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Sail Numbers

Display your sail number on your sail with adhesive-backed sail numbers. These insignia numbers are made from a sticky back dacron material and do not add any significant weight to the sail. We carry pre-cut style "Euro" numbers and the traditional 'Digital 8' style numbers, which can be cut to any specific number, in a variety of number heights and colors. For Laser sails, select the 12 inch numbers in either Digital 8 or Euro style. We also stock Hobie Cat specific numbers for boats like the Hobie 16, Hobie 17, and Hobie 17 plus Tasar class specific red numbers.

Digital 8 - These are universal numbers in the shape of the digit '8' from which you can cut any specific number you need. 

Pre Cut / Euro  - Unlike Digital 8 numbers, 'Euro' style or 'Pre Cut' numbers are cut to specific numbers or letters for a clean finish. These are preferred by many sailors as they have a higher quality look on the sail.

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Sail Number 12" Pre-Cut Euro

Sail Number 12" Pre-Cut Euro

Sail Number 12" Digital

Sail Number 12" Digital

Sail Number 9" Pre-Cut Euro

Sail Number 9" Pre-Cut Euro

Sail Number 9" Digital

Sail Number 9" Digital

Sail # Country Code Set (2ea) - 12in Euro - USA (Black)

Sail # Country Code Set (2ea) - 12in Euro - USA (Black)

Sail # Country Code Set (2ea) - 12in Euro - USA (Blue)

Sail # Country Code Set (2ea) - 12in Euro - USA (Blue)

Sail # Country Code Set (2ea) - 12in Euro - USA (Red)

Sail # Country Code Set (2ea) - 12in Euro - USA (Red)

Sail Number 12" Digital 10 Pack Black

Sail # 10-Pack - 12in Digital 8's (Black)

Sail Number 12" Digital 10 Pack Blue

Sail # 10-Pack - 12in Digital 8's (Blue)

Sail Number 12" Digital 10 Pack Red

Sail # 10-Pack - 12in Digital 8's (Red)

Sail Number 12" Digital 10 Pack Black

Sail # 10-Pack - 9in Digital 8's (Black)

Sail Number 9" Digital 10 Pack Blue

Sail # 10-Pack - 9in Digital 8's (Blue)

Sail Number 9" Digital 10 Pack Red

Sail # 10-Pack - 9in Digital 8's (Red)

Tasar Sail Numbers

Tasar Sail Numbers

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Sail Number Specifications And Placement

  • Nick Mortgu
  • February 18, 2015

Each new RC Laser is shipped with a piece of paper that lists the 4-digit hull number. The sail number for that boat hull would be the last two digits of the hull number. So, for instance, if your hull number is 3068 then your sail number would be 68. If you are an AMYA member and you don’t know what your boat number is contact the class secretary, Nick Mortgu at [email protected] .

There are several options to put numbers on your sails. You can use a stencil and black markers to color in the numbers on your sails. Be careful near the edges because the black markers occasionally will bleed beyond the stencil. If you would like to order sail numbers and country designations online, you can order from Intensity Sails or the form on the class website https://form.jotform.com/60556193274964/ , and they will quickly ship them to you.  Both numbers will be on one sheet for easy application.  They also provide colored hull coverings that meet the class specifications.

sail_numbers

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Sail Numbers DF65 - DragonForce

Sail Numbers DF65 - DragonForce

DF65 SAIL NUMBERS

New! Updated to be compliant with the  new 2023 Version 1.8.3 Rules change  on number size! Unlike vinyl number that are stiff and can shrink, insignia cloth is a very soft, flexible number material that does not shrink or fade in the sun over time.

Price shown is numbers for both sides of the sail plus $1.50 Shipping. To order more than 1 set, change the Qty after you add to cart.

Sail Numbering :

Sail numbers shall be applied to the Mainsail and Jib. 

