http://orc.org/index.asp?id=44 contains various attributes of sailing yachts with ORC certificate. Especially the velocity prediction programme (VPP) data is interesting to estimate boat speed.
This tool presents the data in a table and a ‘polar diagram’
.rms file:for <tws>: [6, 8, 10, 12, 14, 16, 20]
for <twa>: [52, 60, 75, 90, 110, 120, 135, 150]
NATCERTN.FILE_IDSAILNUMB sail numberNAME boat nameTYPE boat typeBUILDER boat builderDESIGNER boat designerYEAR Series yearCLUBOWNER name of ownerADRS1ADRS2C_Type Club or internationalDD_MM_yyYY HH:MM:SS Issued onReferenceNoD IMS Division, one of ‘C’ (Cruiser/Racer), ‘S’ (Sportboat) or ‘R’ (Racer)LOA Length over all (meters)IMSL IMS Sailing LengthCDL Class Division LengthDRAFT Draft (meters)BMAX Maximum beam (meters)DSPL Displacement (kg)DSPS Displacement in sailing trim (kg)CREW Crew weight (kg)WSS Wetted surface (m²)INDEX Stability IndexDA Dynamic AllowanceMAIN Maximum main sail area (m²)GENOA Maximum genoa area (m²)SYM Maximum symmetrical spinnaker area (m²)ASYM Maximum asymmetrical spinnaker area (m²)GPH General purpose handicapOSN Offshore Single Number (Time-on-Distance)ILCGA Time-on-Distance (inshore, single number)TMF-OF Time Multiplying Factor (offshore)TMF Time Multiplying Factor (inshore)PLT-O Performance Line Time-on-Time OffshorePLD-O Performance Line Time-on-Distance OffshorePLT-I Performance Line Time-on-Time InshorePLD-I Performance Line Time-on-Distance InshoreOTNLOW Offshore triple number lowOTNMED Offshore triple number midOTNHIG Offshore triple number highITNLOW Inshore triple number lowITNMED Inshore triple number midITNHIG Inshore triple number highDH_TOD Double Handed Time-on-Distance (offshore)DH_TOT Double Handed Time-on-Time (offshore)PLT2H Performance Line, Time-on-Time, Double HandedPLD2H Performance Line, Time-on-Distance, Double HandedUA<tws> optimal beat angle @tws (true wind angle)DA<tws> optimal gybe angle @tws (true wind angle)UP<tws> Beat VMG @tws (s/Nautical mile)R<twa><tws> Time allowance @twa/@tws (s/Nautical mile)D<tws> Run VMG @tws (s/Nautical mile)WL<tws> Windward / Leeward @twsOL<tws> ?? @twsCR<tws> Circular random @twsNSP<tws> Non spinnaker circular random @twsOC<tws> Ocean for Performance Curve Scoring (PCS) @twsMakefile, scoring.py and site/src/App.svelte.make jsonmake sitenpm run bundle) en commit.