<div dir="ltr">Sorry, meant OBD port under the fuse cover :) <br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, May 15, 2023 at 9:59 AM Jacob Field <<a href="mailto:jacobtimothyfield@gmail.com">jacobtimothyfield@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 dir="auto">The OBD2 port under the hood is the same CAN line that the battery is on, so you should see things there. The CAN line runs at 500kbps, so make sure you've got that set correctly.<br><div dir="auto"><br></div><div dir="auto">The usual tool is the PCAN adapter from PEAK, but I've also used an Arduino and some CAN modules to communicate, which works as long as you know what CAN messages you need to receive and how to interpret them.</div><div dir="auto"><br></div><div>I've used the innertube method before on two Thinks and while it works (and is relatively safe, the innertube experiences less pressure than it would during normal operation in a tire), having a lift would make the job far easier (and yes, safer).<br><br></div><div>- Jacob<br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, May 14, 2023, 10:25 PM Christopher Koch <<a href="mailto:jazzjunkie.chris@gmail.com" target="_blank">jazzjunkie.chris@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="auto"><div>Thanks Kirk, I'll be sure not to miss the next meeting!</div><div dir="auto">It's got about 20 mi of range at best, so I need to arrange a trailer to bring it over to the shop! I live just down the street from Otmar though, so if he's hosting it's no trouble to bring it<br><div dir="auto"><br></div><div dir="auto">I went for it and now I'm the proud owner. I thought I found a CANbus port underneath the Matt in the back of the vehicle (a five pin mini fit jr with one black one white wire) but my oscilloscope couldn't read anything on it so maybe that's not what it's for.</div><div dir="auto"><br></div><div dir="auto">The most I'll do by myself in the short term is maybe take some covers off to see what kind of new connectors I can uncover. OBD2 port on the dashboard doesn't seem to work with my cheap little readers so I don't even know what's going on there.</div><br><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Sun, May 14, 2023, 9:15 PM Kirk Swaney - SHIFT Electric Vehicles LLC <<a href="mailto:kirk@shiftev.com" rel="noreferrer noreferrer" target="_blank">kirk@shiftev.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="auto">Hi Chris,<div dir="auto"><br></div><div dir="auto">This should get you view access to images of a pack I opened up and a sketch diagram. All can feel free to copy.</div><div dir="auto"><br></div><div dir="auto"><a href="https://www.dropbox.com/sh/rlggfb7t2m55gio/AABzUXhJR8BG6Pjbws9x8W80a?dl=0" rel="noreferrer noreferrer noreferrer" target="_blank">https://www.dropbox.com/sh/rlggfb7t2m55gio/AABzUXhJR8BG6Pjbws9x8W80a?dl=0</a></div><div dir="auto"><br></div><div dir="auto">The inner tube plan seems sketchy. If you need to remove a pack, a 2 post lift is best. Maybe on an EV meeting evening my shop is an option. It takes about 30 minutes to safely remove or reinstall that way. </div><div dir="auto"><br></div><div dir="auto">A bigger question is diagnosing what's wrong with the suspect pack. One cell issue or all degraded cells... i have software to see individual cell voltages (without dissassembly). Again, maybe fun at an EV meeting with other smart folks in our group.</div><div dir="auto"><br></div><div dir="auto">Good luck with your purchase decision.</div><div dir="auto"><div dir="auto"><br></div><div dir="auto">Kirk</div></div><div><br></div><div dir="auto" style="font-size:100%;color:rgb(0,0,0)" align="left"><div>-------- Original message --------</div><div>From: Christopher Koch <<a href="mailto:jazzjunkie.chris@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">jazzjunkie.chris@gmail.com</a>> </div><div>Date: 5/14/23 1:14 PM (GMT-08:00) </div><div>To: Kirk Swaney - SHIFT Electric Vehicles LLC <<a href="mailto:kirk@shiftev.com" rel="noreferrer noreferrer noreferrer" target="_blank">kirk@shiftev.com</a>> </div><div>Cc: Jacob Field <<a href="mailto:jacobtimothyfield@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">jacobtimothyfield@gmail.com</a>>, Corvallis EVs <<a href="mailto:caevlist@caevclub.org" rel="noreferrer noreferrer noreferrer" target="_blank">caevlist@caevclub.org</a>> </div><div>Subject: Re: [Caevlist] Cute little EV on Craigslist (2011 Think City) </div><div><br></div></div><div dir="auto">Thanks Kirk, <div dir="auto"><br></div><div dir="auto">Some photos inside the battery would be great! I'm struggling to find even basic information like pack configuration beyond "400V"</div><div dir="auto"><br></div><div dir="auto">That might help with the temptation to drop the battery out without the proper equipment. I found a video where someone put a big inner tube underneath to drop the battery gently but I'm not quite crazy enough to try that yet.