[EVDL] motor controller
Lee, that looks like a Clark/Hyster contactor board fork lifts used in the 60s and 70s .I have a Clark E500 fork lift service manual, It looks the same, The Clark/hyster has field weaking, does this one of yous have that ?. I worked for Clark when I got out of the army in the late 60s , they seemed to think I knew about them LOLOL . thats what I used when I was building my first EVs, bought every motor and contactor board I could find. changed the contactor coils to 12 volt, most were 36,48 volt .you could do that back then, even change the tips when they wore out, I always put the silver tips on the contactors, they lasted 4 times as long. -- next part -- An HTML attachment was scrubbed... URL: http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140717/49a83656/attachment.htm ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] motor controller
Electric Blue auto convertions via EV wrote: Lee, that looks like a Clark/Hyster contactor board fork lifts used in the 60s and 70s. I have a Clark E500 fork lift service manual, It looks the same, The Clark/hyster has field weaking, The Henneys were built in 1959. Only about 100 were made, but it was a very influential EV. As a car, the Renault was a pile of sh... well, you know. But its performance and use of silicon diodes was revolutionary, and every engineer knew all about it. My guess is that Clark/Hyster copied the Henney's controller, rather than the other way around. The Henney's definitely had a hand-made first-prototype look to it, and there were no Clark labels on it. I changed the contactor coils to 12 volt, most were 36-48 volt. You could do that back then, even change the tips when they wore out, I always put the silver tips on the contactors, they lasted 4 times as long. Yep! I liked those old contactors. *Anything* could be changed or fixed. I rebuilt worn-out surplus ones for my first EV. I filed off the burned contacts and silver-soldered dimes to them (of course, dimes were actually made of silver back then)! :-) -- An engineer can do for a nickel what any damn fool can do for a dollar. -- Henry Ford -- Lee Hart's EV projects are at http://www.sunrise-ev.com/LeesEVs.htm ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] motor controller
Dear Friends on the EVDL, I feel you represent the BEST in an active group of individuals with positive interest in Electric Vehicles. I would ask you a small favor, It is related to my promotion of my educational attempts to train many more mechanics and enthusiasts in the technology of Electric Vehicles. I have noticed that most of you are very literate, and my request is, *for those who have the spare time*, to view the Presentation I have been working on for several days and have now posted on youtube (link http://youtu.be/*_*DetP2Q1BYc http://youtu.be/_DetP2Q1BYc ) I ask you *only* to critique the slide presentation. And reply directly to me ( EVprofessor *AT* EVprofessor* DOT* com ) with you suggestions for improvement. I know that several words are misspelled (Such as OR in place of FOR.) I also have a tendency to make very long sentences. If you feel strongly, about the text, I can send you the text, 575 words, for your perusal. Which I composed and converted to slides for presentation. I welcome any positive criticism. I realize that the topic of my presentation is not EVs, but Technical training about the technology used in EV and I beg your indulgence, for this intrusion. With Thanks in advance and Regards, Dennis Lee Miles (EVprofessor) *Founder:**EV Tech. Institute Inc.** (www.evti.org http://www.evti.org) * *E-Mail:* *evprofes...@evprofessor.com* evprofes...@evprofessor.com *Phone #* *(863) 944-9913* in Central Florida (Office hours: 12:00 Noon to 10:00 pm, New York time) On Thu, Jul 17, 2014 at 10:14 AM, Electric Blue auto convertions via EV ev@lists.evdl.org wrote: Lee, that looks like a Clark/Hyster contactor board fork lifts used in the 60s and 70s .I have a Clark E500 fork lift service manual, It looks the same, The Clark/hyster has field weaking, does this one of yous have that ?. I worked for Clark when I got out of the army in the late 60s , they seemed to think I knew about them LOLOL . thats what I used when I was building my first EVs, bought every motor and contactor board I could find. changed the contactor coils to 12 volt, most were 36,48 volt .you could do that back then, even change the tips when they wore out, I always put the silver tips on the contactors, they lasted 4 times as long. -- next part -- An HTML attachment was scrubbed... URL: http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140717/49a83656/attachment.htm ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA ( http://groups.yahoo.com/group/NEDRA) -- next part -- An HTML attachment was scrubbed... URL: http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140717/f3425169/attachment.htm ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] motor controller
Happy to help but the video is private. You can make it public but not published so that we can see it but it won't show up to random youtube browsers. --Rick On 7/17/2014 4:20 PM, Dennis Miles via EV wrote: Dear Friends on the EVDL, I feel you represent the BEST in an active group of individuals with positive interest in Electric Vehicles. I would ask you a small favor, It is related to my promotion of my educational attempts to train many more mechanics and enthusiasts in the technology of Electric Vehicles. I have noticed that most of you are very literate, and my request is, *for those who have the spare time*, to view the Presentation I have been working on for several days and have now posted on youtube (link http://youtu.be/*_*DetP2Q1BYc http://youtu.be/_DetP2Q1BYc ) I ask you *only* to critique the slide presentation. And reply directly to me ( EVprofessor *AT* EVprofessor* DOT* com ) with you suggestions for improvement. I know that several words are misspelled (Such as OR in place of FOR.) I also have a tendency to make very long sentences. If you feel strongly, about the text, I can send you the text, 575 words, for your perusal. Which I composed and converted to slides for presentation. I welcome any positive criticism. I realize that the topic of my presentation is not EVs, but Technical training about the technology used in EV and I beg your indulgence, for this intrusion. With Thanks in advance and Regards, Dennis Lee Miles (EVprofessor) *Founder:**EV Tech. Institute Inc.** (www.evti.org http://www.evti.org) * *E-Mail:* *evprofes...@evprofessor.com* evprofes...@evprofessor.com ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
