Re: Welcome Vance

["richard hess" <rohess@hotmail.com>]

>Richard,
>	Will track Trojan down again, thanks.  Arm in the works.  Bob 
>Wicklund (Nekton Beta) and I spent last weekend crawling around on 
Beta.  
>Their arm is sort of an articulated guy (backhoe style) that Doug 
Privitt 
>built years ago.  Won't work exactly on my K but the power plant 
>(HydraPerfect International) is just the deal.  I've been looking for 
one for 
>centuries.  They also use electro-hydraulic spool valves from Womack 
Machine 
>Supply which look to be nearly affordable.  $450 for pp and $82 each 
for the 
>spool valves plus the attendant wiring, connections and supply.  Then 
the 
>arm.  I'm just going to klooge a small telescoping style like the 
early 
>Perry's from some bits and pieces around the garage.  4-function.  
Shoulder 
>left/right & up/down, arm extend and jaws open/close.  Wrist rotate 
function 
>is handy but cumbersome and tends to be heavy so I won't fool with 
it.  I 
>will also have a spare actuator for a collection basket open and 
close 
>piston.  Speaking of pistons, any idea on resources for 1/4" shaft 
short 
>stroke (3 to 6 inch) single and double acting hyd. pistons.  Not the 
pressed 
>together units, but the brass rebuildables.
>Regards,
>Vance






Vance,

On the hydraulics, try contacting the Surplus Center in Lincoln 
Nebraska, 402-474-5167.  They have a catalog with many pages of 
hydraulic cylinders, motors, pumps, filters, powerpacks and much 
more.  All of the items are new (never been used) factory surplus, and 
in very good condition. They probably have what you're looing for.  
The inventory changes from time to time.  The prices are very 
reasonable.  I think they still sell a miniature spool valve assembly.


Richard






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