Isomat NB-16 Boom Section
Measurements (OD): 2 7/8" x 3 1/2" (72mm x 90mm)
Wall Thickness: .065"
Weight/ft.: 1.08 lbs. Weight/M: 1.61 kg
Moments of inertia: Ixx = 1.11", Iyy = 1.06"
Circumference: 10 3/4" (273mm)
Alloy: 6061-T6
Sail slides: 1/2" round slugs (A018, A118) or 1/2" boltrope
Standard Boom Lengths: 9'0" (2750mm)
Detailed specifications are available at the URL below for all Isomat Spars & Parts. Although Isomat themselves are no longer in existence the sections & certain parts are still available through Z Spars.
http://www.rigrite.com/Spars/Isomat_Spars/ISOMAT_Main.html
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