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 Angles43.0°40.8°38.8°38.7°38.2°38.2°38.8°
Beat VMG4.125.015.465.665.765.825.82
52°6.287.387.878.098.238.348.43
60°6.627.628.148.448.648.788.93
75°6.867.778.408.949.289.529.83
90°6.727.728.369.049.7110.2410.91
110°6.727.928.759.329.8310.3311.67
120°6.577.868.779.6610.3510.9912.24
135°5.817.388.309.2110.3311.5813.86
150°4.866.227.368.249.0310.0412.75
Run VMG4.215.386.377.147.828.6911.04
Gybe Angles142.1°144.8°148.0°150.5°148.0°146.0°143.1°

APH: 472.0

CDL: 10.930

GPH: 529.7

CertNo: US010

BOAT
ClassIC-37DesignerMillsBuilderMelgesAge date11/2018Series date01/2017Offset fileic37.OD.offData fileUS6480
HULL
Length Overall11.300 mMaximum Beam3.648 mDraft2.509 mDisplacement3,521 kgDLR3.1789IMS 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 Moment143.7 kg·mStability Index127.3
COMMENTS
rod@bjyy.com Change to class keel
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.
ORC Ref  04560002QKNIssued on 21/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

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 VMG874.0718.6659.2636.4625.0618.7618.3
52°573.3488.1457.7445.2437.2431.8426.8
60°543.8472.5442.3426.3416.6410.2403.2
75°524.9463.1428.4402.5388.1378.3366.3
90°535.7466.5430.5398.1370.8351.7330.0
110°535.4454.6411.3386.4366.4348.6308.4
120°548.3458.3410.7372.7347.9327.5294.2
135°619.8487.9433.8390.7348.6310.9259.7
150°740.1579.2489.2436.8398.9358.7282.3
Run VMG854.6668.8564.8504.1460.6414.1326.0
Selected Courses
Windward / Leeward864.3693.7612.0570.2542.8516.4472.2
All purpose663.3546.5491.4459.2436.2416.3384.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward589.91.0172
All purpose472.01.2712
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8842
Downwind "popa"1.1073
70% up, 30% down "Ilhabela"0.9410
30% up, 70% down "Ilhabela-inverso"1.0293
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind516.51.1617
Predominantly Downwind472.21.2706
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low604.90.9919
Triple Number All Purpose Medium471.51.2726
Triple Number All Purpose High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind516.51.1617
Predominantly Downwind472.21.2706
Predominantly Upwind Low670.90.8943
Predominantly Upwind Medium538.91.1134
Predominantly Upwind High505.51.1870
Predominantly Downwind Low662.70.9054
Predominantly Downwind Medium471.71.2719
Predominantly Downwind High365.11.6435
Chicago-Mac Upwind1.1407
Chicago-Mac All Purpose1.1890
Chicago-Mac Downwind1.2439
Bayview-Mac Cove Island1.1076
Bayview-Mac Shore1.1179
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching442.81.3551
Predominantly Reaching Low548.21.0944
Predominantly Reaching Medium441.61.3586
Predominantly Reaching High368.01.6305
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low851.20.7049
5-Band Low / Medium714.40.8398
5-Band Medium578.31.0374
5-Band Medium / High518.01.1584
5-Band High479.81.2505
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance514.1
Triple Number Coastal/Long Distance Low604.9
Triple Number Coastal/Long Distance Medium471.5
Triple Number Coastal/Long Distance High409.5
Triple Number Windward/Leeward Low779.0
Triple Number Windward/Leeward Medium587.6
Triple Number Windward/Leeward High506.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2726
Triple Number Coastal/Long Distance High1.4652
Triple Number Windward/Leeward Low0.7702
Triple Number Windward/Leeward Medium1.0211
Triple Number Windward/Leeward High1.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low604.9
Triple Number Coastal/Long Distance Medium471.5
Triple Number Coastal/Long Distance High409.5
Triple Number Windward/Leeward Low779.0
Triple Number Windward/Leeward Medium587.6
Triple Number Windward/Leeward High506.4
Predominantly Upwind516.5
Predominantly Downwind472.2
Predominantly Reaching451.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2726
Triple Number Coastal/Long Distance High1.4652
Triple Number Windward/Leeward Low0.7702
Triple Number Windward/Leeward Medium1.0211
Triple Number Windward/Leeward High1.1848
Coastal/Long Distance1.1671
