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Forum: Engines and Propulsion Systems 03-09-2018, 07:50
Replies: 20
Views: 4,010
Posted By owly
Re: multi purpose diesel / hydraulic propulsion

I have a great deal of experience with variable displacement systems both hydrostatic such as you describe, and pressure compensated closed center. They are fairly efficient systems, and an elegant...
Forum: Engines and Propulsion Systems 02-09-2018, 16:57
Replies: 20
Views: 4,010
Posted By owly
Re: multi purpose diesel / hydraulic propulsion

I'm well aware of the older systems, though I've not seen one. This is a similar application. Direct drive diesel is completely out of the question here. The only alternative is two...
Forum: Engines and Propulsion Systems 02-09-2018, 13:43
Replies: 20
Views: 4,010
Posted By owly
Re: multi purpose diesel / hydraulic propulsion

Thanks........ Details on the drive system would be appreciated. Does the outboard leg system make sense to you?. A prop shaft in the hull does not work for the design I have in mind.


...
Forum: Engines and Propulsion Systems 02-09-2018, 12:31
Replies: 20
Views: 4,010
Posted By owly
Re: multi purpose diesel / hydraulic propulsion

To put this thread in context, I posted it on the Multihull forum originally. My idea was to use it for a small voyaging catamaran. Not a heavy monohull or a "condo cat". A light ply or foam...
Forum: Engines and Propulsion Systems 01-09-2018, 11:38
Replies: 20
Views: 4,010
Posted By owly
multi purpose diesel / hydraulic propulsion

In a SAILboat, the idea of a prop shaft and prop, even a folding one sticking out there seems silly. The alternative generally being an outboard.


Diesel hydraulic has been discussed...
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