Cary, it sounds like you worked with EDM systems that were a wee bit bigger than what I/we have made! :) Was the final 1/4 hp pump on those systems a...
Steve, for $100 or less I'm sure I could get a great pump. But why buy when you can spend hours and hours building something that might not work? :) Andy...
andy, the circulator pump steve is talking about (if he and i are talking about the same thing) is a centrifugal pump but its self contained here is a web site...
Vane pumps, like gear pumps, are "positive displacement" type pumps. In other words, for each revolution, the pump should spit out one cubic unit hunk of...
... Ours has 8 bar available at the supply manifold ! Some goes to through flush, obviously through very small pipes, and the excess feeds a suction pump so...
Has anyone looked at automotive fuel pumps? They are pressure regulated (American runs 8 PSI, Foreign runs 4 PSI) and should be immune to petrochemicals. -- ...
david, those pressures are for carburated engines. the newer pump in tank/fuel injected cars are around 40-50 psi. and have a regulator with a return line to...
I finally finished my machine and gave it a quick test burn. I don't have a flush pump set up yet but the arc was smooth and stable. The microwave transformer...
Hi Everybody, I just added 2 pictures of my tank so far. Yesterday I just finished up the filtration system, and just mounted the servo head stanchion to the...
Jim it look really good. I built a similar set up about 1992 but mine had the plate glued in the tank. I can understand the reason for not gluing it and I...
Though I have not tried the combination you describe I have every reason to believe that the 3/8-24 leadscrew should work fine if not let me know. Ben ... ...
I was lucky enough to buy the Beckett pump before it got discontinued, but looking around I also found a pond pump that flows 350 GPM is submersible and has a...
On the left side of that page under pumps I just noticed the next section has pumps in the 500 to 1200 GPH. Looks like very similar pumps in 500, 700, & 950...
I have taken care of this guy and removed him from the list. Ben ... From: Herbert E. Plett To: EDMHomeBuilders@yahoogroups.com Sent: Thursday, May 08, 2008...
As you can see, I am a glutton for punishment ... or at least for doing things the hard way. In earlier posts I showed a home-built dielectric pump....
Hi Everybody, I've just about got the guts inside the case all ready to go. Tonight I'm going to wire up, mount and test the board, before I add the chips and...
I was hoping someone would have gotten back to me before I attempted this, but I have some good news and some bad. The good news is that all the tests went...
Hi, I am new to the group and have purchased a board from Ben and am working up to populating it. Are there any UK builders out there who could point me to...
... Are there any UK builders out there who ... Simplest would be Maplin, http://www.maplin.co.uk but Farnell components are the best. http://www.farnell.co.uk...
I ran the servo motor and checked how much current it draws. It only draws 100 milliamperes and after several minutes the chip only felt slightly warm. But...
Hi Jim I used a piece of cpu type heatsink on top of the chip and held it down with 2 springs. For the bottom heatsink I used a thin strip of copperclad pc...
you certainly got it right with " non-corrosive silicone " and as you say the actual chip is in the centre of the IC package and the rest of the package is...
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