background image

J/70   Owner   Guide   

   

Page      

   

   

   

©   Copyright   2012,         J   Boats,   Inc.      All   Rights   Reserved   

5   

CE   Certification:   

   
With   standard   equipment,   the   J/70   Meets   Category   C   Requirements   for   CE   Certification.      J/70s   built   by   CCFC   
for   European   clients   carry   the   Category   C   Certificate.      The   J/70   is   intended   for   daytime   navigation   only,      (not   
during   night).      

   
CE   Certification   Notice:   
This   manual   has   been   compiled   to   help   you   to   operate   your   J/70   with   safety   and   pleasure.   It   contains   details   
of   the   J/70;   the   equipment   supplied   or   fitted,   its   systems   and   information   on   its   operation.   Please   read   it   
carefully,   and   familiarize   yourself   with   the   craft   before   using   it.   
   
Even   when   your   boat   is   categorized   for   them,   the   sea   and   wind   conditions   corresponding   to   the   design   

categories   A,   B,   and   C   range   from   strong   gale   to   severe   conditions,   open   to   the   hazards   of   a   freak   wave   or   
gust,   and   are   therefore   dangerous   conditions,   where   only   a   competent,   fit   and   trained   crew   using   a   well   
maintained   boat   can   satisfactorily   operate.   
   
Ensure   that   the   anticipated   wind   and   sea   conditions   will   correspond   to   the   design   category   of   your   boat,   and   
that   you   and   your   crew   are   able   to   handle   the   boat   in   these   conditions.   

   
This   owner's   manual   is   not   a   course   on   boating   safety   or   seamanship.   If   this   is   your   first   boat,   or   you   are   
changing   to   a   type   of   boat   you   are   not   familiar   with,   for   your   own   comfort   and   safety,   please   ensure   that   you   
obtain   handling   and   operating   experience   before   "assuming   command"   of   the   boat.   Your   dealer   or   national   
sailing   federation   or   yacht   club   will   be   pleased   to   advise   you   of   local   sea   schools,   or   competent   instructors.   
   
This   owner's   manual   is   not   a   detailed   maintenance   or   trouble   shooting   guide.   In   case   of   difficulty,   refer   to   the   

boat   dealer,   builder   or   its   representative.   Always   use   trained   and   competent   people   for   maintenance,   fixing   
or   modifications.   Modifications   that   may   affect   the   safety   characteristics   of   the   craft   shall   be   assessed,   
executed   and   documented   by   competent   people.   The   boat   builder   cannot   be   held   responsible   for   
modifications   he   has   not   approved.   
   
NOTE:      Any   change   in   the   disposition   of   the   masses   aboard   may   significantly   affect   the   stability,   trim   and   

performance   of   your   boat.      Users   of   this   boat   are   advised   that:   
   

 

All   crew   should   receive   suitable   training;   

 

The   boat   should   not   carry   more   than   the   manufacturer's   recommended   load;   

 

Bilge   water   should   be   kept   to   a   minimum;   

 

Stability   is   reduced   by   any   weight   added   high   up;   

 

In   rough   weather,   hatches,   lockers   and   doorways   should   be   closed   to   minimize   the   risk   of   flooding;   

 

Stability   may   be   reduced   when   towing   or   lifting   heavy   weights   using   a   davit   or   boom;   

 

Breaking   waves   are   serious   stability   hazard.   

   
In   some   countries   a   driving   license   or   authorization   are   required,   or   specific   regulations   are   in   force.   
Always   maintain   your   boat   properly   and   make   allowance   for   the   deterioration   that   will   occur   in   time   and   as   
a   result   of   heavy   use   or   misuse   of   the   boat.   
   

Any   boat   –   no   matter   how   strong   it   may   be,   can   be   severely   damaged   if   not   used   properly.   This   is   not   
compatible   with   safe   boating.   Always   adjust   the   speed   and   direction   of   the   craft   to   sea   conditions.   
If   your   boat   is   fitted   with   a   life   raft,   read   carefully   its   operating   manual.   The   crew   should   be   familiar   with   the   
use   of   all   safety   equipment   (harness,   flares,   life   raft,   etc.)   and   emergency   maneuvering   (man   overboard   
recovery,   towing,   etc.);   sailing   schools   and   clubs   regularly   organize   drill   sessions.   
   
