Club
Certificate
2023

Boat

ALTER FOX

ITA-17744

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles41.8°39.6°37.6°37.2°37.0°36.9°37.2°
Beat VMG3.804.534.965.165.265.325.33
52°5.796.596.977.217.347.437.52
60°6.166.877.197.447.637.757.88
75°6.467.127.547.878.098.278.55
90°6.497.197.758.248.628.949.43
110°6.137.027.698.268.759.4410.75
120°5.906.967.658.369.089.7210.81
135°5.296.547.318.018.799.7312.24
150°4.485.646.607.277.838.5210.49
Run VMG3.884.885.716.306.787.389.08
Gybe Angles143.9°147.8°149.2°149.8°147.5°145.3°141.7°

APH: 527.6

CDL: 9.032

GPH: 588.5

CertNo: 23/1

BOAT
ClassDehler 30 ODDesignerJudel/VrolijkBuilderDehler YachtsAge date07/2020Series date08/2019Offset filedehler30.OD.offData fileI17744
HULL
Length Overall9.120 mMaximum Beam3.262 mDraft2.171 mDisplacement2,799 kgDLR3.9861IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.130%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight360 kgMinimum weight270 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.5434.48Headsail Luffed28.0328.03Headsail Flying53.2253.22SymmetricAsymmetric99.9599.95 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail8.19Storm Jib7.46Heavy Weather Jib20.14
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
retractable propeller peso IRC Cuccotti 2021
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  03190002IMBIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ALTER FOX

ITA-17744

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG947.6795.4726.5698.2684.3677.1675.6
52°621.3545.9516.4499.1490.3484.3479.0
60°584.6524.2500.4484.0472.1464.4456.9
75°557.2505.6477.2457.7445.1435.3421.2
90°554.5500.7464.5437.1417.5402.6381.7
110°587.2512.6468.3435.6411.2381.3334.9
120°610.0517.5470.3430.5396.3370.2333.1
135°681.1550.8492.6449.7409.6370.2294.0
150°803.9638.5545.8495.2459.9422.7343.3
Run VMG928.2737.3630.3571.8531.0488.1396.4
Selected Courses
Windward / Leeward937.9766.3678.4635.0607.7582.6536.0
All purpose717.8605.0547.8514.7491.8470.9435.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward656.30.9142
All purpose527.61.1372
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8070
Downwind "popa"0.9806
70% up, 30% down "Ilhabela"0.8522
30% up, 70% down "Ilhabela-inverso"0.9211
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Predominantly Upwind574.21.0449
Predominantly Downwind532.31.1272
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low661.40.9071
Triple Number All Purpose Medium527.51.1374
Triple Number All Purpose High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Predominantly Upwind574.21.0449
Predominantly Downwind532.31.1272
Predominantly Upwind Low733.80.8177
Predominantly Upwind Medium597.21.0047
Predominantly Upwind High561.01.0696
Predominantly Downwind Low725.50.8270
Predominantly Downwind Medium532.71.1263
Predominantly Downwind High426.01.4085
Chicago-Mac Upwind1.0279
Chicago-Mac All Purpose1.0667
Chicago-Mac Downwind1.1081
Bayview-Mac Cove Island1.0020
Bayview-Mac Shore1.0097
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching495.41.2111
Predominantly Reaching Low597.61.0041
Predominantly Reaching Medium494.21.2141
Predominantly Reaching High420.91.4255
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low924.70.6489
5-Band Low / Medium785.50.7639
5-Band Medium644.20.9314
5-Band Medium / High583.41.0285
5-Band High544.11.1028
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance574.5
Triple Number Coastal/Long Distance Low661.4
Triple Number Coastal/Long Distance Medium527.5
Triple Number Coastal/Long Distance High462.9
Triple Number Windward/Leeward Low852.2
Triple Number Windward/Leeward Medium653.6
Triple Number Windward/Leeward High571.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9071
Triple Number Coastal/Long Distance Medium1.1374
Triple Number Coastal/Long Distance High1.2962
Triple Number Windward/Leeward Low0.7041
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low661.4
Triple Number Coastal/Long Distance Medium527.5
Triple Number Coastal/Long Distance High462.9
Triple Number Windward/Leeward Low852.2
Triple Number Windward/Leeward Medium653.6
Triple Number Windward/Leeward High571.4
Predominantly Upwind574.2
Predominantly Downwind532.3
Predominantly Reaching506.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9071
Triple Number Coastal/Long Distance Medium1.1374
Triple Number Coastal/Long Distance High1.2962
Triple Number Windward/Leeward Low0.7041
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0500
Coastal/Long Distance1.0444
Predominantly Upwind1.0449
Predominantly Downwind1.1272
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9071
Tretall Distanseseilas Mellomvind1.1374
Tretall Distanseseilas Mye vind1.2962
Tretall Pølsebane Lite vind0.7041
Tretall Pølsebane Mellomvind0.9180
Tretall Pølsebane Mye vind1.0500
Distanseseilas ett tall (OSN 8-16kn)1.0444
Distanseseilas ett tall (APH 6-20kn)1.1372
Enkeltall Motvind1.0449
Enkeltall Medvind1.1272
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Coastal/Long Distance574.51.0444
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind574.21.0449
Predominantly Downwind532.31.1272
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore550.01.0909
Cape Doctor Coastal446.21.3447
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9071
Triple Number Coastal/Long Distance Medium1.1374
Triple Number Coastal/Long Distance High1.2962
Triple Number Windward/Leeward Low0.7041
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0500
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9071
Triple Number Coastal/Long Distance Medium1.1374
Triple Number Coastal/Long Distance High1.2962
Triple Number Windward/Leeward Low0.7041
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0500
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Predominantly Upwind574.21.0449
Predominantly Downwind532.31.1272
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.51.0444
Triple Number Coastal/Long Distance Low661.40.9071
Triple Number Coastal/Long Distance Medium527.51.1374
Triple Number Coastal/Long Distance High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.9722.1614.1550.4510.6475.0415.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low661.40.9071
Triple Number All Purpose Medium527.51.1374
Triple Number All Purpose High462.91.2962
Triple Number Windward/Leeward Low852.20.7041
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High571.41.0500
Predominantly Upwind574.21.0449
Predominantly Downwind532.31.1272
Predominantly Upwind Low733.80.8177
Predominantly Upwind Medium597.21.0047
Predominantly Upwind High561.01.0696
Predominantly Downwind Low725.50.8270
Predominantly Downwind Medium532.71.1263
Predominantly Downwind High426.01.4085
Chicago-Mac Upwind1.0279
Chicago-Mac All Purpose1.0667
Chicago-Mac Downwind1.1081
Bayview-Mac Cove Island1.0020
Bayview-Mac Shore1.0097
Harvest Moon Regatta446.11.3451
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy553.11.0848
San Francisco Bay Medium639.50.9383
Predominantly Reaching495.41.2111
Predominantly Reaching Low597.61.0041
Predominantly Reaching Medium494.21.2141
Predominantly Reaching High420.91.4255
Windward/Leeward 60-40 Low856.00.7009
Windward/Leeward 60-40 Medium673.60.8908
Windward/Leeward 60-40 High607.80.9872
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low924.70.6489
5-Band Low / Medium785.50.7639
5-Band Medium644.20.9314
5-Band Medium / High583.41.0285
5-Band High544.11.1028
ORC Ref  03190002IMBIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ALTER FOX

