Double HandedClub Certificate2026
MASCE'ITA-17303
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 Angles46.5°43.6°41.6°40.6°40.0°39.7°39.7°40.4°42.0°
Beat VMG2.303.273.974.434.674.764.794.774.62
52°3.635.005.926.506.786.886.936.966.90
60°3.925.286.186.726.997.117.167.227.19
75°4.155.496.376.897.187.377.477.597.65
90°4.045.416.427.017.267.487.677.948.11
110°3.965.526.617.207.587.898.108.438.71
120°3.845.386.497.127.537.918.278.839.22
135°3.364.835.986.797.287.678.078.9210.02
150°2.784.085.176.096.777.217.548.239.01
Run VMG2.413.534.485.275.886.336.727.337.93
Gybe Angles139.5°143.5°147.6°149.0°151.7°157.0°161.9°164.4°161.2°
APH ToD:583.4CDL: 8.423APH ToT: 1.0285CertNo:26/1
BOAT
ClassDufour 34 perf.DesignerFelciBuilderDufourAge date05/2007Series date01/2003Offset fileDUF34PERF.offData fileI17303
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.936 mDisplacement5,403 kgDLR6.7768IMS DivisionCruiser/RacerDynamic Allowance0.280%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationStrutTypeFeathering 2 bladesDiameter0.402m
CREW
Maximum weight152 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.4932.30Headsail Luffed33.1333.13Headsail FlyingSymmetricAsymmetric82.1282.12 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.00Storm Jib8.14Heavy Weather Jib21.97
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 118.0 kg·m Stability Index 118.7
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  03190004MAH Issued on 21/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
MASCE'ITA-17303
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 VMG1563.41100.2907.4812.7771.4756.5751.0754.6779.5
52°991.0719.5607.7554.0531.3523.1519.2517.0521.9
60°917.9681.6582.2535.5515.1506.6502.6498.6501.0
75°867.8655.7564.7522.2501.1488.7481.9474.1470.8
90°891.3666.0560.3513.7495.8481.6469.2453.2443.7
110°908.8652.0545.0500.1475.2456.5444.6427.0413.3
120°937.6668.7555.1505.4477.8455.2435.3407.5390.3
135°1071.1745.2602.5530.0494.3469.3446.3403.6359.2
150°1295.6883.4696.4591.4531.4499.4477.2437.5399.5
Run VMG1496.01020.1804.1682.9612.3568.4535.4491.1454.1
Selected Courses
Windward / Leeward1529.71060.2855.8747.8691.9662.4643.2622.9616.8
All purpose1152.7816.3671.0598.6562.7542.4528.7511.3502.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward723.70.8291
All purpose583.41.0285
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7175
Downwind "popa"0.8909
70% up, 30% down "Ilhabela"0.7620
30% up, 70% down "Ilhabela-inverso"0.8307
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Predominantly Upwind634.70.9453
Predominantly Downwind587.91.0205
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP609.50.9845 Predom. Rc High478.91.2529 5B SF Bay L/M785.20.7642 TriNum AP Low743.70.8068 Predom. Dn Low897.50.6685 5B SF Bay Med680.70.8814 TriNum AP Med578.71.0369 Predom. Dn L/M661.00.9077 5B SF Bay M/H628.90.9541 TriNum AP High525.61.1415 Predom. Dn Med567.81.0567 5B SF Bay High609.20.9848 TriNum W/L Low1004.30.5974 Predom. Dn M/H513.01.1696 5B AP Low823.80.7284 TriNum W/L Med716.80.8370 Predom. Dn High480.51.2487 5B AP L/M650.90.9218 TriNum W/L Hig640.40.9369 ChiMac Up Low798.90.7510 5B AP Med571.41.0500 Predom. Upwind662.80.9053 ChiMac Up Med722.10.8309 5B AP M/H531.01.1300 Predom. Reaching579.31.0358 ChiMac Up High635.10.9447 5B AP High512.81.1702 Predom. Downwind615.50.9749 ChiMac Off Low771.40.7778 5B W/L Low1126.40.5326 Predom. Up Low910.10.6593 ChiMac Off Med682.60.8790 5B W/L L/M823.60.7285 Predom. Up L/M692.00.8671 ChiMac Off High578.41.0373 5B W/L Med705.80.8501 Predom. Up Med614.70.9761 ChiMac AP Low781.60.7677 5B W/L M/H647.10.9272 Predom. Up M/H581.31.0321 ChiMac AP Med699.80.8574 5B W/L High625.30.9595 Predom. Up High570.81.0512 ChiMac AP High605.20.9915 W/L 60-40 Low1134.70.5288 Predom. Rc Low802.80.7473 BayMac Cove Island900.80.6660 W/L 60-40 L/M835.30.7183 Predom. Rc L/M610.60.9826 BayMac Shore893.90.6712 W/L 60-40 Med721.70.8313 Predom. Rc Med540.01.1111 Harvest Moon510.61.1751 W/L 60-40 M/H668.60.8974 Predom. Rc M/H501.31.1968 5B SF Bay Low949.50.6319 W/L 60-40 High651.90.9203      SA/DSPL Up20.87SA/DSPL Dn36.69
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance635.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating635.20.9447
