Club
Certificate
2023

Boat

RATTLE AND RUM

USA2604

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 Angles42.4°40.2°38.8°38.8°39.4°39.6°40.8°
Beat VMG3.584.294.594.704.744.754.69
52°5.426.296.626.776.856.906.92
60°5.706.506.907.107.237.327.38
75°5.896.667.267.657.888.058.25
90°5.836.637.308.008.518.839.25
110°6.036.987.588.088.559.1010.57
120°5.926.977.868.509.099.6710.77
135°5.296.537.528.619.7610.7412.36
150°4.475.656.577.508.509.6112.77
Run VMG3.874.895.696.497.368.3211.06
Gybe Angles143.5°146.9°148.9°148.3°146.0°145.1°146.2°

APH: 543.6

CDL: 7.723

GPH: 607.9

CertNo: US6003

BOAT
ClassGP 26DesignerDONOVANBuilderMag Marin IstanbulAge date01/2015Series date01/2011Offset filewracegp26.offData fileUSA2604
HULL
Length Overall7.900 mMaximum Beam2.554 mDraft1.902 mDisplacement1,142 kgDLR2.5692IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.390%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight425 kgMinimum weight319 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.6927.64Headsail Luffed14.8514.85Headsail FlyingSymmetricAsymmetric80.6380.63 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail6.94Storm Jib5.09Heavy Weather Jib13.72
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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  04560002HMIIssued on 11/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RATTLE AND RUM

