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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 IP420
Island Packet 420
The Island Packet 420 is the latest generation of Island Packet designs, and embodies a host of proven design and construction features that have evolved over years of boatbuilding experience and via feedback of thousands of owners. Representing a significant evolution from earlier models in this size range, the IP420 delivers the combination of seakeeping, safety, stability and speed coupled with the comfort, liveability, and value that makes Island Packet Yachts America's Cruising Yacht Leader. The Island Packet 420 received the award for 'Best Full Size Cruiser' in the 2000 Boat Of The Year competition as conducted by Cruising World magazine.

- from the factory brochure    

Documentation For The IP420
Brochure Spec & Price List Interior Plan Designer Comments

Specifications For The IP420
First Built 1999   LOA 44'-7''   Sail Area 1088
Last Built 2005   LOD N/A   Sail I 55'-0''
Number Built 111   LWL 37'-4''   Sail J 18'-11''
Displacement 30000   Beam 14'-3''   Sail P 47'-6''
Ballast 12000   Draft 5'   Sail E 17'-0''
Fuel Cap 160 US gal   Shoal Draft N/A   D/L Ratio 257
Water Cap 250 US gal   Mast Height 59'   SA/D Ratio 18
Holding Cap 60 US gal   Diesel HP 75   B/D Ratio 40%
Click here to compare these IP420 specifications with other Island Packet models.

Running Rigging For The IP420
Mainsail Rigging   Staysail Rigging   Other Rigging
Halyard 1/2''x106'   Halyard 3/8''x85'   Jib Halyard 7/16''x115'
Sheet 1/2''x85'   Sheet 7/16''x80'   Jib Sheet 1/2''x160'
Topping Tail 5/16''x42'   Clew 3/8''x70'   Boom Vang 1/2''x42'
Topping Wire 1/8''x40' 7x7 wire   Topping Lift - -   Reefing Lines 9/16''
            Traveler Control 3/8''x30'
Click here to compare IP420 running rigging with other Island Packet models.

Standing Rigging For The IP420
  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 5/16'' PT-3 23 25 26
Aft Lower Stays 3/8'' PT-3 38 40 41
Fwd Lower Stays 3/8'' PT-3 38 40 41
Check Stays 5/16'' PT-3 23 25 26
Back Stays 5/16'' PT-3 26 28 29
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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