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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
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Sparcraft IM-1170 Mast |
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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
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Sparcraft IM-1170 Mast |
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Sparcraft IM-1170 Mast Measurements (OD): 9 3/4" x 6 3/4" (247mm x 172mm) Wall Thickness (minimum): 4mm Weight/M: 8.98kg. - Weight/ft.: 6.01 lbs. Moments of inertia: Ixx = 59.59", Iyy = 27.87" Moments of inertia: Ixx = 2480cm4, Iyy = 1160cm4 Circumference: 26 3/4" (680mm) Sail slides: 15/16" flat slides, MM#8 Alloy: 6005-T6 Standard Mast Lengths: 19M See also: Isomat NG-86 Mast Section Common Mast usage: Lagoon; |
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See also Sparcraft Booms, and Sparcraft Spreaders. See also, Sparcraft IM Masts, and other Sparcraft Mast Sections. |
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| IM-1170 Mast Components | ||
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The IM-1170 was designed as a direct replacement for the Isomat NG-86 Mast Section.
The Integral Spinnaker Track was eliminated, resulting in lower overall weight and
increased strength to weight ratios.
Except for the integral Spinnaker Track, the Sections are identical, and most
all parts
(except for Spinnaker Cars) are interchangeable.
For complete Mast Assemblies, contact us with details.
Parts used primarily or exclusively with the IM-1170 Mast
Section are listed here. |
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IM-1170 Internal Waterproofing Plug: IM1170-WP: Internal Waterproofing Plug is installed in Keel-stepped Masts to prevent water intrusion below deck. Assembly consists of 2 plastic pieces carefully cut to fit Mast interior with central PVC standpipe to allow passage of electrical wires. Unit slides up from the bottom of the Mast to a point just above Deck level where a hole is drilled in Mast to allow for application of expanding foam between plastic pieces. Second hole is drilled just above upper plastic piece to allow water drainage.
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Internal Waterproofing Foam: NGA-Foam: Expanding foam is used for installation of Internal Waterproofing Plug. Single-use can is sufficient for installation of any Internal Waterproofing Plug. |
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