They shall conform to the dimensions shown in Table 1. On the Mainsail they shall be positioned below a line joining Sail Points E-I and above a line joining C-K (see Diagram 3). Two or three digits can be used but must be consistent on all rigs and the same on both Main and Jib When using two digits, there shall be space in front of a sail number for a numeric prefix. National letters shall conform to the dimensions shown in Table 2 and positioned on the Mainsail below a line joining Sail Points C-K. National letters are only mandatory for international events. All numbers and letters shall be filled in solid, in a strong contrasting colour and arranged for maximum legibility. Guidelines are available on www.dfracing.world Sail numbers, and national letters if fitted, shall be applied to both sides of the sail with port side numbers and letters positioned below starboard side. Sail numbers, and national letters if fitted, shall be applied using either self-adhesive material or ink. Sails made before 1st June 2023 shall be grandfathered.

DF65 Number Size Table

(The following has been removed from Version 1.7 of the class rules to bring the DF65 sail numbering rule in line with IRSA Release notes for Appendix E - Identification on Sails When the sail number is in the range 00 to 09, the initial 0 shall be omitted and the remaining digit positioned to allow space for both a prefix and a suffix. 0 shall not be used as a prefix.) To aid boat identification for race officials and competitors the sail number, national letter dimensions and spacing are more clearly defined in Tables 1 & 2. Sail Number Dimensions and Spacing

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rc sailboat sail numbers

  • Sail Numbering Diagrams
  • DF65 USA Constitution & Bylaws
  • USCOA Officers List
  • DF65 Registered Members Number List
  • DF65 Boat / Sail Registration

Building and Tuning Guides and Tips

  • Resources / Suppliers
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  • DF65 History of Development
  • Regatta Guidelines
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Check out the links below, plus all the online resources available in our links page!

Tuning tips, the following link is a very nice video on tuning the df65. make by patrick rynne of the miami rc sailing squadron it will be a big help to all df65 skippers..

Here is a PDF created by Zach Kelchner to summarize the video above:

Df65-tuning.

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Tuning Your DragonForce 65  – DF65 Sail Tuning Guide by Soch Sails with measurements and procedure for getting your DF65 going fast!

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Next is a very handy printable Tuning Guide provided by Phil Burgess the President of the Australia DF Radio Sailing Assn.

rc sailboat sail numbers

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Sail Making

The files that follow are pdf’s of df65 a, a+, b, c sails that can be printed full size. the drawings are made from data in the class rules and mainsail luff curve reflects measurements from production sails., df65a+ templ, df65a templ , df65 b templ, df65 c templ, class rules sail numbering diagram pdf below, sail number diagram, if you need the proper sized numbers for putting numbers on your sails per the above diagram, the pdf below prints out accurately on most printers to comply with the rules v1.8, sail#temp v1.8.

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Assembly Guides

Df65 v6 rigging instructions v1., chucks_df65 a+ assembly guide_rev_1, df65 rig kit assembly guide  – nice instructions  df65 rig building guide, bought a b or c rig and need some helpful tips on building it up correctly, then look no further, ———————————————————————-, other useful hints and tips.

  • DF65 USA Club Registry Form
  • DF65 USCOA Member Registration & Sail # Form
  • International Class Assn.
  • Regatta Schedule/NOR’s

© 2024 DragonForce 65 USA Class Owners Association

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Replacing Sail Numbers: Steps, FAQs, Rules

Sometimes a previously used sail comes your way and you need to replace the sail numbers. If you have replacement numbers, you can do it yourself.

Step-by-step instructions

SailZing.com guest contributor Richard Beers, an E Scow and MC Scow sailor, shows how in this pdf document . Click on the link to read his step-by-step instructions.

Can I use acetone to remove the old adhesive?

Richard recommends denatured alcohol. Either acetone or denatured alcohol will work. Neither solvent will damage the sail. Denatured alcohol is less aggressive and won’t remove your pencil lines. Keep either solvent away from colored letters.

