International
Certificate
2023

Boat

INFERNO

USA 40048

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.3°39.4°37.8°37.0°37.2°37.2°37.5°
Beat VMG4.365.155.485.655.755.815.82
52°6.577.467.777.948.048.118.17
60°6.897.708.018.198.318.408.50
75°7.127.888.298.568.758.909.09
90°7.017.858.368.809.159.409.78
110°6.787.868.408.789.139.5410.61
120°6.627.818.499.079.519.9610.86
135°5.997.368.178.879.6410.5212.17
150°5.046.337.398.148.799.5311.51
Run VMG4.365.486.407.157.758.339.97
Gybe Angles142.4°143.8°150.5°156.5°161.9°160.4°148.7°

APH: 479.2

CDL: 11.113

GPH: 531.8

CertNo: US7385

BOAT
ClassFARR 40 ODDesignerFARRBuilderCARROLLAge date08/1999Series date05/1997Offset fileFARR40.OD.offData fileUSA 40048
HULL
Length Overall12.411 mMaximum Beam3.956 mDraft2.601 mDisplacement5,125 kgDLR4.0289IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.407m
CREW
Maximum weight760 kgMinimum weight570 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail62.7364.59Headsail Luffed41.4941.49Headsail FlyingSymmetric153.36153.36Asymmetric
STORM SAIL AREAS (m²)
Trysail17.25Storm Jib13.12Heavy Weather Jib35.42
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment163.8 kg·mStability Index123.2
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.

International
Certificate
2023

Boat

INFERNO

USA 40048

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG825.3699.7656.9637.2626.2620.1618.6
52°547.8482.5463.1453.6447.7443.7440.8
60°522.2467.5449.4439.7433.2428.4423.5
75°505.7456.9434.1420.5411.2404.5395.8
90°513.2458.6430.6409.2393.6383.0368.1
110°531.3458.3428.4409.9394.3377.5339.3
120°544.2460.8424.1397.0378.4361.4331.4
135°600.6488.9440.8405.9373.6342.1295.7
150°714.6568.5487.1442.5409.4377.7312.7
Run VMG825.2656.5562.3503.7464.8432.2361.1
Selected Courses
Windward / Leeward825.3678.1609.6570.4545.5526.1489.9
All purpose637.6538.4494.7468.6450.3434.9408.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward588.31.0199
All purpose479.21.2520
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8967
Downwind "popa"1.1036
70% up, 30% down "Ilhabela"0.9501
30% up, 70% down "Ilhabela-inverso"1.0322
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Predominantly Upwind519.11.1559
Predominantly Downwind478.61.2536
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low588.01.0204
Triple Number All Purpose Medium478.51.2538
Triple Number All Purpose High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Predominantly Upwind519.11.1559
Predominantly Downwind478.61.2536
Predominantly Upwind Low647.60.9266
Predominantly Upwind Medium541.81.1074
Predominantly Upwind High515.91.1631
Predominantly Downwind Low644.50.9310
Predominantly Downwind Medium477.21.2572
Predominantly Downwind High390.11.5381
Chicago-Mac Upwind1.1364
Chicago-Mac All Purpose1.1803
Chicago-Mac Downwind1.2306
Bayview-Mac Cove Island1.1136
Bayview-Mac Shore1.1205
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching451.31.3295
Predominantly Reaching Low534.81.1220
Predominantly Reaching Medium448.91.3365
Predominantly Reaching High392.91.5269
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low813.90.7372
5-Band Low / Medium696.20.8618
5-Band Medium578.01.0380
5-Band Medium / High527.01.1386
5-Band High496.11.2094
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance519.6
Triple Number Coastal/Long Distance Low588.0
Triple Number Coastal/Long Distance Medium478.5
Triple Number Coastal/Long Distance High428.8
Triple Number Windward/Leeward Low751.7
Triple Number Windward/Leeward Medium586.2
Triple Number Windward/Leeward High517.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0204
Triple Number Coastal/Long Distance Medium1.2538
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7982
Triple Number Windward/Leeward Medium1.0235
Triple Number Windward/Leeward High1.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low588.0
Triple Number Coastal/Long Distance Medium478.5
Triple Number Coastal/Long Distance High428.8
Triple Number Windward/Leeward Low751.7
Triple Number Windward/Leeward Medium586.2
Triple Number Windward/Leeward High517.4
Predominantly Upwind519.1
Predominantly Downwind478.6
Predominantly Reaching460.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0204
Triple Number Coastal/Long Distance Medium1.2538
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7982
Triple Number Windward/Leeward Medium1.0235
Triple Number Windward/Leeward High1.1597
Coastal/Long Distance1.1547
Predominantly Upwind1.1559
Predominantly Downwind1.2536
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0204
Tretall Distanseseilas Mellomvind1.2538
Tretall Distanseseilas Mye vind1.3992
Tretall Pølsebane Lite vind0.7982
Tretall Pølsebane Mellomvind1.0235
Tretall Pølsebane Mye vind1.1597
Distanseseilas ett tall (OSN 8-16kn)1.1547
Distanseseilas ett tall (APH 6-20kn)1.2520
Enkeltall Motvind1.1559
Enkeltall Medvind1.2536
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Coastal/Long Distance519.61.1547
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind519.11.1559
Predominantly Downwind478.61.2536
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore500.71.1982
Cape Doctor Coastal416.41.4409
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0204
Triple Number Coastal/Long Distance Medium1.2538
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7982
Triple Number Windward/Leeward Medium1.0235
Triple Number Windward/Leeward High1.1597
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0204
Triple Number Coastal/Long Distance Medium1.2538
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7982
Triple Number Windward/Leeward Medium1.0235
Triple Number Windward/Leeward High1.1597
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Predominantly Upwind519.11.1559
Predominantly Downwind478.61.2536
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance519.61.1547
Triple Number Coastal/Long Distance Low588.01.0204
Triple Number Coastal/Long Distance Medium478.51.2538
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance825.3640.2552.9499.5467.3439.3391.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low588.01.0204
Triple Number All Purpose Medium478.51.2538
Triple Number All Purpose High428.81.3992
Triple Number Windward/Leeward Low751.70.7982
Triple Number Windward/Leeward Medium586.21.0235
Triple Number Windward/Leeward High517.41.1597
Predominantly Upwind519.11.1559
Predominantly Downwind478.61.2536
Predominantly Upwind Low647.60.9266
Predominantly Upwind Medium541.81.1074
Predominantly Upwind High515.91.1631
Predominantly Downwind Low644.50.9310
Predominantly Downwind Medium477.21.2572
Predominantly Downwind High390.11.5381
Chicago-Mac Upwind1.1364
Chicago-Mac All Purpose1.1803
Chicago-Mac Downwind1.2306
Bayview-Mac Cove Island1.1136
Bayview-Mac Shore1.1205
Harvest Moon Regatta412.31.4551
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy504.41.1896
San Francisco Bay Medium574.81.0438
Predominantly Reaching451.31.3295
Predominantly Reaching Low534.81.1220
Predominantly Reaching Medium448.91.3365
Predominantly Reaching High392.91.5269
Windward/Leeward 60-40 Low753.80.7959
Windward/Leeward 60-40 Medium606.60.9891
Windward/Leeward 60-40 High552.61.0857
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low813.90.7372
5-Band Low / Medium696.20.8618
5-Band Medium578.01.0380
5-Band Medium / High527.01.1386
5-Band High496.11.2094

