Club Certificate2026
IMPETUOUSIRL 2507
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 Angles45.2°41.5°39.5°37.6°36.9°36.7°36.5°36.7°38.2°
Beat VMG2.413.344.004.354.484.554.594.614.52
52°3.745.015.756.066.186.256.296.336.32
60°3.985.235.906.186.326.386.436.496.49
75°4.135.356.006.286.466.596.666.786.84
90°4.005.245.966.306.536.726.877.107.25
110°3.835.256.086.456.716.927.087.357.56
120°3.705.095.986.416.747.057.337.707.98
135°3.244.605.626.206.566.917.298.058.84
150°2.703.934.975.796.276.606.937.678.51
Run VMG2.343.414.305.075.686.126.457.067.74
Gybe Angles139.9°146.7°151.0°155.9°164.6°173.6°178.1°177.2°175.7°
APH ToD:623.0CDL: 6.989APH ToT: 0.9631CertNo:26034
BOAT
ClassCORBY 25DesignerCORBY JohnBuilderLION YACHTAge date08/2007Series date01/2000Offset fileCorby25-SWE25001.offData fileIRL2507
HULL
Length Overall7.710Maximum Beam2.468Draft1.821Displacement2,360DLR8.1225IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameterm
CREW
Maximum weight510(declared)Minimum weight380 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.8021.26Headsail Luffed20.4520.45Headsail FlyingSymmetric53.6253.62Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.12Storm Jib5.61Heavy Weather Jib15.14
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 24.8 Stability Index 125.2
COMMENTS
Check offset File with Matteo
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  051800048LU Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
IMPETUOUSIRL 2507
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1493.51076.5899.3827.3803.4792.0784.6780.5796.5
52°961.9718.5625.6594.1582.1576.4572.6568.7569.7
60°904.9688.4609.9582.5569.9563.9559.7554.5554.8
75°872.0673.2600.2573.1556.9546.6540.2530.7526.2
90°898.9687.6603.7571.5551.7536.0523.7507.3496.3
110°940.7685.6591.8558.1536.3520.4508.7489.5476.2
120°973.2707.3602.4561.4533.9510.4490.8467.7450.9
135°1109.6782.2640.8580.7549.1521.2493.7447.2407.2
150°1332.8915.5724.8622.1574.3545.8519.8469.7422.8
Run VMG1539.01057.1836.5710.7634.1588.2558.2509.8465.0
Selected Courses
Windward / Leeward1516.21066.8867.9769.0718.8690.1671.4645.2630.7
All purpose1151.5830.6696.1636.4606.6588.0573.9552.5539.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward747.00.8032
All purpose623.00.9631
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7043
Downwind "popa"0.8581
70% up, 30% down "Ilhabela"0.7443
30% up, 70% down "Ilhabela-inverso"0.8053
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Predominantly Upwind670.30.8951
Predominantly Downwind625.80.9588
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP646.40.9282 Predom. Rc High524.71.1434 5B SF Bay L/M804.20.7461 TriNum AP Low763.40.7860 Predom. Dn Low922.90.6501 5B SF Bay Med711.00.8439 TriNum AP Med619.40.9687 Predom. Dn L/M696.30.8617 5B SF Bay M/H661.60.9069 TriNum AP High569.41.0538 Predom. Dn Med608.30.9863 5B SF Bay High636.60.9424 TriNum W/L Low1012.40.5927 Predom. Dn M/H552.81.0853 5B AP Low843.60.7112 TriNum W/L Med740.70.8100 Predom. Dn High517.41.1597 5B AP L/M681.60.8802 TriNum W/L Hig666.20.9006 ChiMac Up Low813.50.7376 5B AP Med613.10.9786 Predom. Upwind695.30.8629 ChiMac Up Med747.20.8030 5B AP M/H575.41.0428 Predom. Reaching621.50.9654 ChiMac Up High669.90.8957 5B AP High553.91.0832 Predom. Downwind652.70.9193 ChiMac Off Low802.70.7475 5B W/L Low1129.50.5312 Predom. Up Low909.60.6596 ChiMac Off Med717.40.8364 5B W/L L/M840.30.7140 Predom. Up L/M717.00.8369 ChiMac Off High615.70.9744 5B W/L Med730.70.8211 Predom. Up Med654.90.9162 ChiMac AP Low804.90.7454 5B W/L M/H674.10.8901 Predom. Up M/H624.90.9601 ChiMac AP Med730.20.8217 5B W/L High647.20.9271 Predom. Up High610.90.9821 ChiMac AP High641.60.9352 W/L 60-40 Low1130.90.5306 Predom. Rc Low822.30.7297 BayMac Cove Island917.40.6540 W/L 60-40 L/M849.40.7064 Predom. Rc L/M648.80.9248 BayMac Shore910.20.6592 W/L 60-40 Med746.90.8033 Predom. Rc Med587.81.0208 Harvest Moon558.51.0742 W/L 60-40 M/H696.60.8613 Predom. Rc M/H549.41.0922 5B SF Bay Low957.20.6268 W/L 60-40 High674.60.8895      SA/DSPL Up23.21SA/DSPL Dn41.86
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance671.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating671.70.8933