If the adhesive is hard to remove, soak a paper towel in the solvent and lay it on the adhesive for awhile.

Where can I get numbers?

Typically, you will get new numbers from your sail maker. Another source is SailRite .

Tell me more about number size and spacing

If you’re placing numbers from scratch, use the class rules for size and spacing (see below).

If the class rules do not specify spacing, use a proportional spacing. For example, for 15″ numbers, use a spacing of about 3″ between numbers. If the numbers “nest” together – like a 7 and 4, measure the 3″ at the closest point between the nested numbers; otherwise they will look too far apart.

How do I avoid wrinkles?

As Richard points out in his article, applying the numbers without wrinkles takes care. Even if the sail is flat, it’s easy to get wrinkles.

You might consider using different techniques for different numbers. See the diagram below.

  • Open figures with flat bottoms: 1, 2, 7. Just start at the bottom of the number, peeling a little backing paper off, and following the shape while peeling adhesive off.
  • Get the bottom of the figure aligned first. Then start at the bottom and peel a little backing off, working your way up vertically, pulling off the backing as you go.
  • 4 and 9. If you really want to be careful, you can open up these numbers by making a slit in both the number and the backing. See the diagram.

rc sailboat sail numbers

Rules regarding sail numbers

Here are excerpts from the Scow, X, and Opti class rules regarding sail numbers.

  • Sail numbers of contrasting color with lake designator shall be displayed on the mainsail at all times. 20” numbers and letters are required.
  • Class A insignia shall be displayed on the mainsail at all times located in the top 1/3 of the mainsail at the 50% position.
  • On both sides of her mainsail. On both sides of her after-deck.
  • For mainsail, 18” min., 20” max. placed in accordance with the official sail-letter placement diagram and as follows: with vertical centerline 20” of the leading edge of batten No. 2, and with vertical spacing 12” between all club designator letters and/or racing numbers.
  • On the after-deck, 10” in height, place approximately parallel to her rub-rail, facing outboard and in line.
  • On sails, they shall be of widely solid contrasting colors, such as dark numbers on white or light colored sails, and white or light colored on dark material.
  • Deck numbers shall be of widely contrasting color to the deck color for easy legibility.
  • All letters and numbers shall be of a clear cut, vertical, block type design without serif.  The stroke shall be 2.5” min., 3.5” max.
  • On sails, letters and numbers may be either marked directly on the sail material or may be of a separate material securely attached thereto.
  • On the deck, letters may be either painted directly thereon or may be a plate or in individual letters securely affixed to the deck.
  • Letters on sails, or numbers on sails, shall not be back to back nor at the same level above the boom except where letters or numbers are symmetrical and would show identically on both sides of the sail.

Class C and X

  • Each yacht must carry on both sides of her mainsail a letter, representing the Member Club from which she is entered, as well as her correct assigned racing number. Any whole integer between 0-999 is allowed. The integer ‘0’ may be represented by ‘0’, ‘00’, or ‘000;’ no other integers shall include leading zeros. The letter and number shall be placed on the sails in accordance with the official sail-letters placement diagram. Sails which have more than one club designator letter shall show the designator letters closely side by side on the same plane. An emblem, letter, or number denoting the class to which the yacht belongs may be affixed, as provided in the Class Scantlings.
  • Letters and numbers must be either all blue, red, green, pink, or black of a sans serif, non-italic, non-script font style attached directly to the sail by sewing and/or adhesive. All sails shall have letters and numbers of the same color with a minimum stroke width of 2.5″ and a maximum stroke width of 3.5″.
  • Letters and numbers shall be on both sides of the sail and shall not be back to back except where letters and numbers show identically the same on both sides of the sail. Letters and numbers when not back to back shall be higher on the starboard side of the sail.
  • Height of letters and numbers: Class C, 18-20″; Class X, 14-16″.
  • Centerline of letters and numbers will be located aft the leading edge of the first lower batten as follows, plus or minus 2″: Class C, 36″; Class X, 8″.
  • Vertical spacing between letters and numbers will be no less than: Class C, 10″; Class X, 8″.
  • MC insignia: The official class insignia for the MC Scow shall be the letter “C” superimposed over the letter “M”. This symbol shall appear on all sails, in letters 15″ in height and of proportional width.
  • Sail numbers: Each sail shall bear the number of the yacht in figures of the same proportion as the sail symbol.
  • The MC insignia shall he located above the sail numbers. Both shall be located in or near the upper half of the sail.

