The donor has fail-open safety switches that I'll be using. My plan is to simply wire them in series with the coil circuit so the coils aren't energized.
On Sun, Nov 3, 2013 at 1:39 AM, EVDL Administrator <[email protected]> wrote: > On 2 Nov 2013 at 22:30, Michael K Johnson wrote: > >> I'm going to wire some safety switches in. Including the seat sensor. > > You might want to dig up a Homeowner's Service Manual for a GE Elec-Trac > tractor. They have exactly this safety circuit, and you could no doubt > duplicate it. Page 1-36 of the HOSM describes the circuit and how it works > in the E15 and I think also the E20 model. > > The E8, E10 and ER8-36 design is even simpler, almost absurdly so. It > doesn't lock out the drive motor when you leave the seat - climb back on and > it goes! - but it does drop out the mower motor contactor. The mower > switch is a run/start spring loaded toggle reminiscent of an ICEV's start- > run keyswitch. > > Contact me off list if you want schematic jpegs and/or manual pdfs for any > of these ETs. The copies I have aren't pretty, but they're usable. My > offlist address is here : > > http://www.evdl.org/help/index.html#supt > > David Roden - Akron, Ohio, USA > EVDL Administrator > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > EVDL Information: http://www.evdl.org/help/ > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > Note: mail sent to "evpost" and "etpost" addresses will not > reach me. To send a private message, please obtain my > email address from the webpage http://www.evdl.org/help/ . > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > > _______________________________________________ > 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) > _______________________________________________ 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)
