http://groups.yahoo.com/group/SeattleRobotics/ The Seattle Robotics Society Tue, 21 May 2013 15:23:40 GMT fred miller http://groups.yahoo.com/group/SeattleRobotics/message/47779 http://groups.yahoo.com/group/SeattleRobotics/message/47779 on wireless it wont work in caves or underwater,bluetooth or wifi   You need a onboard computer or cpu with a good navigation program.   On robot bases a Tue, 21 May 2013 01:40:25 GMT Kevin Ross http://groups.yahoo.com/group/SeattleRobotics/message/47778 http://groups.yahoo.com/group/SeattleRobotics/message/47778 Compressor duty cycles are often times specified in 10 minute intervals or in 1 hour intervals. You need to check with the specific model you are looking to Tue, 21 May 2013 01:39:36 GMT Kevin Ross http://groups.yahoo.com/group/SeattleRobotics/message/47777 http://groups.yahoo.com/group/SeattleRobotics/message/47777 Compressor duty cycles are often times specified in 10 minute intervals or in 1 hour intervals. You need to check with the specific model you are looking to Tue, 21 May 2013 01:01:36 GMT http://groups.yahoo.com/group/SeattleRobotics/message/47776 http://groups.yahoo.com/group/SeattleRobotics/message/47776 Reminder from: SeattleRobotics Yahoo! Group http://groups.yahoo.com/group/SeattleRobotics/cal Monday Night Chat Monday May 20, 2013 7:00 pm - 9:00 pm Mon, 20 May 2013 18:09:32 GMT robotMaker http://groups.yahoo.com/group/SeattleRobotics/message/47775 http://groups.yahoo.com/group/SeattleRobotics/message/47775 Is this a nature project? Wire controlled because RF does not work in the cave? How far do you need to go into the cave? Cesar ________________________________ Mon, 20 May 2013 16:30:13 GMT Howard http://groups.yahoo.com/group/SeattleRobotics/message/47774 http://groups.yahoo.com/group/SeattleRobotics/message/47774 I want to build a tracked robot, sort of like a tank, to explore or search in caves. It needs to wire controlled. Does anyone know where I can buy kits, Mon, 20 May 2013 14:01:19 GMT http://groups.yahoo.com/group/SeattleRobotics/message/47773 http://groups.yahoo.com/group/SeattleRobotics/message/47773 Reminder from: SeattleRobotics Yahoo! Group http://groups.yahoo.com/group/SeattleRobotics/cal Monday Night Chat Monday May 20, 2013 7:00 pm - 9:00 pm Sun, 19 May 2013 23:37:09 GMT Mark Kenworthy http://groups.yahoo.com/group/SeattleRobotics/message/47772 http://groups.yahoo.com/group/SeattleRobotics/message/47772 That should be “any other type that is rated for continuous service”. Our rotary screw compressor has two operational modes. One where it just runs Sun, 19 May 2013 15:12:31 GMT mark@... http://groups.yahoo.com/group/SeattleRobotics/message/47771 http://groups.yahoo.com/group/SeattleRobotics/message/47771 Rotary screw type compressors are designed to run continuously. I don't know of any type designed for continuous service. Connected by DROID on Verizon Sun, 19 May 2013 13:50:59 GMT Peter Balch http://groups.yahoo.com/group/SeattleRobotics/message/47770 http://groups.yahoo.com/group/SeattleRobotics/message/47770 Thanks Kevin. I think I'm beginning to understand what we need to buy but the valves are still a mystery. If I want active retraction of the cylinder (i.e. a Sun, 19 May 2013 05:25:53 GMT Kevin Ross http://groups.yahoo.com/group/SeattleRobotics/message/47769 http://groups.yahoo.com/group/SeattleRobotics/message/47769 Compressor duty cycles are often times specified in 10 minute intervals or in 1 hour intervals. You need to check with the specific model you are looking to Fri, 17 May 2013 20:08:51 GMT ListServ http://groups.yahoo.com/group/SeattleRobotics/message/47768 http://groups.yahoo.com/group/SeattleRobotics/message/47768 Clippard has a pretty complete product line, and some good documentation on pneumatics. Look at their knowledge base and catalog for what is possible. Fri, 17 May 2013 18:44:00 GMT Peter Balch http://groups.yahoo.com/group/SeattleRobotics/message/47767 http://groups.yahoo.com/group/SeattleRobotics/message/47767 Kevin ... I was expecting to use a 10-to-1 lever so the piston has to lift 100kg over a distance of 10cm. ... Maybe. But the piston would be under load (100kg) Fri, 17 May 2013 18:17:14 GMT Peter Balch http://groups.yahoo.com/group/SeattleRobotics/message/47766 http://groups.yahoo.com/group/SeattleRobotics/message/47766 Charlie ... I think that it would be too slow for this particular project. They seem to take tens of seconds to extend. But I could imagine it being a useful Fri, 17 May 2013 17:01:37 GMT http://groups.yahoo.com/group/SeattleRobotics/message/47765 http://groups.yahoo.com/group/SeattleRobotics/message/47765 Reminder from: SeattleRobotics Yahoo! Group http://groups.yahoo.com/group/SeattleRobotics/cal Our Monthly Meeting Saturday May 18, 2013 10:00 am - 12:00 pm