ORCsy Corinthian Spirit Class On-line Application

   
 

"Thank you for taking the decision to participate in Corinthian Spirit superyacht racing (ORCcs)!  The first step in acquiring an ORCcs handicap certificate is to complete this one-page Application Form below as accurately as you can and submit it to the ORC. After review, we will follow up with any questions and a request for additional information. With the expertise of our ORC team, your knowledge of the yacht, and our collective ability to interface with the yacht’s designer, builder and sailmaker, we will be able to provide a valid ORCcs handicap certificate. The Form can be downloaded as an .xls file, filled and sent back to orcsy@orc.org or filled directly on line and submitted clicking the “send" button once completed.

Possibly, the following documents should be supplied by the superyacht technical representative, e.g. the Designer, Yard Representative or Project Manager:

  • Hull lines
  • MCA Stability Booklet
  • Sail plan (preferably in DWG format)
  • Deck plan (preferably in DWG format)
  • Tanks plan (preferably in DWG format)
  • Any rating certificates for the Yacht

If the above can be supplied the expectation is that an ORC Corinthian Spirit Certificate can be generated without a complete physical measurement of the yacht.
 

   
 

YACHT

 
Yacht name    

Type or model

   
Sail number    

Designer

   

Launch Date

 

Builder

   

Design Date

 

Flag of registration

   
             
   

Name

  Phone   E-mail

Captain

           

Owner

           

Program Manager

           

Builder contact

           

Designer contact

           

Sailmaker contact

           
   
 
 

HULL

 
Length Overall    

Hull construction

   
Bmax    

Rudder construction

   

Draft centerboard up

   

Trim Tab

  Yes No

Draft centerboard down

   

Skeg

  Yes No

Displacement in empty trim

    Centerboard   Yes No

MCA approved

  Yes No      
 
 
 

RIG AND SAILS

 
Rig Type     Main furler in mast    Yes No
Carbon mast   Yes No

Main furler in boom

   Yes No
           
Mainsail Area     Height over deck of taller mast    

Largest Headsail Area

    Number of furled headsails upwind    
Mizzen Area     Number of headsails    
Unfurling inner jib when furling the biggest jib while tacking  

Yes No

Furling Jibs more than 50% while tacking  

Yes No

   
 
 

PROPELLER

 
Installation       Twin screw   Yes No
Type of propeller       Propeller diameter    
    Bow thruster open tunnel  diameter    
             
   
 
 

COMMENTS

 
    Please enter the last regatta raced under any rule, date and rule used.
 

 
 


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Mainsail measurements

The mainsail is measured with width at the top (MHW, formerly HB) and four widths found on the leach between head and clew: at 1/4 (MQW, formerly MGL), 1/2 (MHW, formerly MGM), 3/4 (MTW, formerly MGU) and 7/8 (MUW, formerly MGT) leech heights. Points on the leech are found by folding the sail to find equal distances between clew and head or between two adjacent measurement points.

Mizzen measurements

The mizzen measurements are the same as for the mainsail measured with width at the top (MHWY, formerly HBY) and four widths found on the leach between head and clew: at 1/4 (MQWY, formerly MGLY), 1/2 (MHWY, formerly MGMY), 3/4 (MTWY, formerly MGUY) and 7/8 (MUWY, formerly MGTY) leech heights. Points on the leech are found by folding the sail to find equal distances between clew and head or between two adjacent measurement points.

Mizzen stasyail
Mizzen staysails shall be three-cornered. The longest side edge shall be taken as a luff, the shortest edge shall be taken as a foot, and third edge shall be taken as a leech. The following measurements shall be taken: YSD shall be the shortest distance that can be measured from head to foot. YSMG shall be the half width. YSF shall be the foot width.
Additionally, check appropriate box if a mizzen staysail is used reaching and/or downwind.
Symmetric spinnaker measurements
The symmetric spinnaker shall be symmetric in shape, material and cut, about a line joining the head to the center of the foot.

Symmetric spinnaker measurements include: leech and luff length (SLU = SLE, formerly SL), half width (SHW, formerly SMG) as the distance between midpoints on the luff and leech and the foot length (SFL, formerly SF).

Asymmetric spinnaker measurements

Any spinnaker not qualifying as symmetric shall be considered as asymmetric.

Asymmetric spinnaker measurements include: luff length (SLU), leech length (SLE), half width (SHW, formerly AMG) as the distance between midpoints on the luff and leech and the foot length (SFL, formerly ASF).

Headsail measurements

Headsail measurements are similar to those of the mainsail, including the top width (HHB, formerly JH) as well as four widths found on the leach between head and the clew: at 1/4 (HQW, formerly JGL), 1/2 (HHW, formerly JGM), 3/4 (HTW, formerly JGU) and 7/8 (HUW, formerly JGT) leech heights. Points on the leech are found by folding the sail to find equal distances between clew and head or between two adjacent measurement points. Additional measurements for headsails are: luff length (HLU, formerly JL) and luff perpendicular (HLP, formerly LPG) as the shortest distance from the clew point to the luff.

