International
Certificate
2023

Boat

RAMROD

USA 24

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 Angles43.6°41.2°39.3°39.0°38.8°38.8°39.4°
Beat VMG4.064.955.405.605.705.765.76
52°6.217.327.828.058.198.298.38
60°6.567.588.108.418.618.748.89
75°6.817.758.378.919.259.499.80
90°6.687.698.349.019.6810.2110.89
110°6.697.908.739.319.8210.3211.64
120°6.547.848.759.6410.3510.9912.24
135°5.787.368.289.2010.3111.5513.87
150°4.846.197.348.239.0110.0212.71
Run VMG4.195.366.367.137.808.6711.01
Gybe Angles142.1°144.8°147.8°150.5°148.3°146.0°143.1°

APH: 474.5

CDL: 10.818

GPH: 532.8

CertNo: US6480

BOAT
ClassIC-37DesignerMillsBuilderMelgesAge date11/2018Series date01/2017Offset fileIC37-USA24.offData fileUS6480
HULL
Length Overall11.300 mMaximum Beam3.648 mDraft2.321 mDisplacement3,547 kgDLR3.1911IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.195%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.415m
CREW
Maximum weight686 kgMinimum weight515 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail47.7549.09Headsail Luffed35.3435.34Headsail FlyingSymmetricAsymmetric149.91149.91 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.60Storm Jib11.46Heavy Weather Jib30.93
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment144.3 kg·mStability Index127.4
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

RAMROD

USA 24

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 VMG887.5727.6666.5643.1631.5625.1625.3
52°579.4491.6460.1447.4439.4434.1429.5
60°548.6474.9444.4428.2418.3411.8404.8
75°528.3464.7430.1403.9389.2379.2367.3
90°539.1468.0431.7399.3371.9352.4330.6
110°538.0455.8412.2386.9366.7348.8309.3
120°550.7459.4411.5373.3348.0327.5294.0
135°622.6489.3434.6391.4349.3311.6259.6
150°743.4581.3490.1437.5399.6359.4283.3
Run VMG858.4671.2566.0504.9461.4415.0327.1
Selected Courses
Windward / Leeward873.0699.4616.2574.0546.5520.1476.2
All purpose669.1549.9493.9461.5438.3418.3387.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward594.21.0098
All purpose474.51.2644
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8738
Downwind "popa"1.1041
70% up, 30% down "Ilhabela"0.9321
30% up, 70% down "Ilhabela-inverso"1.0232
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Predominantly Upwind520.11.1536
Predominantly Downwind474.01.2657
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low609.50.9844
Triple Number All Purpose Medium473.91.2661
Triple Number All Purpose High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Predominantly Upwind520.11.1536
Predominantly Downwind474.01.2657
Predominantly Upwind Low677.90.8851
Predominantly Upwind Medium543.21.1045
Predominantly Upwind High509.61.1774
Predominantly Downwind Low666.40.9003
Predominantly Downwind Medium473.01.2686
Predominantly Downwind High366.01.6393
Chicago-Mac Upwind1.1324
Chicago-Mac All Purpose1.1824
Chicago-Mac Downwind1.2392
Bayview-Mac Cove Island1.1006
Bayview-Mac Shore1.1104
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching444.61.3495
Predominantly Reaching Low551.41.0881
Predominantly Reaching Medium443.31.3536
Predominantly Reaching High369.21.6249
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low859.60.6980
5-Band Low / Medium720.50.8328
5-Band Medium582.31.0303
5-Band Medium / High521.71.1501
5-Band High483.81.2402
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance517.2
Triple Number Coastal/Long Distance Low609.5
Triple Number Coastal/Long Distance Medium473.9
Triple Number Coastal/Long Distance High411.6
Triple Number Windward/Leeward Low786.2
Triple Number Windward/Leeward Medium591.7
Triple Number Windward/Leeward High510.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2661
Triple Number Coastal/Long Distance High1.4576
Triple Number Windward/Leeward Low0.7632
Triple Number Windward/Leeward Medium1.0141
Triple Number Windward/Leeward High1.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low609.5
Triple Number Coastal/Long Distance Medium473.9
Triple Number Coastal/Long Distance High411.6
Triple Number Windward/Leeward Low786.2
Triple Number Windward/Leeward Medium591.7
Triple Number Windward/Leeward High510.2
Predominantly Upwind520.1
Predominantly Downwind474.0
Predominantly Reaching453.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2661
Triple Number Coastal/Long Distance High1.4576
Triple Number Windward/Leeward Low0.7632
Triple Number Windward/Leeward Medium1.0141
Triple Number Windward/Leeward High1.1760
Coastal/Long Distance1.1601
Predominantly Upwind1.1536
Predominantly Downwind1.2657
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9844
Tretall Distanseseilas Mellomvind1.2661
Tretall Distanseseilas Mye vind1.4576
Tretall Pølsebane Lite vind0.7632
Tretall Pølsebane Mellomvind1.0141
Tretall Pølsebane Mye vind1.1760
Distanseseilas ett tall (OSN 8-16kn)1.1601
Distanseseilas ett tall (APH 6-20kn)1.2644
Enkeltall Motvind1.1536
Enkeltall Medvind1.2657
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Coastal/Long Distance517.21.1601
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind520.11.1536
Predominantly Downwind474.01.2657
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore489.41.2261
Cape Doctor Coastal396.51.5133
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2661
Triple Number Coastal/Long Distance High1.4576
Triple Number Windward/Leeward Low0.7632
Triple Number Windward/Leeward Medium1.0141
Triple Number Windward/Leeward High1.1760
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2661
Triple Number Coastal/Long Distance High1.4576
Triple Number Windward/Leeward Low0.7632
Triple Number Windward/Leeward Medium1.0141
Triple Number Windward/Leeward High1.1760
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Predominantly Upwind520.11.1536
Predominantly Downwind474.01.2657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance517.21.1601
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium473.91.2661
Triple Number Coastal/Long Distance High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance871.5658.7555.9494.5456.1421.2364.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low609.50.9844
Triple Number All Purpose Medium473.91.2661
Triple Number All Purpose High411.61.4576
Triple Number Windward/Leeward Low786.20.7632
Triple Number Windward/Leeward Medium591.71.0141
Triple Number Windward/Leeward High510.21.1760
Predominantly Upwind520.11.1536
Predominantly Downwind474.01.2657
Predominantly Upwind Low677.90.8851
Predominantly Upwind Medium543.21.1045
Predominantly Upwind High509.61.1774
Predominantly Downwind Low666.40.9003
Predominantly Downwind Medium473.01.2686
Predominantly Downwind High366.01.6393
Chicago-Mac Upwind1.1324
Chicago-Mac All Purpose1.1824
Chicago-Mac Downwind1.2392
Bayview-Mac Cove Island1.1006
Bayview-Mac Shore1.1104
Harvest Moon Regatta394.61.5206
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy495.71.2104
San Francisco Bay Medium578.81.0366
Predominantly Reaching444.61.3495
Predominantly Reaching Low551.41.0881
Predominantly Reaching Medium443.31.3536
Predominantly Reaching High369.21.6249
Windward/Leeward 60-40 Low790.50.7591
Windward/Leeward 60-40 Medium613.20.9784
Windward/Leeward 60-40 High549.91.0911
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low859.60.6980
5-Band Low / Medium720.50.8328
5-Band Medium582.31.0303
5-Band Medium / High521.71.1501
5-Band High483.81.2402

