Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Lee Hart via EV
Willie via EV wrote: I once blew a main fuse on my conversion. Didn't find any obvious problems, replaced the fuse and never had more trouble with it. Fuses are indeed affected by age, vibration, environment, and temperature. So it could be just that the fuse got old and tired. :-) They

Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Lee Hart via EV
Jay Summet via EV wrote: When I ran the motor off a 12 volt battery it was fine. Aha; that's good! I'll try installing a spare fuse and see what happens after I put things back together. A fuse is just a piece of wire, carefully chosen to melt if you exceed a certain current. So you can

Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Jay Summet via EV
On 12/31/2016 02:22 PM, Willie wrote: On 12/31/2016 12:48 PM, Jay Summet via EV wrote: When I ran the motor off a 12 volt battery it was fine. I'll try installing a spare fuse and see what happens after I put things back together. I once blew a main fuse on my conversion. Didn't find

Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Willie via EV
On 12/31/2016 12:48 PM, Jay Summet via EV wrote: When I ran the motor off a 12 volt battery it was fine. I'll try installing a spare fuse and see what happens after I put things back together. I once blew a main fuse on my conversion. Didn't find any obvious problems, replaced the fuse

Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Jay Summet via EV
When I ran the motor off a 12 volt battery it was fine. I'll try installing a spare fuse and see what happens after I put things back together. Jay On 12/27/2016 02:42 PM, EVDL Administrator via EV wrote: On 27 Dec 2016 at 14:31, Jay Summet via EV wrote: I really don't want to test by

Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Jay Summet via EV
Thanks. I've ran it with a 12 volt battery and it sounds great, no visible arcing, etc. So I still don't have a definitive reason why my HV Fuse blew. I also didn't find any frayed insulation. I did find a slightly bad connection inside an Anderson connector, but that would have increased

Re: [EVDL] Son sues Tesla after X crashes @full power on its own into his living room

2016-12-31 Thread Cruisin via EV
Foot on the wrong pedal, should have drivers license taken away for life. Son has a mental problem. -- View this message in context: http://electric-vehicle-discussion-list.413529.n4.nabble.com/Son-sues-Tesla-after-X-crashes-full-power-on-its-own-into-his-living-room-tp4685157p4685165.html Sent

Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Lee Hart via EV
Jay Summet via EV wrote: As I rotate the shaft by hand, the ohm meter goes negative (I assume due to current/voltage being generated by the motion.) Correct. There is always a little residual magnetism in the field, so moving the motor will generate a voltage. This messes up any readings you

Re: [EVDL] Shorted FB1-4001A DC motor?

2016-12-31 Thread Jay Summet via EV
On 12/30/2016 12:32 AM, Roland wrote: Hello Jay, Another test you can do, is take a ohm reading at the motor terminals. Rotate the motor by hand and see if the meter shows a pulse as it rotating. As I rotate the shaft by hand, the ohm meter goes negative (I assume due to current/voltage

[EVDL] EVLN: EV-newswire posts for 20161231

2016-12-31 Thread brucedp5 via EV
' living room ... http://evdl.org/evln/ For all EVLN EV-newswire posts {brucedp.neocities.org} -- View this message in context: http://electric-vehicle-discussion-list.413529.n4.nabble.com/EVLN-EV-newswire-posts-for-20161231-tp4685162.html Sent from the Electric Vehicle Discussion List