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About the J/109

Is the J109 the best racer/cruiser J/Boats ever built? [375] J109s have been built. The J109 works for so many owners thanks to its true dual use capabilities. You will log many races, both exciting one design and mixed fleet PHRF/IRC. Sensible one design rules including owner driver and CAT-3 limits encourage one-design event participation …

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Specs

​ Parameter ft/lb m/kg LOA 35.25 10.75 LWL 30.50 9.30 Beam 11.50 3.51 Standard Draft 7.00 2.10 Standard Ballast 3,900 1,769 Displacement 10,900 4,944 Engine 28 hp 28 hp 100% SA 644 59.80 I 46.50 14.17 ISP 49.60 15.11 J 13.30 4.05 P 43.25 13.18 E 15.50 4.72 SA/Dspl 21 21 Dspl/L 172 172 Headstay …

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PHRF & IRC

J/109 Ratings Under PHRF Handicapping Contact admin@j109.org with PHRF updates or to add districts not included Last Update: 3 April 2016 Configuration ODR Spin ODR Cruise PHRF base Notes Jib size 105% 105% 155% A = +3 to PHRF base for 145% Spinnaker Area in Square Meters 108 108 B = -3 to PHRF base for …

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Drawings & Manuals

This page contains files and links for parts, equipment and drawings that will help J/109 owners. If you have a document or link for a file relevant to the J/109, please send the information to admin@j109.org for posting here. J/Boats Documents  J/109 Deep Keel Layout – 3/23/2001 J/109 Deep Keel Offsets (Excel Spreadsheet) – 3/23/2001 J/109 Deep Keel Offsets …

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Technical Bulletins

This page contains links or files for technical bulletins issued by JBoats, Yanmar, Edson, and others applicable to J/109 owners. Edson Maintenance Bulletin, Rudder Bearings – 4/28/2004 Edson Steering System Inspection Guide – 3/24/2014 Edson Steering System Maintenance Tips – 4/15/2005 Edson Wheel Locking Nut Adjustment – 3/26/2007 Interlux Recommended Keel Coating Procedure – 7/26/2004 ISO 12215-9:2012 Keel Bolt Torque Specifications – 6/15/2012 J Boats Boat Inspection …

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Tips & Tuning

This page contains various tuning guides and tips for setting up the J/109. If you have another J/109 tip or tuning guide, please send the information to admin@j109.org for posting here. Tips Procedure on How to Set Mast Base Position – 12/17/2015 Rigging Ideas from the 2006 North Americans – 11/6/2006 Tuning North Sails Quick Tuning Guide 2016 Edition – 6/20/2016 …

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