When we had our new garage built, I specified that (1) the door had to be high enough for me to drive in with the kayaks on top of my Accord wagon and (2) there had to be room to store the kayaks above the open garage door. The builder obliged by using scissor trusses in place of standard trusses. Now we could store them 3.5 m to 4 m above the concrete floor. The problem was how how to raise and lower them without dropping them. What I did was to bolt a boat trailer winch to a garage wall stud for each boat and then run two lines for each kayak from the winch through mini blocks and turning blocks (to redirect the lines) up the wall, across the trusses, and down to the kayaks. The smallest available winch has a 275-kg working load and a power ratio of about 60:1. With this setup I can easily raise or lower a 30-kg kayak with one hand. I bought the blocks and line from a marine store. Though it isn't cheap, I trust the strength of sailing hardware and halyard line much more than what can be found in a hardware store. The 3/16-inch (5-mm) line I use is rated for about a 500-kg static load -- more than enough to support half the weight of each kayak. Even the small mini blocks (or is that micro blocks?) I use have a safe working load four times what I am using them for. Be sure to run both lines to the same winch; that way you can raise and lower the forepart and afterpart of the kayak at the same rate and the same time. Chuck Holst *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Tue Sep 07 2004 - 14:32:44 PDT
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