Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!jarthur!ucivax!orion.oac.uci.edu!ucsd!nosc!crash!ncr-sd!sagpd1!monty From: monty@sagpd1 Newsgroups: comp.robotics Subject: Re: Parts for Bots Message-ID: <1991Apr23.154713.23831@sagpd1> Date: 23 Apr 91 15:47:13 GMT References: <1991Apr18.220218.2708@midway.uchicago.edu> Reply-To: monty@sagpd1.UUCP (Monty Saine) Distribution: usa Organization: Scientific Atlanta, Government Products Div, San Diego, CA Lines: 17 In article <1991Apr18.220218.2708@midway.uchicago.edu> you write: > o Two rigid loops of metal 14" inner diameter to use as the base > for a rigid bumper. The bumper must be rigid (or at least nearly > non-compressable) because we plan to mount some pressure sensors > on the inside (so that the robot can tell when its hit something > and how much pressure its exerting on it -- the latter presumably Try looking at the ring that goes around the legs of many Lab stools. although, they may be to large. Also look in some of the Lamp stores around, they tend to have a great deal of wierd shapes around. If you have access to a shop that has a tubing bender maybe you could form your own using Electrical conduit (EMT pipe). A hand bender may work with a lot of patience. Monty Saine