitutional amendment debate, noting that there is significant disagreement about the amendment's scope and impact. He advocates for proceeding cautiously with changes that have unclear effects, citing the class's successful 76-year history of deliberate decision-making.

Jurisdiction
2021 May/June 2021 Tom Hubbellp. 4

President Hubbell urges rejection of a Fleet 53 amendment proposal that would restrict the Thistle Class Association's jurisdiction to only chevron events. He argues that the current broad jurisdiction is necessary for the Class to publish the Bagpipe, promote youth sailing, maintain internet presence, and conduct non-chevron activities safely under liability insurance.

Fleet 53 Proposed Amendment
2021 May/June 2021 p. 24–25

Fleet 53's proposal to amend the Thistle Class Association Constitution and Bylaws to clarify and revise jurisdiction and sanctioned event definitions. The amendment distinguishes between chevron (sanctioned) and non-chevron (independent/autonomous) events, with detailed rationale and pro/con arguments from the membership.

Constitution & Bylaws Review
2022 February-April 2022 Tom Hubbell - Past Presidentp. 7

Tom Hubbell's Constitution and Bylaws Review Committee outlines their mission to clarify language and remove outdated statements. They plan to present draft documents before end of January for voting at the Mid-Winter meeting.

Proposed Amendments for 2022 Annual Meeting Agenda
2022 May - July 2022 p. 6

Information about two voting items for the TCA Annual Meeting in Jacksonville: a revised constitution and updated specifications and CMR's. Details voting procedures, required majorities, and amendment availability online.

New Amendments, New Rulings
2023 October/November 2023 Wayne Pignolet, Chief Measurerp. 4–5

The Chief Measurer discusses six boat-related amendments passed at the annual meeting and provides three Chief Measurer's Rulings for clarification. These address hiking line attachment points, electronics use during racing, and centerboard shims to ensure proper fit in the centerboard trunk.

5 Amendments
2023 Volume LXXVI, Number 3 - May-July 2023 Wayne Pignolet, Chief Measurerp. 23–24

Pignolet outlines five proposed amendments to Thistle class rules designed to make boats easier to sail, more durable, or lower costs. Three amendments allow equipment changes (eliminating jib luff wire and restrictions, adding hiking line), while two clarify existing rules on electronics and sail acquisition to ensure consistent enforcement.

2025 Amendment Proposal 1: Larger Reinforcing Patches for Reefing
2025 May-July 2025 Fleet #21p. 31

Fleet #21 proposes to amend the Official Plans and Specifications to allow larger reinforcing patches for clew and tack grommets used in slab reefing, and to permit up to three gathering grommets per reef instead of two. The changes align with current sailmaker standards to ensure durability with modern sail materials and provide no speed advantage.

Amendment Proposal 1: Larger Reinforcing Patches for Reefing
2025 May-July 2025 Fleet #21 (7 of 10 eligible fleet members voted in support)p. 31

Fleet #21 proposes modifying Official Plans and Specifications Sheet 6, Main Sail Notes #10 to increase the maximum sizes of reinforcing patches for reefing sails. The proposed changes would allow clew grommet patches up to 900 square inches (vs. current 50 square inches), tack grommet patches up to 100 square inches, and up to three sail-gathering grommets per reef with patches up to 30 square inches. The proposal aligns patch sizes with current sailmaker standards and improves durability without providing speed advantages.