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Old 26-04-2015, 23:52   #1
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hydraulic steering

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ID:	101009rebuilding a randell 60 . twin engine , it had a power steering pump for the helm running off belts , question ,,,,i have hydraulic gearboxes why cant i get oil under pressure from one of them to run my steering ?
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Old 05-05-2015, 18:49   #2
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Re: hydraulic steering

I think there isn't enough volume and adequate pressure to run both prop and steering, off a Gearbox pump. Sounds possible though.


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Old 05-05-2015, 18:50   #3
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Re: hydraulic steering

You'd need to tap a Main pressure circuit.


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Old 05-05-2015, 19:21   #4
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Re: hydraulic steering

Ideally,power steering needs a "constant" volume pump.This ensures your hard over time is same at engine idle as at full RPM.The common constant volume pump used in my area is a Vickers 10gpm with a "throttle"plate in it,cutting it back to a constant 5gpm @ 800-1000PSI
Not saying you need 5gpm for your ram setup,but a constant vol.is preferable.
Another consideration is hyd.oil heating-common with power steering-it runs constantly.Temp. control is either a large reservoir (5-10gal tank) or a heat exchanger of some kind.
Just some things to be aware of before tapping your clutch hydraulics.
What is wrong with existing belt driven setup?
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