there were hydraulic milling machines sold based on Moog hydraulics
and Bridgeport iron.  I assume those two companies could screw things
up, but the world has moved on.  To move a long distance takes a lot
of power.  Small movements with a lot of force behind them are really
easy, that's why you see fatigue machines and other shorter stroke
machines with hydraulic servo.

On Sun, Nov 8, 2015 at 9:16 PM, andy pugh <bodge...@gmail.com> wrote:
> On 9 November 2015 at 01:38, linden <l...@island.net> wrote:
>> Not sure how well the 24volt 5 way
>> valves i have will put up with constant motion and at what speed.
>
> You need proportional valves ("Moog Valves")
>
> A hydraulic system could be excellent, but I see no way at all to do
> it cheaply.
>
>
> --
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
>
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Presto, an open source distributed SQL query engine for big data, initially
developed by Facebook, enables you to easily query your data on Hadoop in a 
more interactive manner. Teradata is also now providing full enterprise
support for Presto. Download a free open source copy now.
http://pubads.g.doubleclick.net/gampad/clk?id=250295911&iu=/4140
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