FinRating, kevyt tuuli1108.20.9024
FinRating, kova tuuli516.20.9687
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9447
Triple Number Coastal/Long Distance Low0.8068
Triple Number Coastal/Long Distance Medium1.0370
Triple Number Coastal/Long Distance High1.1415
Triple Number Windward/Leeward Low0.6263
Triple Number Windward/Leeward Medium0.8370
Triple Number Windward/Leeward High0.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
For information
General Purpose Handicap (GPH)653.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Saronikos S All Purpose671.00.8942
Saronikos S Upwind755.10.7946
Saronikos S Downwind564.41.0630
Saronikos N All Purpose702.10.8546
Saronikos N Upwind791.10.7585
Saronikos N Downwind606.90.9887
Saronikos SW All Purpose672.00.8928
Saronikos SW Upwind774.00.7752
Saronikos SW Downwind565.91.0603
Saronikos NE All Purpose723.50.8293
Saronikos NE Upwind740.00.8108
Saronikos NE Downwind679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose609.50.9845
5-Band All Purpose Low899.80.6668
5-Band All Purpose L/M674.60.8894
5-Band All Purpose Med590.21.0166
5-Band All Purpose M/H546.51.0978
5-Band All Purpose High525.31.1422
Single Number Predominant Upwind633.50.9471
Single Number Predominant Reaching556.11.0790
Single Number Predominant Downwind588.71.0192
5-Band 50-50 Windward/Leeward Low1126.40.5326
5-Band 50-50 Windward/Leeward L/M823.60.7285
5-Band 50-50 Windward/Leeward Med705.80.8501
5-Band 50-50 Windward/Leeward M/H647.10.9272
5-Band 50-50 Windward/Leeward High625.30.9595
5-Band 60-40 Windward/Leeward Low1134.70.5288
5-Band 60-40 Windward/Leeward L/M835.30.7183
5-Band 60-40 Windward/Leeward Med721.70.8313
5-Band 60-40 Windward/Leeward M/H668.60.8974
5-Band 60-40 Windward/Leeward High651.90.9203
Triple Number 50-50 Windward/Leeward Low1004.30.5974
Triple Number 50-50 Windward/Leeward Med716.90.8369
Triple Number 50-50 Windward/Leeward High640.40.9369
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward739.70.8111
Triple Number 60-40 Windward/Leeward Low1013.50.5920
Triple Number 60-40 Windward/Leeward Med732.10.8196
Triple Number 60-40 Windward/Leeward High663.10.9049
Triple Number All-Purpose Low808.40.7422
Triple Number All-Purpose Med597.91.0035
Triple Number All-Purpose High540.51.1101
Triple Number Predominant Upwind Low827.70.7249
Triple Number Predominant Upwind Med623.80.9618
Triple Number Predominant Upwind High584.11.0272
Triple Number Predominant Reaching Low729.40.8226
Triple Number Predominant Reaching Med555.91.0794
Triple Number Predominant Reaching High485.31.2365
Triple Number Predominant Downwind Low801.40.7487
Triple Number Predominant Downwind Med577.01.0398
Triple Number Predominant Downwind High493.51.2159
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low743.7
Triple Number Coastal/Long Distance Medium578.6
Triple Number Coastal/Long Distance High525.6
Triple Number Windward/Leeward Low958.0
Triple Number Windward/Leeward Medium716.8
Triple Number Windward/Leeward High640.4
Predominantly Upwind634.7
Predominantly Downwind587.9
Predominantly Reaching564.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8068
Triple Number Coastal/Long Distance Medium1.0370
Triple Number Coastal/Long Distance High1.1415
Triple Number Windward/Leeward Low0.6263
Triple Number Windward/Leeward Medium0.8370
Triple Number Windward/Leeward High0.9369
Coastal/Long Distance0.9447
Predominantly Upwind0.9453
Predominantly Downwind1.0205
For information
General Purpose Handicap (GPH)653.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0285
Distanseseilas Trippeltall svak vind0.8068
Distanseseilas Trippeltall mellomvind1.0370
Distanseseilas Trippeltall sterk vind1.1415
Pølsebane Trippeltall svak vind0.6263
Pølsebane Trippeltall mellomvind0.8370
Pølsebane Trippeltall sterk vind0.9369
Motvind Singeltall0.9453
Medvind Singeltall1.0205
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Coastal/Long Distance635.20.9447
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind634.70.9453
Predominantly Downwind587.91.0205
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore618.60.9699
Cape Doctor Coastal505.01.1882
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8068
Triple Number Coastal/Long Distance Medium1.0370
