Search found 2613 matches

by jonescg
Wed, 10 Oct 2012, 23:49
Forum: Members Machines
Topic: jonescg's eCRX build thread
Replies: 42
Views: 9305

jonescg's eCRX build thread

A brief update on the eCRX. It is still a petrol CRX, but now it's a LEGAL petrol CRX http://forums.aeva.asn.au/smileys/smiley4.gif http://i285.photobucket.com/albums/ll53/jonescg/STURT.jpg The inspiration to convert it stepped up a notch when I fuelled up the other day. We'd done 225 km and it cost...
by jonescg
Wed, 10 Oct 2012, 23:31
Forum: Members Machines
Topic: TheMechwarrior's - Road Motorcycle EV Project
Replies: 48
Views: 4413

TheMechwarrior's - Road Motorcycle EV Project

Zero has been using EIG cells, which use a Li(NiMnCo)O2 anode. They offer 175 Wh/kg and one of the highest volumetric energy densities I've seen (370 Wh/l). However... Not a lot of testing has gone on in the real world, and I think they are being used in Nissan Leaf packs; they're apparently not rea...
by jonescg
Wed, 10 Oct 2012, 18:09
Forum: Members Machines
Topic: TheMechwarrior's - Road Motorcycle EV Project
Replies: 48
Views: 4413

TheMechwarrior's - Road Motorcycle EV Project

That's an expensive outcome for the sake of a 10 A GPO... 150 km range can be had, provided you never exceed 50 km/h, and have at least 10 kWh on board. 10 kWh of the best cells money can buy would still weigh in at 60 kg, but finding a place for all of them is going to be tough. Option 1 looks pret...
by jonescg
Mon, 08 Oct 2012, 18:06
Forum: For Sale/Wanted
Topic: Parting out Voltron the Electric RG
Replies: 8
Views: 658

Parting out Voltron the Electric RG

Hijack away http://forums.aeva.asn.au/smileys/smiley1.gif I've got an Evo Electric AFM140-4 PMAC motor. It will be run through a Rineheart Motion Systems PM150DZ variable frequency drive (inverter). It's been tested and puts out 100 kW continuous and the engineer said it was able to put out 200 kW p...
by jonescg
Sat, 06 Oct 2012, 17:23
Forum: Members Machines
Topic: TheMechwarrior's - Road Motorcycle EV Project
Replies: 48
Views: 4413

TheMechwarrior's - Road Motorcycle EV Project


I've put some pictures up.
Cheers,
Chris
Voltron sale thread
by jonescg
Sat, 06 Oct 2012, 17:19
Forum: For Sale/Wanted
Topic: Parting out Voltron the Electric RG
Replies: 8
Views: 658

Parting out Voltron the Electric RG

Thought I'd add some photos: Voltron in all her glory: http://i285.photobucket.com/albums/ll53/jonescg/IMG_1127.jpg http://i285.photobucket.com/albums/ll53/jonescg/ebikeshedstuff003.jpg Two of the three Elcon/TC chargers. The charge enable wires go into a box with a solid state relays, so when the B...
by jonescg
Fri, 05 Oct 2012, 23:54
Forum: Members Machines
Topic: TheMechwarrior's - Road Motorcycle EV Project
Replies: 48
Views: 4413

TheMechwarrior's - Road Motorcycle EV Project

I have 6.2 kWh of A123 cells built into a 100 V, 60 Ah pack. Will sell the lot, BMS included for $4000. Hell, you can have the chargers and controller too for another $2000. At least I know they will fit inside an RG250. I ran a pair of Agni motors and had no trouble smashing 160 km/h, maintaining a...
by jonescg
Fri, 05 Oct 2012, 04:36
Forum: AEVA WA Branch
Topic: Perth Branch meeting Tuesday 11th December 2012
Replies: 3
Views: 976

Perth Branch meeting Tuesday 11th December 2012

Hi all, Just a reminder that the last AEVA (Perth) meeting for the year is on tonight! The meeting will be held at Curtin University, Physical Sciences Building. We're in the first floor Seminar Room at 7 pm - map is linked below: http://goo.gl/maps/YOXcd Access is through the Manning Road entrance ...
by jonescg
Thu, 04 Oct 2012, 05:26
Forum: Members Machines
Topic: TheMechwarrior's - Road Motorcycle EV Project
Replies: 48
Views: 4413

TheMechwarrior's - Road Motorcycle EV Project

I had the A123 pouches in my bike, Voltron, and Jon had them in the 2012 reincarnation of Catavolt. We can certainly attest to their quality. Of all of the cells out there these ones seem to offer the best bang for buck, and last really well too. The energy density is about 130 Wh/kg, which is prett...
by jonescg
Mon, 01 Oct 2012, 18:16
Forum: Technical and conversion discussion
Topic: Mdified gearbox to save weight
Replies: 13
Views: 2959

Mdified gearbox to save weight

Adapter plates should be able to be made to suit. Just have to get tricky with how you bolt them together.
by jonescg
Sat, 29 Sep 2012, 04:38
Forum: Electric motors and controllers
Topic: 14000 rpm Machines
Replies: 53
Views: 7984

14000 rpm Machines

I still haven't seen any actual specific vaules of losses through a gearbox or diffs (fwd and rwd). It all seems to be mechanics / dyno testers heresay. I have heard that a front wheel drive transmission is more efficient than a rear wheel drive, and that losses amount to about 17% from flywheel to...
by jonescg
Wed, 26 Sep 2012, 21:33
Forum: Electric motors and controllers
Topic: AC Motors
Replies: 17
Views: 2487

AC Motors

That Carbon motor looks really good until you weigh up the 15 kg worth of inductors you need in series with the phase wires... I'm only able to justify using the $10,000 Evo in the CRX because I will already have it and the $10,000 inverter from the race bike http://forums.aeva.asn.au/smileys/smiley...
by jonescg
Wed, 26 Sep 2012, 00:26
Forum: Batteries, charging, management and monitoring
Topic: Split pack battery charging...
Replies: 148
Views: 15808

Split pack battery charging...

