Attaching Cross Sections 1 and 8

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1. Cross sections 1 and 8 are attached to HDPE stations during frame assembly. All other cross sections are free standing. The aluminum stringers are snapped on these two stations and cross sections 2 thru 7 are snapped into place along the stringers. All of the aluminum tubes have equal flex and will self-level between the two stations.

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2. Line up the cross sections vertically using a level placed on the centerline of the strongback. Use only one of the two deck screws at this point.

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3. Level the cross sections horizontally and secure the second deck screw. Sea Ranger cross sections 1 and 8 are attached to the stations at the same height. In this instance, the height from the top of the strongback (0″ baseline) to the bottom of the keel tube is 4 inches. The offsets call for a height of 1 inch at both sections 1 and 8.

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4. Cross section 8 is attached at 4″ above the strongback to match the height of cross section 1.

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5. The keel low point (0″) is 8.5ft from the bow. Since the lowest point is 1 inch below sections 1 and 8, the keel is secured at 3 inches above the strongback (baseline) during construction to maintain the designed rocker.

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