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Hynautic Helm Pump

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Old 03-21-2011, 10:20 PM
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Default Hynautic Helm Pump

Hynautic H-21 helm pump.
$150/offer

http://www.go2marine.com/product.do?no=81264F



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Old 03-22-2011, 09:55 AM
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Would this be for a single ram (single engine) or twins? What would be required in addition to this helm pump to convert a boat that has "hynautic" (cable to transom, then hydraulic assist) to full hydraulic?
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Old 03-22-2011, 10:50 AM
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You would need external rams, Pressure Reservoir, relief valve or a Hynautic Reservalve that combines both. You can find them on ebay or I have seen a couple in the OSO swap.
http://teleflex.ru/upload/files/cata...d-Hynautic.pdf
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Old 03-22-2011, 11:05 AM
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So if the boat already has external rams fed by the power steering pump, would you eliminate the power steering pump in a full hydraulic system? In other words, you turn the drives by hydraulic pressure without using a mechanical pump to assist you?

Sorry for the dumb questions.
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Old 03-22-2011, 11:46 AM
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Quote:
Originally Posted by dba900 View Post
Sorry for the dumb questions.
No dumb questions. The helm is an actual displacement pump (I think it is ~1000PSI). You disconnect your steering pump and cylinder from the back and plumb directly to the cylinder with the Reservalve in place. These are used more in outboard application then I/O cause they lack the power steering pump. I did have it on my I/O though.
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Old 03-24-2011, 07:43 AM
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Ttt
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Old 03-26-2011, 12:35 PM
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TTT
offers?
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Old 12-21-2011, 04:49 PM
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is the h-21 pump still available from rookie? Thks!
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Old 12-21-2011, 07:03 PM
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Yes, pretty sure it is still sitting out at my shop.
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