Before setting up that first frame we needed to know how level the rails were that are going to support the frames until the hull is ready to be turned over. There is no point setting up the first frame sitting hard against the rails then finding as you progress that it is the lowest point on the rails. Using a laser level and a long batten we compared heights all over both rails to find the high points. Plywood spacers were added to the rails at the first frame position to get it above the highest point on the rails. All other frames are lifted as needed on plywood spacers and/or wedges to get them to the correct level.
|Spacers under frames to get them level. The legs are screwed to rails and frames are screwed to the legs.|
|In this photo the frames have all been set up, checked and checked again. The laser level is at left, clamped to a post on the router table. The light is shining on all frames onto the waterlines that were drawn accurately from the drawings.|
|Here one of the girders has been lowered into its slots in the frames to check accuracy. Other girders are lying against the frames. They are scarphed into long lengths from plywood.|
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