Predominantly Upwind1.1617
Predominantly Downwind1.2706
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9919
Tretall Distanseseilas Mellomvind1.2726
Tretall Distanseseilas Mye vind1.4652
Tretall Pølsebane Lite vind0.7702
Tretall Pølsebane Mellomvind1.0211
Tretall Pølsebane Mye vind1.1848
Distanseseilas ett tall (OSN 8-16kn)1.1671
Distanseseilas ett tall (APH 6-20kn)1.2712
Enkeltall Motvind1.1617
Enkeltall Medvind1.2706
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Coastal/Long Distance514.11.1671
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind516.51.1617
Predominantly Downwind472.21.2706
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore485.41.2360
Cape Doctor Coastal394.31.5216
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2726
Triple Number Coastal/Long Distance High1.4652
Triple Number Windward/Leeward Low0.7702
Triple Number Windward/Leeward Medium1.0211
Triple Number Windward/Leeward High1.1848
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2726
Triple Number Coastal/Long Distance High1.4652
Triple Number Windward/Leeward Low0.7702
Triple Number Windward/Leeward Medium1.0211
Triple Number Windward/Leeward High1.1848
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind516.51.1617
Predominantly Downwind472.21.2706
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance514.11.1671
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium471.51.2726
Triple Number Coastal/Long Distance High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance863.3653.8552.5491.7453.8419.3363.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low604.90.9919
Triple Number All Purpose Medium471.51.2726
Triple Number All Purpose High409.51.4652
Triple Number Windward/Leeward Low779.00.7702
Triple Number Windward/Leeward Medium587.61.0211
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind516.51.1617
Predominantly Downwind472.21.2706
Predominantly Upwind Low670.90.8943
Predominantly Upwind Medium538.91.1134
Predominantly Upwind High505.51.1870
Predominantly Downwind Low662.70.9054
Predominantly Downwind Medium471.71.2719
Predominantly Downwind High365.11.6435
Chicago-Mac Upwind1.1407
Chicago-Mac All Purpose1.1890
Chicago-Mac Downwind1.2439
Bayview-Mac Cove Island1.1076
Bayview-Mac Shore1.1179
Harvest Moon Regatta393.41.5250
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy492.01.2195
San Francisco Bay Medium574.61.0442
Predominantly Reaching442.81.3551
Predominantly Reaching Low548.21.0944
Predominantly Reaching Medium441.61.3586
Predominantly Reaching High368.01.6305
Windward/Leeward 60-40 Low782.50.7668
Windward/Leeward 60-40 Medium608.10.9866
Windward/Leeward 60-40 High545.11.1007
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low851.20.7049
5-Band Low / Medium714.40.8398
5-Band Medium578.31.0374
5-Band Medium / High518.01.1584
5-Band High479.81.2505
ORC Ref  04560002QKNIssued on 21/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

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-37Measurement21/07/2020HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.300Max. Beam3.648Draft2.509Displacement3,521Wetted area25.23IMS L10.846LSM010.345Acc. length11.300Sink (kg/mm) 19.46
VCGD-0.423VCGM-0.513RM Rated (kg·m) 143.7Limit of positive stability(°) 132.0Stability Index127.3
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
SFFP0.600FFM1.269FF1.270LCFcl6.052SG1.0220
SAFP11.300FAM0.933FA0.937LCFsh6.283HBI1.129
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 engine0.900057197.000.001Fuel PVC Centerline aft of engine0.900057197.000.00Total deductible347.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery12V Group 27 house battery296.100.101Battery12V Group 27 engine battery296.100.102Battery12V Group 27 house battery296.100.101Battery12V Group 27 engine battery296.100.101EngineYanmar 3YM20CE 21 HP1EngineYanmar 3YM20CE 21 HPTotal deductible0
ORC Ref  04560002QKNIssued on 21/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

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
ORC Ref  04560002QKNIssued on 21/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org