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Island Packet Model Information

Model  :  
General    ::    Docs    ::    Specs    ::    Rigging

Note: All Island Packet models are subject to specification changes (dimensions, capacities, ratings, equipment, etc.) during their production life. The specifications given here are representative and should be used for general comparison only.

General Information For The IP370
Island Packet 370
The Island Packet 370 is the result of decades of Island Packet design refinement and evolution. It combines innovative and proven features with all the exemplary construction qualities that have made Island Packet yachts respected and admired around the world. A host of exclusive design features, including our self tending staysail, geared steering system and time honored Full Foil Keel, all combine to provide superior seakeeping and delightful sailing qualities that will be appreciated as much by the weekend sailor as by the couple cruising the world. From the large, comfortable cockpit to the broad anchor platform, there are numerous deck features on the 370 to appreciate. Wide side decks, strategically placed hand rails and recessed foredecks maximize your feeling of confidence and safety on deck.

- from the factory brochure    

Documentation For The IP370
Brochure Spec & Price List Interior Plan Designer Comments

Specifications For The IP370
First Built - -   LOA 37'-10''   Sail Area 814
Last Built - -   LOD - -   Sail I 49''11'
Number Built - -   LWL 31'   Sail J 15''11'
Displacement 23800   Beam 13'-1''   Sail P 42''3'
Ballast 8400   Draft 4'-3''   Sail E 14''3'
Fuel Cap 75 US gal   Shoal Draft - -   D/L Ratio 357
Water Cap 160 US gal   Mast Height 54'-3''   SA/D Ratio 15.7
Holding Cap 55 US gal   Diesel HP 54   B/D Ratio 35%
Click here to compare these IP370 specifications with other Island Packet models.

Running Rigging For The IP370
Mainsail Rigging   Staysail Rigging   Other Rigging
Halyard 7/16''x125'   Halyard 3/8''x85'   Jib Halyard 7/16''x105'
Sheet 1/2''x80'   Sheet 7/16''x70'   Jib Sheet 1/2''x160'
Topping Tail 5/16''x33'   Clew 3/8''x65'   Boom Vang 1/2''x41'
Topping Wire 1/8''x38' 7x7 wire   Topping Lift - -   Reefing Lines 3/8''
            Traveler Control 3/8''x30'
Click here to compare IP370 running rigging with other Island Packet models.

Standing Rigging For The IP370
  Wire Size Loos Gauge Scale Reading
Below 50 F
Scale Reading
50 F to 80 F
Scale Reading
Above 80 F
Upper Stays 3/8'' PT-3 38 40 41
Intermediate Stays - - - - - - - - - -
Aft Lower Stays 3/8'' PT-3 38 40 41
Fwd Lower Stays 5/16'' PT-3 23 25 26
Check Stays - - - - - - - - - -
Back Stays 5/16'' PT-3 26 28 29

NOTE : Some early IP370 models may have been built with smaller Aft Lower Stays (5/16'' vs. 3/8'').  If your IP370 has these smaller stays then the tension readings made with a PT-3 gauge should not exceed 23 (below 50 deg F), 25 (between 50-80 deg F), and 26 (over 80 deg F). Please consult the factory if you have any questions.
IMPORTANT : These are MAXIMUM (not to exceed) rigging tensions as measured using the indicated Loos gauges

Check tensions after initial setup of the rigging and after any subsequent adjustments.

Gauge readings may vary from stay to stay of the same type but none should exceed the maximum scale readings listed.

Please visit the Loos website for more information about the PT-2 and PT-3 gauges.

If you are not familiar with the process for tuning your rig please contact a qualified rigger in your area.

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