electromog

Larger 4 cylinder engines, body mods, major brake and handling modifications.

Re: electromog

Postby andy-harris » Thu Oct 05, 2017 6:58 am

Happy to say that they're already spot welded to copper/nickel panels. No individual fuse wires like on the Tesla though. They're Valence LiFePO batteries which are a bit lower capacity than LiPo, but much more robust and they don't explode if you damage them, which is nice. There is still a lot of work to do even if I haven't got however many thousand spot welds to do.
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Re: electromog

Postby The vast minority » Thu Oct 05, 2017 5:08 pm

I must google Elotn Musk, see who he/she is.

Great work, really interested in this.

Al
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Re: electromog

Postby woodywoodchipper » Thu Oct 05, 2017 5:33 pm

The vast minority wrote:I must google Elotn Musk, see who he/she is.

Great work, really interested in this.

Al



Think Tesla :lol: :lol: :lol:
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Re: electromog

Postby The vast minority » Fri Oct 06, 2017 3:52 pm

woodywoodchipper wrote:
The vast minority wrote:I must google Elotn Musk, see who he/she is.

Great work, really interested in this.

Al



Think Tesla :lol: :lol: :lol:



I must now google TESLA, the plot thickens.......
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Re: electromog

Postby andy-harris » Sat Oct 07, 2017 10:47 am

I strongly advise you don't do that unless you have a spare £70k ;-)
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Re: electromog

Postby The vast minority » Mon Oct 09, 2017 9:50 am

andy-harris wrote:I strongly advise you don't do that unless you have a spare £70k ;-)


Blimey, its that electric car fella!
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Re: electromog

Postby woodywoodchipper » Mon Oct 09, 2017 1:50 pm

:lol: :lol: :lol: :lol: ;)
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Re: electromog

Postby 58 MOGGY » Thu Oct 19, 2017 4:54 pm

Reading sun paper today and came across this story,someones beat ya to it,but did spend £18000 building it
IMG_0163.JPG
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Re: electromog

Postby andy-harris » Sun Nov 12, 2017 7:56 pm

Yes, I have had a couple of chats with him. he's using an AC motor and gone for a very simple approach - no mods to the car, low power. It's a lovely example of what can be done.
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Re: electromog

Postby andy-harris » Sun Nov 12, 2017 8:26 pm

I've had a very productive, enjoyable and cold weekend.
Firstly, the gearbox is now mounted properly at the back (brackets need to be fully welded when the time is right). I had to modify the JLH cross member a little to compensate for the more-rearwards-then-normal position where the chassis leg slopes upwards slightly, but it works a treat.

rearmount.jpg


That was Saturday.
On Sunday, I did a full fitting of the motor (all the proper bolts and stuff and connected it up to the new harness. Couple of problems to sort out (one of the Grey contactors, top left in the second picture) was not staying closed when it should, so I swapped it out. The motor feedback sensor cabling had a broken connection, which meant that when switched on the motor made a rather disconcerting squealing noise. Once these two issues were sorted, I was able to start, stop and vary the motor speed as expected, so I'm feeling a bit smug as the wiring harness is integrated and worked first time! Yes I know it looks rather messy but that won't last. I think I have all the swanky JLH running gear I need now, so hopefully it will be a rolling chassis in the not too distant future and I'll be able to do all of about 8 miles an hour with the 36v battery pack I'm currently using, just need to order the propshaft once I've got it onto the wheels and weighed it down with a suitable amount of batteries to get the correct length. Once this is as finished as I can get it (ie finish the 12v electrics, drivers seat, throttle, and working brakes) I can start messing about properly with batteries. Feels like a real milestone today.

DSC_0558.JPG

Stuff on the plywood board is the control/safety circuit (10 relays and 2 contactors, the grey things which are basically VERY high current relays, up to 1000 Amps I think) This will get put in a nice waterproof box and positioned so you can both close the bonnet AND see out the windscreen ;-). Left hand contactor will control the negative connection, but I've just bypassed it for now.

DSC_0557.JPG

The laptop is there just to commission & test the motor (it has a serial interface to the controller). The thing dangling in front of the motor is the test throttle control. Snaky red wire is the feedback one I had problems with.
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Re: electromog

Postby 58 MOGGY » Sun Nov 12, 2017 9:10 pm

Yeeha we have power, its nice when you hit the big moments on a build,what sort of power do you think you'll be making , the motor is very compact ,i love that whole power plant is just the size of a gearbox, where does the mr fusion blender go :lol:
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Re: electromog

Postby andy-harris » Sun Nov 12, 2017 9:24 pm

The motor is rated at about 100kw/135hp, the controller at 80kw/108hp. Should be enough.
Don't think there'll be any time travel going on, though I'll probably have white hair by the time it's finished.
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Re: electromog

Postby 58 MOGGY » Sun Nov 12, 2017 9:26 pm

Looks like you're rushing,spent 20years building mine :shock:
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Re: electromog

Postby andy-harris » Tue Dec 05, 2017 7:18 pm

Doing lots of messing around atm, ordering parts and gathering stuff together.

I couldn't stop myself! Very superficial, but somehow significant.
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Re: electromog

Postby 58 MOGGY » Tue Dec 05, 2017 7:33 pm

Nice little bit of bling to encourage yourself, 8) ,i got bit of electro bug and because of bit of dodgy knee converted my mountain bike to electric assisted,took out for spin on sunday and was shocked with the power,really smooth,loads of torque,flat out got up to 40mph,it has 1500w motor running 52volts
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