[quote=samc99us]The urethane doesn't really auto lock and needs replacement every 2-3 years as it breaks down. They do work pretty well other than those limits.
The Murrays solution looks like it would develop slop over time.
Adjust-ability is nice but I'm not sure the hobie setup fits your boat.
What I have done on my latest setup is copy the Goodall system with McMaster-Carr eyes and machined delrin end fittings for the crossbar.[/quote]
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