Here’s a diagram showing the key rules for placement . The full set of rules is shown below:

  • Height: 230 mm – 240 mm
  • Width (except “1” or “I”): 150 mm – 160 mm
  • Width for M and W: 160 mm – 170 mm
  • Thickness: 30 mm – 40 mm
  • Space between adjoining numbers or letters: 40 mm-50 mm
  • Space between rows of numbers or letters: 40 mm – 50 mm
  • Space between the national letter groups on opposite sides of the sail: 100 mm -150 mm
  • Distance between the luff and the closest letter or number in each row: 150 mm
  • Distance between lower edge of uppermost batten pocket and the national letter which is closest to the leech: 40 mm – 50 mm
  • Distance between number closest to the leech and the leech: as per RRS Appendix G1.2(b)

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COMMENTS

  1. RC Sailboat Sail Numbers - Windjammin Sails - Bean Bag

    Standard Sail Numbers. for most RC Classes. Soling 1M, V-32, Star 45, Victoria, Odom, and more!

  2. Sail Numbers - Adhesive Backed Numbers for Sailboats | West ...

    Sail numbers are made from an adhesive backed insignia cloth and provide identification on your sail. 9, 10, and 12 inch numbers in digital and precut styles in stock.

  3. DF95 DragonFlite Sail Numbers - Bean Bag

    Make sure to choose the correct rig size below when ordering. Sail Number: DragonFlite 95 950mm / DF95 Class RC Sailboat numbers shall be applied to the Mainsail and Jib. They shall be a minimum height of 100mm.

  4. Sail Number Specifications And Placement – RC Laser Class ...

    Sail Number Specifications And Placement. Each new RC Laser is shipped with a piece of paper that lists the 4-digit hull number. The sail number for that boat hull would be the last two digits of the hull number. So, for instance, if your hull number is 3068 then your sail number would be 68.

  5. Sail Numbers DF65 - DragonForce - Bean Bag

    DF65 SAIL NUMBERS. New! Updated to be compliant with the new 2023 Version 1.8.3 Rules change on number size! Unlike vinyl number that are stiff and can shrink, insignia cloth is a very soft, flexible number material that does not shrink or fade in the sun over time.

  6. New Sails! And applying sail numbers - rcmodelyachts.com

    Applying the sail numbers can be a tricky challenge. I'm using adhesive-backed insignia cloth that I cut out with the laser cutter. The edges aren't that great, but they'll look fine on the sail. The trick is to leave the numbers on the backing, and instead pull off all the excess material around them.

  7. DF65 & RG65 sail numbers & country code templates - Sailboat RC

    DF65 & RG65 sail numbers & country code hard templates for perfect sail numbering - Sailboat RC.

  8. Building and Tuning Guides and Tips – DragonForce 65 USA ...

    Class Rules Sail Numbering Diagram PDF below. Sail Number Diagram. If you need the proper sized numbers for putting numbers on your sails per the above diagram, the PDF below prints out accurately on most printers to comply with the Rules v1.8.

  9. SAIL NUMBERS | Sailboat RC

    SAIL NUMBERS | Sailboat RC

  10. Replacing Sail Numbers: Steps, FAQs, Rules - SailZing.com

    Replacing Sail Numbers: Steps, FAQs, Rules. Sometimes a previously used sail comes your way and you need to replace the sail numbers. If you have replacement numbers, you can do it yourself. Step-by-step instructions.