<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div class="" style=""><span class="" style="">Hank,</span></div><div class="" style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="" style="">Firstly I'm just learning about this stuff.</span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class=""><span class="" style="">I came across these control valves that looked reasonably priced.</span></div><div style="background-color: transparent;" class=""><span class="" style=""><a
href="http://www.northerntool.com/shop/tools/category_hydraulics+hydraulic-valves+control-valves" class="" style="">Directional Hydraulic Control Valves | Hydraulic Control Valves | Hydraulics | Northern Tool + Equipment</a><br class="" style=""></span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">With the convertible pump idea you would save space around the pilot control area by having small electric</div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">switches instead of large valves, but wouldn't you lose the ability to slow the movement down. It would</div><div style="color: rgb(0, 0, 0); font-size:
13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">just be an on / off jerky movement.</div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">They do have <span style="font-size: 10pt;" class="">reasonably priced </span><span style="background-color: transparent;" class="">solenoids on this site with "soft shift" which I presume means a degree of</span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class=""><span style="background-color: transparent;" class="">control rather than
full on / full off.</span></div><div style="background-color: transparent;" class=""><span style="background-color: transparent;" class=""><a href="http://www.northerntool.com/shop/tools/category_hydraulics+hydraulic-valves+power-solenoid" class="" style="">http://www.northerntool.com/shop/tools/category_hydraulics+hydraulic-valves+power-solenoid</a><br class="" style=""></span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">For $139- per degree of movement plus the price of one power unit, (round $500-) you could have electric control.</div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">Power
units-</div><div style="background-color: transparent;" class=""><a href="http://www.northerntool.com/shop/tools/category_hydraulics+hydraulic-power-units" class="">http://www.northerntool.com/shop/tools/category_hydraulics+hydraulic-power-units</a><br></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">Alan</div><div class="" style=""> </div><div style="width:450px; font-family: 'Georgia', 'Times', 'Times New Roman', 'serif';" contenteditable="false" id="enhancrCard_0" class=""><table class="" cellspacing="0" cellpadding="0" style="width:450px; height:170px; position: relative; margin-top:5px; margin-bottom: 5px; display: block;"><tbody class="" style=""><tr class="" style=""><td colspan="6" class="" style="height: 1px; background-color: #e5e5e5;"><div class="" style="height:
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font-size: 10pt;" class=""> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;" class=""> <div dir="ltr" class="" style=""> <hr size="1" class="" style=""> <font size="2" face="Arial" class="" style=""> <b class="" style=""><span style="font-weight:bold;" class="">From:</span></b> Hugh Fulton via Personal_Submersibles <personal_submersibles@psubs.org><br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">To:</span></b> 'Personal Submersibles General Discussion' <personal_submersibles@psubs.org> <br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">Sent:</span></b> Friday, May 30, 2014 8:36 AM<br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">Subject:</span></b> Re: [PSUBS-MAILIST] Manipulator arm<br class="" style=""> </font> </div> <div class="" style=""><br class=""
style="">Hank,<br clear="none" class="" style="">That seems like very good advice. I am wanting to do a manipulator but need<br clear="none" class="" style="">to get some idea of what lifting or forces are required.<br clear="none" class="" style="">What are the pumps you have found to work best. What pressure do they<br clear="none" class="" style="">develop? I had no idea what a top pump was so googled it and came up with<br clear="none" class="" style="">breast pumps!! I didn't want to make a tit of myself so chased down some<br clear="none" class="" style="">more and found that they are for convertible cars. They look a bit on the<br clear="none" class="" style="">large side diameter wise. Any brand best? Cheers, Hugh <br clear="none" class="" style=""><br clear="none" class="" style=""><br clear="none" class="" style="">-----Original Message-----<br clear="none" class="" style="">From: Personal_Submersibles [mailto:<a