USA2604

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 VMG1005.5838.2783.6766.4759.7757.7767.3
52°664.2572.4543.5531.9525.4521.4520.1
60°631.9554.1521.8507.1498.0492.0487.9
75°611.7540.8496.1470.8456.6447.1436.4
90°617.8542.6493.3450.2423.2407.8389.4
110°597.2515.9475.2445.7421.1395.5340.4
120°608.0516.3458.0423.5395.8372.1334.3
135°680.7551.0478.6418.1369.0335.2291.2
150°805.1637.1547.9480.2423.8374.5281.8
Run VMG929.6735.6632.7554.5489.3432.5325.4
Selected Courses
Windward / Leeward967.6786.9708.1660.5624.5595.1546.4
All purpose748.3625.1567.2530.1503.0481.8448.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward678.60.8842
All purpose543.61.1037
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7396
Downwind "popa"1.0245
70% up, 30% down "Ilhabela"0.8069
30% up, 70% down "Ilhabela-inverso"0.9184
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind604.90.9919
Predominantly Downwind529.21.1338
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low686.70.8737
Triple Number All Purpose Medium543.61.1037
Triple Number All Purpose High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind604.90.9919
Predominantly Downwind529.21.1338
Predominantly Upwind Low770.40.7788
Predominantly Upwind Medium638.70.9394
Predominantly Upwind High611.60.9810
Predominantly Downwind Low739.10.8118
Predominantly Downwind Medium521.81.1499
Predominantly Downwind High394.91.5194
Chicago-Mac Upwind0.9740
Chicago-Mac All Purpose1.0360
Chicago-Mac Downwind1.1075
Bayview-Mac Cove Island0.9675
Bayview-Mac Shore0.9705
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching505.71.1864
Predominantly Reaching Low624.90.9602
Predominantly Reaching Medium502.21.1947
Predominantly Reaching High422.31.4209
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low953.60.6292
5-Band Low / Medium810.60.7402
5-Band Medium667.40.8990
5-Band Medium / High597.41.0044
5-Band High554.81.0815
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance591.6
Triple Number Coastal/Long Distance Low686.7
Triple Number Coastal/Long Distance Medium543.6
Triple Number Coastal/Long Distance High474.8
Triple Number Windward/Leeward Low877.2
Triple Number Windward/Leeward Medium677.9
Triple Number Windward/Leeward High584.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8737
Triple Number Coastal/Long Distance Medium1.1037
Triple Number Coastal/Long Distance High1.2637
Triple Number Windward/Leeward Low0.6840
Triple Number Windward/Leeward Medium0.8851
Triple Number Windward/Leeward High1.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low686.7
Triple Number Coastal/Long Distance Medium543.6
Triple Number Coastal/Long Distance High474.8
Triple Number Windward/Leeward Low877.2
Triple Number Windward/Leeward Medium677.9
Triple Number Windward/Leeward High584.2
Predominantly Upwind604.9
Predominantly Downwind529.2
Predominantly Reaching511.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8737
Triple Number Coastal/Long Distance Medium1.1037
Triple Number Coastal/Long Distance High1.2637
Triple Number Windward/Leeward Low0.6840
Triple Number Windward/Leeward Medium0.8851
Triple Number Windward/Leeward High1.0271
Coastal/Long Distance1.0142
Predominantly Upwind0.9919
Predominantly Downwind1.1338
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8737
Tretall Distanseseilas Mellomvind1.1037
Tretall Distanseseilas Mye vind1.2637
Tretall Pølsebane Lite vind0.6840
Tretall Pølsebane Mellomvind0.8851
Tretall Pølsebane Mye vind1.0271
Distanseseilas ett tall (OSN 8-16kn)1.0142
Distanseseilas ett tall (APH 6-20kn)1.1037
Enkeltall Motvind0.9919
Enkeltall Medvind1.1338
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Coastal/Long Distance591.61.0142
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind604.90.9919
Predominantly Downwind529.21.1338
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore561.01.0695
Cape Doctor Coastal458.81.3077
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8737
Triple Number Coastal/Long Distance Medium1.1037
Triple Number Coastal/Long Distance High1.2637
Triple Number Windward/Leeward Low0.6840
Triple Number Windward/Leeward Medium0.8851
Triple Number Windward/Leeward High1.0271
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8737
Triple Number Coastal/Long Distance Medium1.1037
Triple Number Coastal/Long Distance High1.2637
Triple Number Windward/Leeward Low0.6840
Triple Number Windward/Leeward Medium0.8851
Triple Number Windward/Leeward High1.0271
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind604.90.9919
Predominantly Downwind529.21.1338
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.61.0142
Triple Number Coastal/Long Distance Low686.70.8737
Triple Number Coastal/Long Distance Medium543.61.1037
Triple Number Coastal/Long Distance High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance963.8742.0638.0569.8524.0485.0420.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low686.70.8737
Triple Number All Purpose Medium543.61.1037
Triple Number All Purpose High474.81.2637
Triple Number Windward/Leeward Low877.20.6840
Triple Number Windward/Leeward Medium677.90.8851
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind604.90.9919
Predominantly Downwind529.21.1338
Predominantly Upwind Low770.40.7788
Predominantly Upwind Medium638.70.9394
Predominantly Upwind High611.60.9810
Predominantly Downwind Low739.10.8118
Predominantly Downwind Medium521.81.1499
Predominantly Downwind High394.91.5194
Chicago-Mac Upwind0.9740
Chicago-Mac All Purpose1.0360
Chicago-Mac Downwind1.1075
Bayview-Mac Cove Island0.9675
Bayview-Mac Shore0.9705
Harvest Moon Regatta445.11.3481
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy573.01.0472
San Francisco Bay Medium663.00.9049
Predominantly Reaching505.71.1864
Predominantly Reaching Low624.90.9602
Predominantly Reaching Medium502.21.1947
Predominantly Reaching High422.31.4209
Windward/Leeward 60-40 Low886.20.6771
Windward/Leeward 60-40 Medium711.40.8434
Windward/Leeward 60-40 High644.60.9308
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low953.60.6292
5-Band Low / Medium810.60.7402
5-Band Medium667.40.8990
5-Band Medium / High597.41.0044
5-Band High554.81.0815
ORC Ref  04560002HMIIssued on 11/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RATTLE AND RUM

USA2604

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGP 26Measurement18/10/2017HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA7.900Max. Beam2.554Draft1.902Displacement1,142Wetted area12.92IMS L7.854LSM07.631Acc. length7.900Sink (kg/mm) 10.12
VCGD-0.135VCGM-0.141RM Rated (kg·m) 31.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders1Rotating mastNo
P10.080IG10.028ISP11.238MDT10.080MDL10.150MDT20.060MDL20.120TL1.750MW0.150GO0.165
E3.930J2.862BAS1.133FSD0.000SFJ0.230SPLWPLTPS4.941BD0.150MWT44.00MCG3.885
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date18/10/2017MeasurerComment
SFFP0.500FFMFF0.931LCFcl4.466SG1.0110
SAFP7.895FAMFA0.737LCFsh4.620HBI0.860
W121.3W221.3W321.3W421.3
PD1571.0PD2568.0PD3569.0PD4568.0
WD10.560PLM9000.00GSA1.0RSA1.0RM31.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002HMIIssued on 11/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RATTLE AND RUM

USA2604

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain 21.191.421.932.743.4326.6925/04/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10991710.060.440.841.602.343.109.37YesNo 14.852016 JIB1
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2 202013.0211.1412.087.898.4993%80.632020 A2
ORC Ref  04560002HMIIssued on 11/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org