</div></div><br><div class="gmail_quote"><div class="gmail_attr" dir="ltr">On Sun, May 14, 2023, 12:05 PM Kirk Swaney - SHIFT Electric Vehicles LLC <<a href="mailto:kirk@shiftev.com" rel="noreferrer noreferrer noreferrer" target="_blank">kirk@shiftev.com</a>> wrote:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote"><div dir="auto">Hi Chris,<div dir="auto"><br></div><div dir="auto">I have serviced a few thinks, owned one, and have pictures of the pack opened up if you want to see what that looks like. It is a compact and well designed pouch cell pack.</div><div><br></div><div style="font-size:100%;color:rgb(0,0,0)" dir="auto" align="left"><div>-------- Original message --------</div><div>From: Christopher Koch <<a rel="noreferrer noreferrer noreferrer noreferrer" href="mailto:jazzjunkie.chris@gmail.com" target="_blank">jazzjunkie.chris@gmail.com</a>> </div><div>Date: 5/10/23 10:08 PM (GMT-08:00) </div><div>To: Jacob Field <<a rel="noreferrer noreferrer noreferrer noreferrer" href="mailto:jacobtimothyfield@gmail.com" target="_blank">jacobtimothyfield@gmail.com</a>> </div><div>Cc: Corvallis EVs <<a rel="noreferrer noreferrer noreferrer noreferrer" href="mailto:caevlist@caevclub.org" target="_blank">caevlist@caevclub.org</a>> </div><div>Subject: Re: [Caevlist] Cute little EV on Craigslist (2011 Think City) </div><div><br></div></div><div dir="auto"><div>Jacob,<div dir="auto"><br></div><div dir="auto">One of my big fears was that this was too obscure to have an enthusiast community, so I'm really glad to hear otherwise!</div><div dir="auto"><br></div><div dir="auto">I hear what you're saying about how tedious an 18650 build would be without some sort of automation; the only reason I would consider it is because I already have so dang many of them! If they aren't a good fit I'll just go with plan A which is use them to make my family a battery backup for their farm house.</div></div><div dir="auto">The 18650s I have are already assembled into little 3S3P submodules so if the stars align and the form factor is a Cinderella fit into the stock envelope that would take a lot of the work out of it. </div><div dir="auto"><br></div><div dir="auto">-Chris<br><br><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Wed, May 10, 2023, 9:52 PM Jacob Field <<a href="mailto:jacobtimothyfield@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">jacobtimothyfield@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="auto">The Think itself is a pretty neat little car. I've got one and love it, and there's a solid little enthusiast community with a lot of knowledge about the inner workings.<div dir="auto"><br></div><div dir="auto">I have all the specifications for the battery pack, as well as information on the CAN protocol it uses to communicate with the car — building a replacement battery pack is certainly within the realm of possibility.</div><div dir="auto"><br></div><div dir="auto">That being said, as someone who's tried building an EV battery out of 18650s, it takes AGES. If I ever upgrade the battery in my Think, it'll be using modules from another wrecked EV.</div><div dir="auto"><br></div><div dir="auto">If you have plenty of time, money, and electrical savvy, I'd say go for it! </div><div dir="auto"><br></div><div dir="auto">- Jacob Field</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 10, 2023, 9:28 PM Christopher Koch <<a href="mailto:jazzjunkie.chris@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">jazzjunkie.chris@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="auto">Hi all,<div dir="auto"><br></div><div dir="auto">I don't want to start a feeding frenzy, but there is a sweet little EV for sale right now with a worn-out battery I'm thinking about buying (as are a lot of other people, according to the seller!)</div><div dir="auto"><br></div><div dir="auto">I'm trying to gauge the depth of what I'm getting myself into if I try to rebuild the battery.</div><div dir="auto">When I was at Arcimoto I was involved with designing their next-generation battery (sadly that project got scrapped) so maybe I'm too cocksure about my abilities.</div><div dir="auto"><br></div><div dir="auto">I have a couple thousand 18650s lying around yearning for a purpose, so there's a lot of hope that I might have what it takes to breathe new life into this thing but I wanted to put it out there for community comment and discussion.</div><div dir="auto"><br></div><div dir="auto">Is this a dream project waiting to happen, or is this 2011 EV from a defunct manufacturer a trap to avoid at all costs?</div><div dir="auto"><br></div>-Chris Koch<br><div dir="auto"><br></div><div dir="auto"><br></div></div>
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