shape="rect" ymailto="mailto:personal_submersibles-bounces@psubs.org" href="mailto:personal_submersibles-bounces@psubs.org" class="" style="">personal_submersibles-bounces@psubs.org</a>]<br clear="none" class="" style="">On Behalf Of hank pronk via Personal_Submersibles<br clear="none" class="" style="">Sent: Friday, 30 May 2014 12:21 a.m.<br clear="none" class="" style="">To: Personal Submersibles General Discussion<br clear="none" class="" style="">Subject: Re: [PSUBS-MAILIST] Manipulator arm<br clear="none" class="" style=""><br clear="none" class="" style="">Scott,<br clear="none" class="" style="">No matter how you do it, a manipulator will cost some of money. I have made<br clear="none" class="" style="">many and the tendency seems to be, to try and make them strong to lift a<br clear="none" class="" style="">lot. Well first off, I think it was Vance that said it best. A manipulator<br clear="none" class="" style="">is for
manipulating not lifting. With that in mind, large components are<br clear="none" class="" style="">not needed. Simple air cylinders from ebay are all that is needed. A 2in<br clear="none" class="" style="">bore and depending on manip design, 4in stroke, maybe as much as 6in stroke<br clear="none" class="" style="">is all you need. Keep the rod size small at 5/8, that reduces the back<br clear="none" class="" style="">pressure. I have said it before, I love convertible top pumps. Consider<br clear="none" class="" style="">using one pump per function again purchase from ebay for 125 bucks. No need<br clear="none" class="" style="">for valves, the pump simply runs in reverse to change direction of the<br clear="none" class="" style="">piston. Keep the pumps inside the sub and it is real simple. As for the arm<br clear="none" class="" style="">itself, if have made them from cardboard first. You
can mock it up that way<br clear="none" class="" style="">and find the best pin locations for the cylinders and ensure the cylinders<br clear="none" class="" style="">stroke properly without over centering. You can build the arm with square<br clear="none" class="" style="">tubing, use 3 inch aluminum so the cylinders fit inside when the arm is<br clear="none" class="" style="">folded up. Forget about a wrist until you have lots of time to play around.<br clear="none" class="" style="">Four functions will serve a psubber well and can be built for under 1,000<br clear="none" class="" style="">dollars. I can send you a convertible top pump to play with if you like.<br clear="none" class="" style="">Hank<br clear="none" class="" style="">--------------------------------------------<br clear="none" class="" style="">On Wed, 5/28/14, swaters via Personal_Submersibles<br clear="none" class="" style=""><<a shape="rect"
ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org" class="" style="">personal_submersibles@psubs.org</a>> wrote:<br clear="none" class="" style=""><br clear="none" class="" style=""> Subject: [PSUBS-MAILIST] Manipulator arm<br clear="none" class="" style=""> To: <a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org" class="" style="">personal_submersibles@psubs.org</a><br clear="none" class="" style=""> Received: Wednesday, May 28, 2014, 9:31 PM<br clear="none" class="" style=""> <br clear="none" class="" style=""> Hey guys. I am<br clear="none" class="" style=""> still working on the manipulator arm project for the K boats. I am a<br clear="none" class="" style="">little overwhelmed as to what direction to head. I really don't know where<br clear="none" class="" style="">to start because of my lack of knolwedge. Does anyone have any
pointers as<br clear="none" class="" style="">to where to start? I am thinking about using electric motors rather than<br clear="none" class="" style="">hydrolics just because of the amount of external operating<br clear="none" class="" style="">peices. Thanks,Scott Waters<br clear="none" class="" style=""> <br clear="none" class="" style=""> <br clear="none" class="" style=""> <br clear="none" class="" style=""> Sent<br clear="none" class="" style=""> from my U.S. Cellular© Smartphone<br clear="none" class="" style=""> <br clear="none" class="" style=""> -----Inline Attachment Follows-----<br clear="none" class="" style=""> <br clear="none" class="" style=""> _______________________________________________<br clear="none" class="" style=""> Personal_Submersibles mailing list<br clear="none" class="" style=""> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org"
class="" style="">Personal_Submersibles@psubs.org</a><br clear="none" class="" style=""> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" class="" style="">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none" class="" style=""> <br clear="none" class="" style=""><br clear="none" class="" style="">_______________________________________________<br clear="none" class="" style="">Personal_Submersibles mailing list<br clear="none" class="" style=""><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org" class="" style="">Personal_Submersibles@psubs.org</a><br clear="none" class="" style=""><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" class="" style="">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none" class="" style=""> <br
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