SEP 2018


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SEPTEMBER 2018 72 CompositesWorld INSIDE MANUFACTURING carbon fiber, with a lower modulus and tensile strength (34 msi and 700 ksi, respectively), is used in a similar Newport 301 prepreg for these tubes. Building the standing rigging e standing rigging lines that also support the mast are commercial pultruded carbon rods provided by Marske Aircraft (Marion, OH, US) — one pultruded rod per line — with end connections created by Henderson Boat Co., using braided SK-99 Dyneema (DSM Dyneema, Geleen, e Netherlands). Henderson has experimented with various ways to fix termi- nations on the rods. For this rigging — and what Bieker says appears to be the best solution so far — one end of a section of hollow braided Dyneema is joined with the pultruded rod in the following steps: FIG. 3 Carbon composite mast/ spreader structure A carbon fiber composite mast spreader root, which enables attachment of the spreaders to the mast tube, awaits installation on a finished dinghy hull/deck structure in the yard behind the boat construction shop. P.O. Box 1366 Norwich Rd. Plainfield, CT. 06374 Office: 860.564.7817 Cell: 860.608.4696 Fax: 860.564.1535 Adhesive Prepregs for Composite Manufacturers Lightning Strike Prepregs Quality System AS9100D Certified WWW.PREPREGS.COM Strikeguard ™ is a conductive epoxy-based lightning strike system with in- or out-of-autoclave capabilities and can be cured between 250°F and 350°F. High Performance Polyamide Visit Booth P4

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