PLEASE   KEEP   THIS   MANUAL   IN   A   SECURE   PLACE,   AND   HAND   IT   OVER   TO   THE   NEW   OWNER   WHEN   YOU   

SELL   THE   CRAFT.   

Summary of Contents for J/70

Page 1: ...Yacht Name Owner Name...

Page 2: ...J 70 Owner Guide Page Copyright 2012 J Boats Inc All Rights Reserved 2...

Page 3: ...alyard System 13 Jib Furling System 13 Cockpit Safety Lines 13 Running Rigging 14 Rigging Your J 70 15 Mainsheet Traveler 17 Backstay System 18 Boom Vang Cunningham 19 Halyard Mast Base Layout 20 Head...

Page 4: ...porting outfitting the vessel with proper safety equipment and the safe operation of the vessel Your J Boats Dealer will be happy to refer you to Boating Safety Courses or other seminars available Ple...

Page 5: ...uble shooting guide In case of difficulty refer to the boat dealer builder or its representative Always use trained and competent people for maintenance fixing or modifications Modifications that may...

Page 6: ...turer s Recommended Maximum Total Load 530 kg 1 168 lbs Includes crew This assessment has been made assuming that all standard equipment is aboard and that the boat in light craft condition has a mass...

Page 7: ...l Area OD Class 16 07 sq m 173 sq ft Spinnaker Area OD Class 45 61 sq m 491 sq ft I 8 159m 26 77 ISP 9 189m 30 15 J 2 341m 7 68 P 7 973m 26 16 E 2 877m 9 44 Headstay Pin to Pin Length 05 14 12 8432 mm...

Page 8: ...info jboats com www jboats com 401 846 8410 Manufacturer C C Fiberglass Components Inc 75 Ballou Blvd Bristol RI 02809 info ccfci com www ccfci com 401 254 4342 J 70 Suppliers Phone Web Global BSI In...

Page 9: ...on air dry gelcoat finish Interior Structure J 70 interior structure includes several transverse bulkheads a V berth platform reinforced keel trunk and longitudinal hull support members Each of these...

Page 10: ...front end of cockpit until the cutting blade hits the G 10 composite cutting block that s molded into the hull Once the cutter has been used several times a narrow groove will develop in the G 10 bloc...

Page 11: ...e keel bulb to the trailer keel tie downs may be enough to keep the boat and keel braced together to the trailer Please refer to the Triad Trailer owner manual for more specific information and traile...

Page 12: ...d and hasp is mated with the drop board hasp eye and boat can then be locked For the covered position the cover should be installed to its hinges and the shock cord attached to the SS eye mounted to t...

Page 13: ...e inboard end of an optional owner supplied clew reef line IMPORTANT CARE SHOULD BE TAKEN WHEN HOISTING AND LOWERING THE MAST TO FIRST REMOVE THE VANG LUG AND TO PROPERLY SUPPORT AND PAD THE MAST AT A...

Page 14: ...lifeline pad s and reinsert the thimble it will be somewhat loose Take the lashing the shorter thinner piece with the eye splice in one end and luggage tag it through the bale on the stern pushpit Pas...

Page 15: ...rnbuckle Consult your sailmaker for a more specific recommendation Install headstay Install all side shrouds Be sure that the five black rubber plugs are inserted into the shroud to mast terminals so...

Page 16: ...stern rails in order not to overstress the SS loop on the mast deck plate when lowering the mast Lift the mast while a helper pulls the extended spinnaker or main halyard from the front of the boat O...

Page 17: ...dle Block 2621 Harken Carbo Ratchet Block 2135 Harken Cam Base for 57mm 144 3 16 5 1 Mainsheet J 70 Mainsheet Layout 2 C 9 2 C 9 Harken Micro Cam Cleat w fairlead 468 424 Harken 29mm fixed block 348 o...

Page 18: ...y System 5mm DYNEX 75 Backstay Forged Shackle Soft Eye Splice One Side Harken 29mm Fixed Block 348 on SS Eye Strap 073 P S Harken 29mm Cheek Block 350 P S Harken Micro Cam Cleat w fairlead 468 424 P S...