Got the spec sheet from LittleFuse. These 700 V 200 A fuses might be just the ticket. Right-click and open in a new window to see detail.
Image

Hope the losses aren't much at their rated currents.
by jonescg
Mon, 24 Sep 2012, 21:24
Forum: General EV Discussion
Topic: DC-DC converters experience
Replies: 6
Views: 1056

DC-DC converters experience

My 200 W irons from eBay came with earth pins. The wire was cut off at the iron end http://forums.aeva.asn.au/smileys/smiley3.gif In fact then tinning some copper I'd feel tingles through the length of solder http://forums.aeva.asn.au/smileys/smiley3.gif http://forums.aeva.asn.au/smileys/smiley3.gif...
by jonescg
Fri, 21 Sep 2012, 01:25
Forum: Batteries, charging, management and monitoring
Topic: Split pack battery charging...
Replies: 148
Views: 15808

Split pack battery charging...

Anderson in Hong Kong have kindly provided me with a pair of connectors with the auxiliary pins already crimped in http://forums.aeva.asn.au/smileys/smiley4.gif    Shipping was more expensive than the parts, as usual. http://i285.photobucket.com/albums/ll53/jonescg/AndersonchargeplugwAuxpins_zpsda07...
by jonescg
Thu, 20 Sep 2012, 20:51
Forum: Batteries, charging, management and monitoring
Topic: Battery Weight
Replies: 26
Views: 2728

Battery Weight

I'm all over that http://forums.aeva.asn.au/smileys/smiley1.gif but I also wanted the CRX conversion to be an example of what can be done on the some of the latest technology. I'm tired of hearing "but they don't have enough range!" so a 37 kWh pack would really put the naysayers in their place. How...
by jonescg
Thu, 20 Sep 2012, 20:12
Forum: Electric motors and controllers
Topic: AC Motors
Replies: 17
Views: 2487

AC Motors

AC motors come in two main forms - induction AC (3PIM), and permanent magnet AC (PMAC). The following list of generalisations are just that, and this will no doubt precipitate much discussion http://forums.aeva.asn.au/smileys/smiley17.gif Induction motors are cheaper than PMACs but they are physical...
by jonescg
Wed, 19 Sep 2012, 21:23
Forum: Batteries, charging, management and monitoring
Topic: Battery Weight
Replies: 26
Views: 2728

Battery Weight

Hmm, maybe a 25 kWh battery would be closer to the mark. Would still give me about 150 km range at 60 mk/h, or thereabouts. It would weigh in at about 150 kg, which is about what I'd gain by removing the fuel tank, engine and power steering. I can't go ripping any more seats out - I'd have nothing l...
by jonescg
Wed, 19 Sep 2012, 18:05
Forum: Batteries, charging, management and monitoring
Topic: Battery Weight
Replies: 26
Views: 2728

Battery Weight

It's an interesting thing this battery weight issue. Is the consensus to never exceed the vehicle's original GVM? I mean, I'll try to do this for my CRX but a 100 kg overshoot is likely. 10% is a pretty significant addition to the GVM...

by jonescg
Wed, 19 Sep 2012, 06:47
Forum: Batteries, charging, management and monitoring
Topic: Split pack battery charging...
Replies: 148
Views: 15808

Split pack battery charging...

Yeah I spotted that one too. Damn, I should stop doing this late at night after my day job Image

I'll update it tomorrow with all the relevant corrections.
by jonescg
Wed, 19 Sep 2012, 00:53
Forum: Batteries, charging, management and monitoring
Topic: Split pack battery charging...
Replies: 148
Views: 15808

Split pack battery charging...

All your LEDs appear to be backwards. (And should have series resistors, but I'm guessing that's implied.) Also, I'm not clear any more what purpose the diode on the key switch is achieving, since the configuration of the charge relay will prevent the half-pack contactor from closing if the charge ...
by jonescg
Tue, 18 Sep 2012, 16:10
Forum: Batteries, charging, management and monitoring
Topic: Split pack battery charging...
Replies: 148
Views: 15808

Split pack battery charging...

Yes, I remembered the charge lead fuses as I climbed into bed. They were to go on charge leads 1 and 3, right after the M10 lug nuts. On your second point, I can't see how (apart from the high voltage) the isolation in this system would be any different from any other EV system, even if the contacto...
by jonescg
Tue, 18 Sep 2012, 06:57
Forum: Batteries, charging, management and monitoring
Topic: Split pack battery charging...
Replies: 148
Views: 15808

Split pack battery charging...

OK Finally we have a fused, geographically correct circuit diagram! I haven't got the emergency switch sorted out yet, but that basically goes on the 12 V positive line, before the main unswitched circuit of the fusebox. It should kill power to just about everything that way. HVcircuitdiagramcomplet...
by jonescg
Sun, 16 Sep 2012, 02:33
Forum: The Lounge
Topic: Blank G10/FR4 sheets, 0.031" thick?
Replies: 9
Views: 2949

Blank G10/FR4 sheets, 0.031" thick?

Rodney picked up the last two sheets in Australia; a tiny bit for his bike and the rest for mine... Image Perfect!