Unconvential sails

Unconventional sails are those sails that are not included among those already listed (mainsail, headsail, spinnaker, mizzen, mizzen stayasail). Measurements inlcude primary sail dimensions such as: Top length, Leech Length, Luff Length, Foot Length and Longest Perpendicular as well as sail area.

Additionally, check appropriate box if such a sail is used upwind, reaching or downwind.
P measurement

P is the distance between the black bands on the mast (or white bands on black masts) that are limiting the position of the mainsail luff - while racing the mainsail luff must be between these bands. In the absence of an upper or lower black band, P is measured to the upper part of the main halyard sheave from the point where the top of the boom intersects the mast.

PY measurement

PY is the distance between the black bands on the mizzen mast (or white bands on black masts) that are limiting the position of the mainsail luff - while racing the mizzen luff must be between these bands. In the absence of an upper or lower black band, P is measured to the upper part of the main halyard sheave from the point where the top of the boom intersects the mizzen mast.

E measurement

E is the measured distance from the aft side of the mast to the black band on the boom (or white band on black booms) that limits the position to which mainsail foot may be extended. In the absence of the black band, it shall be measured to the point on the boom as aft as the mainsail clew can reach.

EY measurement

EY is the measured distance from the aft side of the mizzen mast to the black band on the mizzen boom (or white band on black booms) that limits the position to which mizzen foot may be extended. In the absence of the black band, it shall be measured to the point on the boom as aft as the mizzen clew can reach.

BAS measurement

BAS is the height from the mast datum point (at the sheerline at the mast) to the boom or lower black band on the mast. It is used also as a reference point for the halyards hoist measurements on the mast.

BASY measurement

BASY is the height from the mizzen mast datum point (at the sheerline at the mast) to the boom or lower black band on the mizzen mast. It is used also as a reference point for the halyards hoist measurements on the mizzen mast.

J measurement

J is probably the best-known measurement on boat, since it is used to define the size of headsails. It is defined as the horizontal distance between the front side of the mast and the intersection of the forestay with the deck.

SPL measurement

Spinnaker pole length (SPL) is measured when the pole is forced outboard on its fitting to the mast in a horizontal position athwarthsips, from the boat's centerline to the extreme end of the pole.

You can leave it blank if you are not using a spinnaker pole.

TPS measurement

The tack point of spinnaker (TPS) when it is tacked on the boat's centerline is the distance from the foreside of the mast to the foremost point on which the asymmetric spinnaker can be tacked. If the bowsprit is retractable, TPS shall be measured with it in its fully-extended position.

You can leave it blank if you do not have a spinnaker tacked on the boat's centerline.

Mast profile measurements

Mast profile measurements include the maximum dimensions transversely (MDT1) and fore and aft (MDL1).

IG measurement

IG is defined as the height of the foretriangle and is the vertical distance from the mast datum point (at the sheerline at the mast) to the forestay attachment to the mast.

IY measurement

IY is the vertical distance from the mizzen mast datum point (at the sheerline at the mast) to the mizzen staysail attachment to the mast.

EB measurement

EB is the distance at deck level between the after side of the mainmast to the foreside of the mizzen mast.

ISP measurement

ISP is the spinnaker halyard height and is the maximum height that the head of the spinnaker can be hoisted measured from the mast datum point (at the sheerline at the mast).

Forestay tension

If the uppermost backstay is adjustable, this shall be recorded as "Aft"

If the forestay is adjustable and backstay is fixed, this shall be recorded as "Forward".
If the forestay is adjustable and backstay is adjustable, this shall be recorded as "Aft & Forward".

If neither the uppermost backstay nor the forestay itself is adjustable, this shall be recorded as "Fixed".

Use of sails while racing

Describe the use of sails while racing by entering:

Number of furled jibs when sailing upwind.
Number of headsails on board while racing (excluding storm jib).
Inner forestay

If there is an inner stay, and if the tension may be adjusted, this be recorded as "Adjustable"

If the inner stay tension can not be adjsuted, this shall be recorder as "Fixed"
If there is no inner forestay, this shall be recorded as "None Fitted".
Forward Fommodation

Select "Yes" if there is interior volume forward of the mast which is fully fitted out as a separate sleeping or living space and built of solid construction, including bunks, personal gear stowage, etc.

Accommodation Regulations

Select the category according to the IMS Accommodation Regulations.

Non-manual power

If non-manual power can be used for adjusting rigging or spars, this shall be selected as follows:

"Sheets" when non-manual power is used for adjusting the clew of a sail or a boom.
"Rig" when non-manual power is used for adjusting the backstay, vang or outhaul.

"Rig & Sheet" includes "Rig" and "Sheets" together.

"No" when there is no non-manual power used.
Hull Construction

Hull construction shall be recorded as one of the following:

"Solid": Non-cored, solid E-glass, metal or wood hull and deck, but including also E-glass decks with core material. When the construction is of the wood, the minimum density of any layer shall not be less than 300 kg/m3.
"Cored": Hull skin of E-glass or wood, but incorporating a core material of less density that the skin.

"Light": All other construction types, but excluding the incorporation of any carbon fiber.

