Re: [EVDL] Tesla with auto pilot predicts accident.

I don’t think there was a ‘prediction’ as in the future tense. The radar saw the other car(s) start to slow and applied the brakes, I don’t think the red car even put it’s breaks on. Also the Tesla driver had sufficient spacing to react safely. It’s interesting so speculate what the driver

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

On 12/27/2016 05:55 PM, EVDL Administrator via EV wrote: On 27 Dec 2016 at 16:41, Jay Summet via EV wrote: I used a 18 ga lamp cord in place of the fuse and tried to spin the motor in neutral. Try a larger wire. Remember that 1400+ amp starting surge. You might also try "pre-spinning"

[EVDL] Tesla with auto pilot predicts accident.

I thought it was amazing that the software predicted the accident of another auto.  Lawrence RhodesHans Noordsij on Twitter | | | | || | | | || Hans Noordsij on Twitter “@elonmusk Finally the right one. https://t.co/2fspGMUoWf” | | | |

Re: [EVDL] Used Volt packs, Leaf battery pack connector

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Re: [EVDL] Leaf battery pack connector

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Re: [EVDL] Leaf battery pack connector

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Re: [EVDL] Tesla autopilot accident detection

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

Two questions - can you move (push) the vehicle while in gear (to make sure the motor is not stuck) - did you blow the wire when powering the controller or were you applying 12V directly to the motor? Note that sometimes something can be thrown up from the street and enter the motor, possibly

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

I would tow it home then open the brush box and flush it with clean water and check for foreign objects. Maybe someone who has done it can comment but I would use a smallish 12v battery to spin up the motor unloaded and see what happens. I believe DC motor controllers often fail shorted so

[EVDL] Tesla autopilot accident detection

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

On 27 Dec 2016 at 16:41, Jay Summet via EV wrote: > I used a 18 ga lamp cord in place of the fuse and tried to spin the > motor in neutral. Try a larger wire. Remember that 1400+ amp starting surge. You might also try "pre-spinning" the motor to reduce the starting surge. I wouldn't give

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

I have a similarly sized GE motor, and it takes about 30 amps to run with no load. However, it overheats my 30 amp power supply if used for too long, and the motor needs about 50 amps to start turning. You can start them with a 12v battery in parallel with the power supply for a few seconds if

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

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'm a little hesitant to suggest this since there's some hazard from molten copper snot if it lets go, but you might try replacing the fuse with a small- gauge copper wire -- maybe #16

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

On 27 Dec 2016 at 14:31, Jay Summet via EV wrote: > I really don't want to test by blowing another fuse if there is a > cheaper alternative I hear you there! That's why I recommend a circuit breaker instead of a fuse, or at least in addition to the (higher current rated) fuse. I'm a little

Re: [EVDL] Testing Curtis controller on side of road?

On 27 Dec 2016 at 13:06, Jay Summet via EV wrote: > Unfortunately, this probably means I have a motor short It measured 0.1 > ohms, which seems a bit too low for an FB1-4001A. Don't assume the worst yet! I've never actually measured the armature resistance of a series motor, but that

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

Hurm, that is interesting. I figured the 0.1 ohm was way too low, but if that is in the generally correct range there is a possibility that it was just a bad fusebut I really don't want to test by blowing another fuse if there is a cheaper alternative ;> How many amps do you think I should

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

I'm pretty sure terminal resistance is supposed to be 0.03 ohms so a normal ohmmeter won't tell you much... How about spin the motor in neutral with a (fused) 12V battery? Any signs of arcing on the commutator? -Ben On Dec 27, 2016, at 1:13 PM, Jay Summet via EV wrote: >

[EVDL] Shorted FB1-4001A DC motor?

Today my HV fuse blew, and after testing my controller, I believe the problem is that my 9" FB1-4001A DC motor is shorted. The motor leads are measuring at 0.1 ohm right now. Anybody have suggestions as to anything to look at/for before I start the process of removing the motor? I may

Re: [EVDL] Testing Curtis controller on side of road?

Thanks for the suggestions. I was able to test the controller and it lights/controls the light bulb correctly under high voltage. Unfortunately, this probably means I have a motor short It measured 0.1 ohms, which seems a bit too low for an FB1-4001A. Jay On 12/27/2016 10:49 AM, EVDL

Re: [EVDL] Testing Curtis controller on side of road?

12 volts might not be enough to energize the Curtis logic circuits properly. An incandescent light bulb (40-150 Watt) is your friend. First, connect it across the controller input terminals. If it lights at all, it should be just for a short time. (You are making sure the capacitors inside

Re: [EVDL] Testing Curtis controller on side of road?

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[EVDL] Testing Curtis controller on side of road?

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[EVDL] (no subject)

Jay Sent: Tue Dec 27 09:29:39 EST 2016 Subject: Blown HV fuse reasons? Driving my S10 conversion the America kit I stepped on the gas while crossing a road and heard a pop. Navigated to the side of the road and it looks like my high voltage fuse has blown. I have had twenty thousand

[EVDL] EVLN: EV-newswire posts for 20161227

Country on Sheldon Road ... The scooter was then struck by a second car … 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-20161227-tp4685104.html