FinRating, kevyt tuuli1113.60.8980
FinRating, kova tuuli558.40.8954
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8933
Triple Number Coastal/Long Distance Low0.7860
Triple Number Coastal/Long Distance Medium0.9688
Triple Number Coastal/Long Distance High1.0538
Triple Number Windward/Leeward Low0.6202
Triple Number Windward/Leeward Medium0.8100
Triple Number Windward/Leeward High0.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
For information
General Purpose Handicap (GPH)690.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Saronikos S All_Purpose695.20.8631
Saronikos S Upwind774.70.7745
Saronikos S Downwind599.01.0016
Saronikos N All_Purpose695.20.8631
Saronikos N Upwind806.00.7444
Saronikos N Downwind649.20.9242
Saronikos SW All_Purpose698.00.8596
Saronikos SW Upwind788.80.7607
Saronikos SW Downwind609.10.9850
Saronikos NE All_Purpose753.70.7961
Saronikos NE Upwind761.20.7883
Saronikos NE Downwind722.50.8304
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose646.40.9282
5-Band All-Purpose Low912.60.6574
5-Band All-Purpose L/M705.30.8508
5-Band All-Purpose Med630.90.9511
5-Band All-Purpose M/H588.41.0197
5-Band All-Purpose High564.11.0636
Single Number Predominant Upwind668.70.8972
Single Number Predominant Reaching600.10.9999
Single Number Predominant Downwind626.90.9571
5-Band 50-50 Windward/Leeward Low1129.50.5312
5-Band 50-50 Windward/Leeward L/M840.30.7140
5-Band 50-50 Windward/Leeward Med730.70.8211
5-Band 50-50 Windward/Leeward M/H674.10.8901
5-Band 50-50 Windward/Leeward High647.20.9271
5-Band 60-40 Windward/Leeward Low1130.90.5306
5-Band 60-40 Windward/Leeward L/M849.40.7064
5-Band 60-40 Windward/Leeward Med746.90.8033
5-Band 60-40 Windward/Leeward M/H696.60.8613
5-Band 60-40 Windward/Leeward High674.60.8895
Triple Number 50-50 Windward/Leeward Low1012.40.5927
Triple Number 50-50 Windward/Leeward Med740.90.8099
Triple Number 50-50 Windward/Leeward High666.20.9006
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward762.80.7866
Triple Number 60-40 Windward/Leeward Low1016.10.5905
Triple Number 60-40 Windward/Leeward Med756.00.7937
Triple Number 60-40 Windward/Leeward High690.00.8696
Triple Number All-Purpose Low827.10.7254
Triple Number All-Purpose Med637.80.9407
Triple Number All-Purpose High581.71.0315
Triple Number Predominant Upwind Low836.90.7169
Triple Number Predominant Upwind Med662.30.9059
Triple Number Predominant Upwind High627.70.9559
Triple Number Predominant Reaching Low754.10.7956
Triple Number Predominant Reaching Med602.00.9967
Triple Number Predominant Reaching High534.31.1230
Triple Number Predominant Downwind Low829.40.7234
Triple Number Predominant Downwind Med617.00.9724
Triple Number Predominant Downwind High532.31.1273
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low763.4
Triple Number Coastal/Long Distance Medium619.3
Triple Number Coastal/Long Distance High569.4
Triple Number Windward/Leeward Low967.4
Triple Number Windward/Leeward Medium740.7
Triple Number Windward/Leeward High666.2
Predominantly Upwind670.3
Predominantly Downwind625.8
Predominantly Reaching606.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7860
Triple Number Coastal/Long Distance Medium0.9688
Triple Number Coastal/Long Distance High1.0538
Triple Number Windward/Leeward Low0.6202
Triple Number Windward/Leeward Medium0.8100
Triple Number Windward/Leeward High0.9006
Coastal/Long Distance0.8933
Predominantly Upwind0.8951
Predominantly Downwind0.9588
For information
General Purpose Handicap (GPH)690.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9631
Distanseseilas Trippeltall svak vind0.7860
Distanseseilas Trippeltall mellomvind0.9688
Distanseseilas Trippeltall sterk vind1.0538
Pølsebane Trippeltall svak vind0.6202
Pølsebane Trippeltall mellomvind0.8100
Pølsebane Trippeltall sterk vind0.9006
Motvind Singeltall0.8951
Medvind Singeltall0.9588
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Coastal/Long Distance671.70.8933
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind670.30.8951
Predominantly Downwind625.80.9588
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore635.10.9448