"Carbon:" Where carbon fiber has been incorporated anywhere in the construction of the hull and/or deck. Limited amounts of High Strength Carbon edge-capping of bona fide hull structural frames, girders and stringers, and as localized reinforcement of chain plate attachments on bulkhead faces, are allowed in each hull construction category provided it is used below decks between 0.3 * LOA and 0.7 * LOA aft of the stem.
Rudder Construction

Rudder construction shall be recorded as one of the following:

"Standard": Neither rudder nor rudder post contain any carbon fiber.
"Carbon": Rudder and/or rudder post contain carbon fiber iny any amount.
Crew Weight

The weight of all crew members on board while racing. If not declared a default figure is calculated and listed on the certificate.

The crew shall not be heavier than the value recorded on the certificate. The owner can always declare enough margin that will put him on safe side of this requirement.   

Displacement

The weight of the complete boat in measurement trim in light ship conditions without any sails and equipment aboard. An easy explanation of lightship measurement trim would be that if the boat is rotated upside down, everything that falls out shall not be on board.

Jumper

Select "Yes" if the mainmast incorporates jumper struts.

Carbon mast

Select "Yes" if the mast is made of carbon.

Headsail furler

Check this box if there is a headsail furler used in association with one headsail only.

Mainsail furler in mast

Select "Yes" if there is a mainsail furler in the mast.

Mainsail furler in boom

Select "Yes" if there is a mainsail furler in the boom.

Dacron sails

Select "Yes" if the mainsail and all headsails are made of woven polyester.

Spreaders

Insert number of spreaders

Runners

Insert number of running backstays and checkstays. The number of pairs shall be recorded.

Mast taper

Check this box if the mast is tapered.

Luff foil

Check this box if there is luff foil.

Rig Type

Select type of the rig as one of options.

For Schooners, the main mast is the forward mast and the aft mast is the mizzen mast
Propeller Installation

Select type of the propeller installation as one of options.

Propeller Type

Select propeller type with appropriate number of blades.

Length overall (LOA)

LOA shall be the length overall of a yacht including the whole hull, excluding any spars or projections fixed to the hull such as chainplates, bowsprits, boomkins, pulpits, etc.

Maximum Beam (BMAX)

Enter maximum beam of the hull.

Draft

Draft is vertical distance between the waterline and the deepest point of the keel.

Honeycomb core

Select "Yes" if there is a honeycomb core incorporated in hull or deck construction.

Trim Tab

Select "Yes" if there is a trim tab at the keel trailing edge.

Skeg

Select "Yes" if there is a full hight skeg in front of the rudder.

Twin Screw

Select "Yes" if there is a twin screw propeller installation.

Propeller diameter

PRD is the diameter of the propeller disc.

Fiber rigging

Select "Yes" if any part of standing rigging is made of any fiber.

Centerboard

Select "Yes" if there is a centerboard.

Bilgeboard (canard)

Select "Yes" if there is a bilgeboard (one or more).

Dynamic Stability System

Select "Yes" if there is Dynamic Stability System installed

Twin Rudder

Select "Yes" if there are double rudders.

Water ballast volume

WBV is as the maximum water ballast volume in liters that can be loaded on one side.

Lenticular rigging

Select "Yes" if the standing rigging has any non-circular section.

Anchor & Chain

For each anchor and chan enter the weight and distance from the bow.

Winches

For sheeting and halyard winch please provide maximum power in KW and maximum line speed in meters/min.

Domes

For each dome indicate the frontal area in suqare meters.

MCA approved

Select "Yes" if boat is MCA approved.

Mast weight

MWT is the weight of the mast together with standing rigging, running backstays, spreaders, jumpers, lights, antennae, instrument displays and their mounting brackets, wiring and transducers, luff groove device and all other permanently attached fittings, including those turnbuckles which are not permitted to be adjusted while racing.

Mast centre of gravity

MCG is the distance from the vertical center of gravity of the mast together with standing rigging to the lower point on the mast (to which BAS is measured).

Canting Keel

For boats with canting keel, LIST and CANT angles shall be recorded. CANT is the average of port and starboard angles to which keel can be canted. LIST is average of port and starboard angles to which boat is heeled with keel canted maximum to each side respectfully.

Tanks

For each tank please specify tank use (water, fuel, black water or similar), volume in liters, level of use while racing and description

Bow Thruster

Enter the bow thruster open tunnel diameter.

Displacement

Enter the displacement in light ship measurement trim, i.e. without any fuel, water, sails, safety equipment etc.

Height Over Deck

Enter the height over deck of the taller mast.

Number of furled jibs

Enter the number of furled jibs when sailing upwind.

Mainsail Area

Enter the mainsail area.

Mizzen Area

Enter the mizzen area.

Unfurling Inner Jibs

Select "Yes" if inner jib is unfurled while tacking

Furling Jibs

Select "Yes" if jib if furled more than 50% while tacking

Headsail Area

Enter the headsail area.

Mizzen Area

Enter the mizzen area.

Number of headsails

Enter the number of headsails aboard while racing (excluding storm jib).

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