<div dir="ltr"><br><div class="gmail_quote">The version of this that has the manual as an attachment is held up in moderation, so:<br><br><div dir="ltr"><div dir="ltr"><br></div><div>Due to the height of competition season for my high school teams, I haven't really had time for more than a cursory look at the PATs. Hopefully I can report out a bit more this evening after we've had a couple of co-conspirators over to take a look. Preliminary review shows:<br><ul><li>The lids are off of some of the robots, but they each have one.</li><li>I did NOT notice any obvious signs of water damage. No sign of extreme exposure to the elements. All chassis have signs of collision, but the structure seems solid and aligned on all of them.</li><li>There are two 8 element sonar arrays on each robot</li><li>As expected, none of the arrays are undamaged. A couple of them have mangled housings, some are missing a sensor or two, many of the sensors look damaged. I would guess at least 8 sensors are recoverable/usable per robot and that if somebody in the group-buy ends up with less than that, others more fortunate should be willing to contribute one or two. Hopefully David can tell us if they are replaceable with modern versions of the sensors.</li><li>Each array has its own local driver board. Didn't notice obvious damage to those that I've seen, and I've mostly seen the ones from the most damaged arrays.<br></li><li>Each differential pair of wheels is belted together for common rotation - they can't rotate independently.</li><li>The belts are high quality and appear to be in good shape - though I haven't opened up all the robots.</li><li>Each differential pair of wheels is driven by two motors engaged with the same belt. One motor of each pair has a shaft encoder on it.</li><li>The motors are pretty beefy by club standards.</li><li>The robot can be pushed around pretty freely - none of the transmissions appear to be locked up.</li><li>I have not yet tried to power the robots or even the motors independently. </li><li>These are 12 volt systems with 3 bays for 9ah SLA batteries.</li><li>The batteries are supposed to be hot-swappable assuming we can find or adapt compatible terminals on new batteries.</li><li>The built-in chargers, assuming they still work, would only be compatible with lead-acid chemistry.</li><li>We should expect a significant number of variances from the only manual I could find (see below) since it documents a later version of the platform.</li><li>None of the robots have the bumper options installed</li><li>Again, <a href="https://hackaday.io/project/175890-fixing-up-an-old-pioneer-3-dx" target="_blank">here is the hackaday restoration page for a lower end model</a></li><li><a href="https://data2.manualslib.com/pdf7/144/14374/1437347-omron_adept_mobilerobots/pioneer_3.pdf?133d45e569bf1c7561cbc006f686721d">Here is a link to a later version of the P3AT manual</a></li></ul></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Feb 3, 2022 at 12:45 AM Karim Virani <<a href="mailto:pondersome64@gmail.com" target="_blank">pondersome64@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><ul><li>This was "Cheap Robotics Platform", but I've renamed it since they didn't turn out so cheap.</li><li>The robots finally arrived early today/yesterday, but I haven't had a chance to do anything but the most cursory look over. Scroll down to see a picture of the 6-pack.</li><li>These have a very sturdy/rigid chassis - high quality build</li><li>Despite that, there is some obvious damage to a couple of them, typically concentrated on the delicate sonar arrays. There might be some locked-up gearheads too.</li><li>There are varying degrees of customization. For example, one has an emergency shutoff switch added. Another has some external framework attached to it. These modifications seem relatively minor.</li><li>One of them has thinner solid rubber wheels more suitable for indoor usage.</li><li>Since the roads will be icy for the next few days, we are probably looking at Sunday for earliest access.</li><li>In terms of choice, I'm taking my pick of the litter and then choice will be ordered by who paid the most and within each $100 tier who paid earliest. But I may have to skip over some folks choice wise if you are not available to review in the established order.</li><li>If I haven't committed to offering somebody an "early bird" price, then consider the minimum price to be $500. Feel free to offer more to secure an earlier pick. </li><li>I haven't even had a chance to go back and look at those prior commitments. I'm pretty sure I received money for 2 robots already and I'll review that before Saturday. If you sent money already but are not happy with the picking-order described, I'm good with refunding and letting somebody else step in. There are others who have made firm offers at the $500 level but I've held off taking payment pending the shipping uncertainties. Again, it will go in order of who offered the most first and I'll go over the whole email history of this conversation including the private messages to establish that order.</li><li>If they don't all get snapped up by DPRG'rs, don't worry, I'm sure I'll find other takers. </li><li>We could do a group review of the robots Sunday afternoon or we could set up individual appointments. I'm open to suggestions. Look up Iron Reign Robotics on google maps to see where we are if you want to see them in-person. Masking required.</li></ul></div><div><img src="cid:ii_kz6m30jw1" alt="pioneer3at6pack.jpg" width="542" height="215"><br></div></div>
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