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Old 30-04-2016, 09:24   #31
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Join Date: May 2011
Location: San Francisco and Australia
Boat: Liberty 458
Posts: 1,595
Re: I'm a tiller guy, not a wheel guy. With a tiller, I felt I always had complete...

Originally Posted by AD28 View Post
If you really want to throw money at it, you won't regret going to a Whitlock (now Lewmar) rack-and-pinion system... I believe mine is a Mamba. My example is a cat, but I doubt that matters much. Wheel is lock-to-lock in less than 360 degrees. Simple mechanics. No pumps, no muss, no fuss....
With a rack and pinion your steering ratio is not adjustable. In automotive rack and pinions we can build in a non linear ratio across the rack. That is one of the key reasons they're universal in cars now. I havent seen any marine rack and pinions that are non linear.

You might like to try varying hydraulic displacement, not pressure.

You don't mention what brand or model hydraulic steering you have. It might be cheaper and simpler to start with a variable displacement steering pump. That way you can vary the effective ratio from lock to lock. There will be a sweet spot in terms of ratio that you are looking for.

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