MultihullClub Certificate2025
Stingray10
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 Angles40.3°40.3°40.0°40.9°41.6°40.3°40.0°40.0°40.8°
Beat VMG3.424.485.155.676.026.026.005.745.86
52°5.086.647.668.569.179.079.068.678.91
60°5.326.978.079.119.889.789.829.439.72
75°5.507.218.409.6710.8411.3211.2211.0211.59
90°5.427.108.289.6111.0612.3212.8512.9013.93
110°4.886.587.919.3811.0212.6213.5415.4917.11
120°4.756.437.759.1810.8712.7014.4515.6718.71
135°4.285.847.108.379.8311.6013.5617.6921.26
150°3.665.026.107.148.309.6311.2114.7018.44
Run VMG3.174.345.286.187.198.349.7112.7315.97
Gybe Angles145.3°145.3°149.2°142.9°146.2°141.3°140.1°140.2°141.1°
MHR:438.4CertNo:MC112
BOAT
ClassCorsair37CDesignerCorsairBuilderCorsairAge date01/2011Series date01/2007Offset fileCorsair37.offData fileMC112-Corsair37C-Stingray
HULL
Length Overall37.000 ftMaximum Beam25.591 ftDraft7.555 ftDisplacement7,800 lbsDLR2.6508Dynamic Allowance0.460%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Weight1,000 lbs(declared)Crew Arm Extension
SAIL AREAS (ft²)
MeasuredRatedMainsail586.75649.17Headsail Luffed394.11394.11Headsail Flying718.47SymmetricAsymmetric1280.16
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
Stingray10
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 VMG1052.1804.2698.9634.8598.3598.4599.8626.9614.2
52°709.1542.1469.8420.7392.5396.7397.3415.3404.2
60°677.1516.7446.0395.2364.3368.2366.6381.7370.5
75°654.5499.0428.5372.2332.0318.0320.9326.7310.7
90°664.5506.9434.9374.7325.4292.2280.2279.2258.5
110°737.8547.2454.9383.9326.7285.3265.9232.5210.4
120°757.2559.8464.4392.1331.1283.4249.1229.7192.4
135°841.7616.0506.7430.1366.2310.4265.5203.5169.3
150°982.7717.8590.4504.3433.7373.8321.0245.0195.2
Run VMG1134.7828.8681.7582.3500.8431.7370.7282.9225.4
Selected Courses
Windward / Leeward1092.5816.5690.3608.5549.6515.0485.2454.9419.8
All purpose847.2635.3537.8469.8419.6391.6370.8352.5326.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward570.71.0513
All purpose438.41.3685
 
MultihullClub Certificate2025
Stingray10
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in feet/pounds (Imperial)
HULL AND APPENDAGES (Lightship Trim)
ClassCorsair37CMeasurementHINVNCSR80010E010
LOA37.000Max. Beam25.591Draft7.555Displacement7,800Dspl lightship6,800Wetted area178.38
Superstructure frontal area25.06Superstructure lateral area169.82Default crew weight817Declared crew weight1,000
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastYesMast rakeMast cant angle
P47.400IG40.500ISP42.000MDT10.591MDL10.854MDT20.591MDL20.854TLMWGO
E18.400J13.436JZ4.266BAS2.448FSDSFJ0.000SPLWPLTPS21.300BD
ForetrianglesIdITPTPZComment040.50013.4364.266main forestay042.00021.3004.266ISP/TPS141.25020.2105.578Screacher
FLOTATION
Flotation Date02/03/2025
BALLAST
TANKS
INVENTORY
IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA1Tohatsu 20   
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1EngineTohatsu 20Total deductible
MultihullClub Certificate2025
Stingray10
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain5.606.809.3012.90586.75
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentScreacher15.6030.8045.90No31718.47Jib9.1018.0043.10NoNo0394.11
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentAspin51.8046.8049.3030.5033.8090%01280.16