Club
Certificate
2023
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
| Wind Velocity | 6 kt | 8 kt | 10 kt | 12 kt | 14 kt | 16 kt | 20 kt |
| Beat Angles | 45.1° | 43.2° | 42.6° | 41.8° | 41.8° | 41.2° | 41.7° |
| Beat VMG | 2.72 | 3.31 | 3.73 | 4.05 | 4.23 | 4.31 | 4.32 |
| 52° | 4.25 | 5.05 | 5.61 | 6.00 | 6.22 | 6.31 | 6.35 |
| 60° | 4.52 | 5.32 | 5.85 | 6.20 | 6.42 | 6.52 | 6.59 |
| 75° | 4.69 | 5.50 | 6.05 | 6.39 | 6.62 | 6.78 | 6.95 |
| 90° | 4.70 | 5.62 | 6.24 | 6.60 | 6.83 | 6.98 | 7.23 |
| 110° | 4.72 | 5.69 | 6.34 | 6.74 | 7.05 | 7.31 | 7.73 |
| 120° | 4.53 | 5.56 | 6.26 | 6.69 | 7.03 | 7.36 | 7.91 |
| 135° | 4.11 | 5.11 | 5.93 | 6.45 | 6.81 | 7.15 | 7.79 |
| 150° | 3.52 | 4.45 | 5.24 | 5.81 | 6.21 | 6.53 | 7.05 |
| Run VMG | 3.05 | 3.86 | 4.54 | 5.04 | 5.41 | 5.91 | 6.59 |
| Gybe Angles | 145.3° | 146.2° | 145.7° | 146.6° | 171.2° | 173.0° | 177.2° |
APH: 667.8
CDL: 6.808
GPH: 752.6
CertNo: US7224
BOAT
ClassGrampian 30DesignerMcGreuerBuilderGrampianAge date10/1974Series date06/1969Offset fileGRAMPIAN30.offData fileUSA278
HULL
Length Overall9.117 mMaximum Beam2.916 mDraft1.401 mDisplacement4,314 kgDLR8.3345IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.310m
CREW
Maximum weight451 kgMinimum weight338 kg
* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail21.5922.13Headsail Luffed29.2329.23Headsail FlyingSymmetricAsymmetric61.9661.96
(1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS
(m²)
Trysail6.39Storm Jib6.55Heavy Weather Jib17.69
SAIL LIMITS
Headsails1
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.