International
Certificate
2023

Boat

RAMROD

USA 24

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIC-37Measurement01/06/2021HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.300Max. Beam3.648Draft2.321Displacement3,547Wetted area25.82IMS L10.855LSM010.357Acc. length11.300Sink (kg/mm) 19.52
VCGD-0.422VCGM-0.512RM Rated (kg·m) 144.3Limit of positive stability(°) 132.0Stability Index127.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.415PBW0.105PIPA0.0035
EDL1.170ST10.042ST20.180
ST30.180ST40.112ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.400IG15.066ISP16.425MDT10.128MDL10.217MDT20.114MDL20.165TL1.335MW0.232GO0.252
E5.000J4.370BAS1.670FSD0.035SFJ0.105SPLWPLTPS6.300BD0.295MWT161.50MCG4.997
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date01/06/2021MeasurerComment
SFFP0.600FFM1.269FF1.270LCFcl6.059SG1.0220
SAFP11.300FAM0.933FA0.935LCFsh6.289HBI1.129
W1104.5W2104.5W3104.5W4104.5LCFD5.924
PD1297.6PD2298.1PD3298.8PD4295.5
WD5.221PLM9000.00GSA1.0RSA1.0RM144.4
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel PVC Centerline aft of engine0.900057197.000.00Total deductible177.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery12V Group 27 house battery296.100.101Battery12V Group 27 engine battery296.100.101EngineYanmar 3YM20CE 21 HPTotal deductible0

International
Certificate
2023

Boat

RAMROD

USA 24

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM11.151.772.443.484.2847.7504/07/2019132243
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.120.671.232.303.384.6615.20NoNo 35.3413/09/2022J 1.50.100.671.232.283.364.5515.20YesNo 34.9113/09/2022remeasure
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA 1.518.5415.9117.2310.2911.0693%149.9118/04/2023OUS133851-006A318.3915.7817.0910.249.08113%142.4924/04/2019132247