International
Certificate
2023

Boat

INFERNO

USA 40048

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFARR 40 ODMeasurement18/10/2021HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA12.411Max. Beam3.956Draft2.601Displacement5,125Wetted area27.93IMS L11.240LSM010.834Acc. length12.415Sink (kg/mm) 21.16
VCGD-0.234VCGM-0.240RM Rated (kg·m) 163.8Limit of positive stability(°) 126.8Stability Index123.2
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.407PBW0.100PIPA0.0038
EDL0.702ST10.065ST20.180
ST30.180ST40.110ST50.268
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P16.700IG16.180ISP18.280MDT10.130MDL10.240MDT20.093MDL20.106TL1.993MW0.240GO0.245
E5.900J4.705BAS1.760FSD0.034SFJ0.000SPL5.304WPLTPSBD0.225MWT185.97MCG5.620
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date05/08/2021MeasurerComment
SFFP0.152FFM1.329FF1.334LCFcl6.837SG1.0000
SAFP11.954FAM1.010FA1.021LCFsh7.096HBI1.207
W199.5W299.5W399.5W499.5LCFD6.543
PD1275.3PD2278.1PD3281.5PD4276.0
WD5.763PLM9000.00GSA1.0RSA1.0RM162.6
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGSaSToolsSailor Services528.740.00Total deductible528.740.00

International
Certificate
2023

Boat

INFERNO

USA 40048

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain-230.181.472.584.185.1862.7321/04/2023170720
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-230.080.691.342.573.754.9116.41YesNo 41.4914/04/2023160651
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS1.5-2318.2518.2518.2510.169.78153.3614/04/2023