Cape Doctor Coastal543.31.1044
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7860
Triple Number Coastal/Long Distance Medium0.9688
Triple Number Coastal/Long Distance High1.0538
Triple Number Windward/Leeward Low0.6202
Triple Number Windward/Leeward Medium0.8100
Triple Number Windward/Leeward High0.9006
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7860
Triple Number Coastal/Long Distance Medium0.9688
Triple Number Coastal/Long Distance High1.0538
Triple Number Windward/Leeward Low0.6202
Triple Number Windward/Leeward Medium0.8100
Triple Number Windward/Leeward High0.9006
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Predominantly Upwind670.30.8951
Predominantly Downwind625.80.9588
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance671.70.8933
Triple Number Coastal/Long Distance Low763.40.7860
Triple Number Coastal/Long Distance Medium619.30.9688
Triple Number Coastal/Long Distance High569.41.0538
Triple Number Windward/Leeward Low967.40.6202
Triple Number Windward/Leeward Medium740.70.8100
Triple Number Windward/Leeward High666.20.9006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1518.51065.9821.4704.5643.0608.4579.4533.0519.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP646.40.9282 Predom. Dn High517.41.1597 5B AP M/H575.41.0428 TriNum AP Low763.40.7860 Predom. Rc Low822.30.7297 5B AP High553.91.0832 TriNum AP Med619.40.9687 Predom. Rc L/M648.80.9248 5B SF Bay Low957.20.6268 TriNum AP High569.41.0538 Predom. Rc Med587.81.0208 5B SF Bay L/M804.20.7461 TriNum W/L Low1012.40.5927 Predom. Rc M/H549.41.0922 5B SF Bay Med711.00.8439 TriNum W/L Med740.70.8100 Predom. Rc High524.71.1434 5B SF Bay M/H661.60.9069 TriNum W/L Hig666.20.9006 5B W/L Low1129.50.5312 5B SF Bay High636.60.9424 Predom. Upwind695.30.8629 5B W/L L/M840.30.7140 ChiMac Up Low813.50.7376 Predom. Reaching621.50.9654 5B W/L Med730.70.8211 ChiMac Up Med747.20.8030 Predom. Downwind652.70.9193 5B W/L M/H674.10.8901 ChiMac Up High669.90.8957 Predom. Up Low909.60.6596 5B W/L High647.20.9271 ChiMac Off Low802.70.7475 Predom. Up L/M717.00.8369 W/L 60-40 Low1130.90.5306 ChiMac Off Med717.40.8364 Predom. Up Med654.90.9162 W/L 60-40 L/M849.40.7064 ChiMac Off High615.70.9744 Predom. Up M/H624.90.9601 W/L 60-40 Med746.90.8033 ChiMac AP Low804.90.7454 Predom. Up High610.90.9821 W/L 60-40 M/H696.60.8613 ChiMac AP Med730.20.8217 Predom. Dn Low922.90.6501 W/L 60-40 High674.60.8895 ChiMac AP High641.60.9352 Predom. Dn L/M696.30.8617 5B AP Low843.60.7112 BayMac Cove Island917.40.6540 Predom. Dn Med608.30.9863 5B AP L/M681.60.8802 BayMac Shore910.20.6592 Predom. Dn M/H552.81.0853 5B AP Med613.10.9786 Harvest Moon558.51.0742      SA/DSPL Up23.21SA/DSPL Dn41.86
ORC Ref  051800048LU Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
IMPETUOUSIRL 2507
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCORBY 25MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall7.710Maximum beam2.468Draft1.821Displacement2,360Wetted area13.46IMS L7.069LSM06.623Accomod. length7.710Sink (kg/mm) 8.98
VCGD-0.123VCGM-0.070 RM Rated (kg·m) 24.8Limit of positive stability(°) 124.6 Stability Index 125.2 BLR index 0.0000Default crew weight382 Declared crew weight 510
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRDPBW
APHAPTAPB
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P9.700IG10.590ISP10.850MDT10.095MDL10.138MDT20.095MDL20.138TL0.000MW0.138GO0.138
E3.600J2.900BAS1.320FSD0.034SFJ0.050SPL3.200WPLTPSBD0.120MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.123Flotation Date31/01/2013
SFFP0.159FFMFF0.960LCFcl4.250SG
SAFP7.669FAMFA0.716LCFsh4.409HBI0.859
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  051800048LU Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
IMPETUOUSIRL 2507
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.751.332.3020.8021/01/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.500.941.903.9710.40NoNo 20.45
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment010.8010.8010.806.025.7153.62
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  051800048LU Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org