Triple Number Coastal/Long Distance High1.1415
Triple Number Windward/Leeward Low0.6263
Triple Number Windward/Leeward Medium0.8370
Triple Number Windward/Leeward High0.9369
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8068
Triple Number Coastal/Long Distance Medium1.0370
Triple Number Coastal/Long Distance High1.1415
Triple Number Windward/Leeward Low0.6263
Triple Number Windward/Leeward Medium0.8370
Triple Number Windward/Leeward High0.9369
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Predominantly Upwind634.70.9453
Predominantly Downwind587.91.0205
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.20.9447
Triple Number Coastal/Long Distance Low743.70.8068
Triple Number Coastal/Long Distance Medium578.61.0370
Triple Number Coastal/Long Distance High525.61.1415
Triple Number Windward/Leeward Low958.00.6263
Triple Number Windward/Leeward Medium716.80.8370
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.31056.2804.3674.0601.5563.6533.3485.5474.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP609.50.9845 Predom. Dn High480.51.2487 5B AP M/H531.01.1300 TriNum AP Low743.70.8068 Predom. Rc Low802.80.7473 5B AP High512.81.1702 TriNum AP Med578.71.0369 Predom. Rc L/M610.60.9826 5B SF Bay Low949.50.6319 TriNum AP High525.61.1415 Predom. Rc Med540.01.1111 5B SF Bay L/M785.20.7642 TriNum W/L Low1004.30.5974 Predom. Rc M/H501.31.1968 5B SF Bay Med680.70.8814 TriNum W/L Med716.80.8370 Predom. Rc High478.91.2529 5B SF Bay M/H628.90.9541 TriNum W/L Hig640.40.9369 5B W/L Low1126.40.5326 5B SF Bay High609.20.9848 Predom. Upwind662.80.9053 5B W/L L/M823.60.7285 ChiMac Up Low798.90.7510 Predom. Reaching579.31.0358 5B W/L Med705.80.8501 ChiMac Up Med722.10.8309 Predom. Downwind615.50.9749 5B W/L M/H647.10.9272 ChiMac Up High635.10.9447 Predom. Up Low910.10.6593 5B W/L High625.30.9595 ChiMac Off Low771.40.7778 Predom. Up L/M692.00.8671 W/L 60-40 Low1134.70.5288 ChiMac Off Med682.60.8790 Predom. Up Med614.70.9761 W/L 60-40 L/M835.30.7183 ChiMac Off High578.41.0373 Predom. Up M/H581.31.0321 W/L 60-40 Med721.70.8313 ChiMac AP Low781.60.7677 Predom. Up High570.81.0512 W/L 60-40 M/H668.60.8974 ChiMac AP Med699.80.8574 Predom. Dn Low897.50.6685 W/L 60-40 High651.90.9203 ChiMac AP High605.20.9915 Predom. Dn L/M661.00.9077 5B AP Low823.80.7284 BayMac Cove Island900.80.6660 Predom. Dn Med567.81.0567 5B AP L/M650.90.9218 BayMac Shore893.90.6712 Predom. Dn M/H513.01.1696 5B AP Med571.41.0500 Harvest Moon510.61.1751      SA/DSPL Up20.87SA/DSPL Dn36.69
ORC Ref  03190004MAH Issued on 21/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
MASCE'ITA-17303
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34 perf.Measurement20/04/2017HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.300Maximum beam3.482Draft1.936Displacement5,403Wetted area23.93IMS L9.352LSM09.272Accomod. length10.300Sink (kg/mm) 18.49
VCGD0.059VCGM0.080 RM Rated (kg·m) 118.0Limit of positive stability(°) 117.8 Stability Index 118.7 BLR index 0.0000Default crew weight170 Declared crew weight 152
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.402PBW0.125PIPA0.0036
EDL2.100ST10.065ST20.180
ST30.180ST40.110ST50.275
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P11.870IG12.700ISP12.980MDT10.120MDL10.180MDT20.120MDL20.180TLMW0.180GO0.196
E4.330J3.720BAS1.670FSD0.034SFJ0.140SPLWPLTPS4.190BD0.130MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered118.0Flotation Date08/05/2025
SFFP0.390FFM1.300FF1.300LCFcl5.769SG1.0250
SAFP9.636FAM1.034FA1.034LCFsh6.017HBI1.122
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004MAH Issued on 21/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
MASCE'ITA-17303
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.180.961.752.893.7231.4920/04/2017
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.070.671.292.553.875.2512.77NoNo 33.1320/04/2017
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA13.8212.7013.267.467.32102%82.1207/05/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.3 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity86 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity56 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004MAH Issued on 21/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org