MultihullClub Certificate2025
Nelda RayUSA 009
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles39.7°39.7°40.6°41.2°39.6°39.4°38.5°38.6°39.1°
Beat VMG3.494.605.345.825.805.825.745.455.54
52°5.096.828.058.768.588.638.548.108.32
60°5.307.188.579.389.219.269.238.779.05
75°5.497.449.0110.2410.1110.5210.5610.2110.71
90°5.447.298.7910.6211.6711.5011.9512.0312.91
110°4.836.658.2810.0811.1113.1114.0114.6016.26
120°4.776.578.079.8711.8511.5613.5116.0717.97
135°4.456.057.358.8410.6912.8215.0614.4018.85
150°3.855.236.327.448.8410.5512.4316.3319.93
Run VMG3.334.535.476.447.669.1410.7614.1417.26
Gybe Angles146.2°146.2°147.5°143.5°140.4°139.0°138.8°141.5°146.0°
MHR:432.3CertNo:MC106
BOAT
ClassF33RXDesignerFarrier_IanBuilderFarrier Marine BrisbaneAge date01/2004Series date05/2003Offset fileF33-Nelda Ray.offData fileMC106-F33RX-Nelda Ray
HULL
Length Overall33.000 ftMaximum Beam23.832 ftDraft6.611 ftDisplacement5,176 lbsDLR2.4415Dynamic Allowance0.390%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Weight800 lbs(declared)Crew Arm Extension
SAIL AREAS (ft²)
MeasuredRatedMainsail517.12568.52Headsail Luffed209.48209.48Headsail Flying514.27SymmetricAsymmetric1132.37
COMMENTS
6931FN
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
MultihullClub Certificate2025
Nelda RayUSA 009
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1030.6782.8674.6618.8620.5619.1627.0660.8650.2
52°707.7527.9447.1411.1419.3417.3421.7444.4432.6
60°679.3501.6420.2383.7390.9388.6390.2410.5397.8
75°656.0483.6399.6351.5356.1342.1340.8352.7336.1
90°661.6494.1409.6339.0308.5313.1301.3299.2278.8
110°745.9541.5434.7357.2324.0274.7257.0246.6221.5
120°755.3548.0445.8364.8303.8311.3266.5224.0200.3
135°809.8595.1489.6407.3336.8280.8239.0249.9191.0
150°936.1688.8570.0483.8407.0341.2289.7220.5180.6
Run VMG1080.9795.4658.1558.7470.0393.9334.5254.6208.6
Selected Courses
Windward / Leeward1055.0789.1666.4588.7545.2506.5480.8457.7429.4
All purpose829.8616.7515.5449.1417.8394.2375.3367.1342.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward559.71.0721
All purpose432.31.3880
 
MultihullClub Certificate2025
Nelda RayUSA 009
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in feet/pounds (Imperial)
HULL AND APPENDAGES (Lightship Trim)
ClassF33RXMeasurementHINFAR000091405
LOA33.000Max. Beam23.832Draft6.611Displacement5,176Dspl lightship4,376Wetted area129.24
Superstructure frontal area16.60Superstructure lateral area128.26Default crew weight721Declared crew weight800
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastYesMast rakeMast cant angle
P44.869IG35.761ISP46.522MDT10.371MDL10.831MDT20.371MDL20.831TLMWGO
E15.090J11.355JZ3.619BAS1.949FSDSFJ0.502SPLWPLTPS19.700BD
ForetrianglesIdITPTPZComment035.76111.3553.619main forestay046.52219.7003.619ISP/TPS142.79218.0553.937Code 1
FLOTATION
Flotation Date03/11/2024
BALLAST
TANKS
INVENTORY
IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA1Tohatsu 20   
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1EngineTohatsu 20Total deductible
MultihullClub Certificate2025
Nelda RayUSA 009
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1M6.798.179.5511.9113.70517.1201/01/2015TOMA 2024 Certificate MQW estimated
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment2C0.0510.3622.6346.26No31514.2701/01/2022TOMA 2024 Certificate2J0.051.252.504.998.6612.3437.13NoNo0209.4801/01/2015TOMA 2024 Certificate HQW HTW HUW estimated
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioFTAreaMeas.DateComment3A54.6147.2650.9425.7730.3185%01132.37GLMRA 2024 Certificate