Page 19: ...Harken 150 Cam w 425 Fairlead Port Stbd Harken 40mm Carbo T2 Loop Blocks 2148 one on vang lug one each on mast strap eyes P S J 70 Boom Vang Layout J 70 Cunningham Cunningham 3mm D12 Dyneema through s...

Page 20: ...on Ronstan SS Hook 4 1 Jib Halyard Purchase Line Harken 291 Mast Mounted Harken 40mm T2 Loop Block 2148 for Jib halyard tail Jib Halyard Purchase Strop Harken 40mm T2 Loop Block 2148 Harken 29mm T2 Lo...

Page 21: ...Harken 207 Top Swivel T Bar Eye Custom SS 316 Southern Spars w 5mm marine eye Headstay Wire 5mm 1 x 19 SS with 5mm marine eye termination Head of Jib Antal Halyard Sheave Top of Headstay Detail Botto...

Page 22: ...Car with S40 Orbit Block Ronstan RC72581 Series 25 Track End Stop 2 1 Jib Sheet terminates on front of Car J 70 Jib Sheet Layout C 2 9 Antal Clew Reef Sheave Clew Reef Exit Clew Reef Jam Cleat Harken...

Page 23: ...J 70 Owner Guide Page Copyright 2012 J Boats Inc All Rights Reserved 23 J 70 Deck Layout...

Page 24: ...Reserved 24 J 70 Bow Sprit Furler Controls 0 4 C Ronstan Fairleads for jib furler control Ronstan SS Lined Fairleads for jib furler control Ronstan SS Lined Fairlead pole control line Pole Control Lin...

Page 25: ...Owner Guide Page Copyright 2012 J Boats Inc All Rights Reserved 25 J 70 Bow Drainage Locker Access Sealed Removable Access hatch Sprit Furler Drainage Locker Drain Hole starboard side Harken Furler D...

Page 26: ...19 Twist Shackle attached to Harken 308 Wire Block Black Anodized Custom Aluminum Fabrication Harken 310 Thru Deck Wire Block Dutton Lainson WG1500 w HEX drive Black Dedicated keel stop plate to preve...

Page 27: ...battery charge for outboard Remove all trailer tie down straps except for bow winch strap Rig the keel crane and lift keel off the keel support tray Extend optional trailer extension if necessary Laun...

Page 28: ...ed on either side of the keel below the keel cover Both padeyes are designed for use along with a secured lifting strap for hauling and or launching operations with yacht club or boatyard single point...

Page 29: ...with the upper backstay This shroud setting is a good all around starting point In sea trialing the J 70 with several sailmakers we arrived at the following general grid using a LOOS PT 2 tension gau...

Page 30: ...ouds J 22 J 80 style it s a lot of extra distance to travel and one risks dragging the tack foot of the spinnaker in the water Always remember to tape the halyard shackle after attaching It can otherw...

Page 31: ...therwise left entirely to the owner to determine when a survey should occur KEEL KEEL FLOORS Overview One of the most critical areas of a modern fin keeled composite boat is the keel and keel floor ar...

Page 32: ...ere is ingress through cracks in the paint gelcoat in the bilge The process of hydrolysis is persistent and invisible it s water that chemically degrades the quality and strength of the laminate over...

Page 33: ...ntered over the boat and such that the mast is in column or straight as you site up the mast groove on the aft side Proper tuning for all conditions usually means maintaining enough tension on the shr...

Page 34: ...an integral bulkhead housing support The system can easily be damaged particularly when struck laterally or vertically at the end of the pole with any force e g when rounding marks hitting sterns hit...

Page 35: ...ly encourage all owners to start by inspecting their boats now to best ensure a long productive life FOOTNOTE The contents of this article are thought to be accurate but do not necessarily include all...

Page 36: ...b Halyard Purchase strop 1 3 Excel D12 Black 25mm soft eye 25mm soft eye 3 0 Jib Sheet 2 1 1 8 MB12 Red Grey whip whip 47 9 Spinnaker Halyard 1 6 8 Plait Prestretch Blue Splice on shackle ball whip 75...

Reviews: