
Rated boat velocities in knots|
Wind Velocity
| 4 kt
| 6 kt
| 8 kt
| 10 kt
| 12 kt
| 14 kt
| 16 kt
| 20 kt
| 24 kt
|
| Beat Angles | 45.0° | 45.0° | 43.0° | 41.9° | 43.1° | 52.0° | 52.0° | 51.7° | 52.0° |
| Beat VMG | 2.38 | 3.40 | 4.27 | 4.90 | 5.46 | 6.27 | 6.43 | 6.47 | 6.35 |
| 52° | 3.82 | 5.31 | 6.52 | 7.49 | 8.67 | 10.19 | 10.43 | 10.41 | 10.24 |
| 60° | 4.21 | 5.73 | 6.95 | 8.18 | 9.84 | 11.70 | 11.97 | 12.22 | 12.19 |
| 75° | 4.53 | 6.14 | 7.50 | 9.31 | 11.79 | 14.29 | 14.90 | 15.47 | 16.07 |
| 90° | 4.55 | 6.19 | 7.68 | 9.87 | 12.84 | 16.67 | 16.93 | 19.24 | 20.73 |
| 110° | 3.95 | 5.52 | 6.86 | 8.29 | 10.36 | 12.84 | 15.47 | 20.86 | 22.61 |
| 120° | 3.33 | 4.90 | 6.32 | 7.47 | 8.96 | 10.88 | 13.00 | 17.41 | 21.90 |
| 135° | 2.59 | 3.95 | 5.30 | 6.42 | 7.40 | 8.59 | 10.01 | 13.19 | 16.45 |
| 150° | 2.22 | 3.34 | 4.48 | 5.60 | 6.55 | 7.46 | 8.49 | 10.89 | 13.45 |
| Run VMG | 1.95 | 2.94 | 3.94 | 4.94 | 5.90 | 6.74 | 7.58 | 9.55 | 11.71 |
| Gybe Angles | 166.7° | 166.7° | 168.5° | 168.5° | 173.6° | 177.2° | 174.8° | 168.5° | 164.0° |
MHR:491.9CertNo:MC196
BOATClassFirebirdDesignerMartyn SmithBuilderModular MouldingsAge date06/1987Series date05/1987Offset fileFirebird-MkI.offData fileMC196-Firebird#04-Hyper
HULLLength Overall8.000 mMaximum Beam5.260 mDraft1.361 mDisplacement965 kgDLR1.9712Dynamic Allowance0.000%Age Allowance0.487%RSA0.000%
PROPELLERInstallationNo PropellerTypeN/ADiameterN/A
CREWWeight254 kg(default)Crew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail25.8928.75Headsail Luffed7.977.97Headsail FlyingSymmetricAsymmetric
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.
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)ClassFirebirdMeasurementHIN4
LOA8.000Max. Beam5.260Draft1.361Displacement965Dspl lightship711Wetted area11.46
Superstructure frontal area2.89Superstructure lateral area6.90Default crew weight254Declared crew weightN/A
PROPELLERPropeller TypeNo Propeller
Hydro generatorNo
RIGSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footRunning backstays0Checkstays0Spreaders0Jumper strutsNoRotating mastYesMast rakeMast cant angle0°
P11.020IG10.300ISP10.480MDT10.090MDL10.210MDT20.090MDL20.210TL0.000MW0.210GO0.210
E2.960J2.100JZ0.800BAS0.620FSD0.000SFJ1.700SPL0.000WPLTPS4.420BD
ForetrianglesIdITPTPZComment010.3002.1000.800010.4804.4200.800
INVENTORYIdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA14hp Johnson replaced by Tohatsu 6hp1425