ITA-17744

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)
ClassDehler 30 ODMeasurement12/06/2020HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.120Max. Beam3.262Draft2.171Displacement2,799Wetted area19.19IMS L8.916LSM08.887Acc. length9.120Sink (kg/mm) 15.42
VCGD-0.350VCGM-0.229RM Rated (kg·m) 91.7Limit of positive stability(°) N/AStability IndexN/ABLR index1.1007
Water ballast weight200Water ballast LCG6.00Water ballast VCG0.57Water ballast TCG1.40
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAft & ForwardInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders1Rotating mastNo
P12.000IG12.213ISP13.040MDT10.112MDL10.179MDT20.105MDL20.155TL0.800MW0.179GO0.179
E3.900J4.110BAS1.130FSDNo FoilSFJ0.200SPLWPLTPS5.440BD0.170MWTMCG
Flying Headsail Foretriangles IdISPTPS112.8705.180
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.350Flotation Date17/04/2023MeasurerGRE-21+ formComment
SFFP0.300FFMFF0.700LCFcl5.317SG1.0270
SAFP9.050FAMFA0.904LCFsh5.562HBI1.107
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGAMovable2006.000.571.40Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002IMBIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ALTER FOX

ITA-17744

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA1.401.692.222.923.4533.5417/04/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC0.031.242.444.656.277.5112.58NoYes153.2217/04/2023A0.120.731.312.293.264.2312.48YesNo 28.0317/04/2023B0.030.370.721.422.172.959.30NoInner 13.5017/04/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA15.0012.7013.858.608.9097%99.9517/04/2023B14.9912.4013.707.258.0091%84.4517/04/2023
ORC Ref  03190002IMBIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org