It was going to be 2 lengths of tube, with some plate running in the middle. Then, I guess, some bolts thru the pulley.

Just came back from Pick-a-part, and scored a 15" rim for $10. At the time I was looking for a 16", but now that I can see my model, it looks like it will fit in just fine.

Unfortunately fan motors cost $35 so I guess I'll just have to buy real motors. It's the only place in the metro area so there isn't really too much competition.

Ew!
We should send you up some next time we get to PnP. I got mine for $6 ea last visit to PnP!
How much does your rim weigh unmodified?
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The guess is 5kg, I'll take it up to a tyre place to get the tyre off and then I'll give you a more accurate answer

Tyre place was shut so it was an angle grinder assisted take-off. Actually it almost was, I was all ready to go, and then decided to check if it had any air left in it. Turns out it was still pressurized, heh .

Anyway, a lot of smoked rubber later, it weighs in at 10kg... I guess it's time to buy a hole saw.

I was thinking, if I leave one rim on, I would be able to have my rim professionally balanced.

It's been a very decisive day.

I'm going to go for an IBC just because it's so cheap and compact. The EV will be switched by a TW C1 contactor.

If I wire the NO in series and then the NC across the motor, it should stop spinning in a matter of seconds. Mmm... safety

Forget the relay, get an SSR. They're really proven now, are small, compact and at $40 localy from any jaycar cheaper!
If they can run Nicks mag they can run the EV.
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An SSR whats that a saftey device??
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A journey of a million miles begins with a single step followed by a hell of a lot of other steps so get walking

You could have just done a forum search to find out. It's a solid state relay. No moving parts so no spark between contacts. More reliable and solid than normal relays.
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The contactor is rated for more current, 240A for $60 vs 2 SSRs for $80, and there are two safety aspects.

i) I believe that the Australian Standards won't let you use electronics for isolation because they have a bad habit of failing closed .

ii) I can use the NC contacts to reduce the spin down time significantly.

Sorry forgot about that.
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A journey of a million miles begins with a single step followed by a hell of a lot of other steps so get walking

quote:

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i) I believe that the Australian Standards won't let you use electronics for isolation because they have a bad habit of failing closed .

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@ Glen : Are those failures from running inside or outside of the rated load?

Also I don't have any way for my SSRs to touch metal, so their continuous rating drops to about 15Amps each. I might use SSRs in my next version of Lizzie, but I don't think that they're suitable for Sunshine.

considering jolt is running a 24v magmotor on one i think the current capabilties of an ssr are more than enough

as for relays its just the inrush current when the contacts close, a spark arcs across the gap and just welds the contacts together. those 40 amp relays do it all the time. at least with a solid state one if you exceed the current it might at least stand a chance of going open circuit
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www.demon50s.com - Minimoto parts
http://www.youtube.com/user/HyzerGlen - Videoooozzz

I'm going to try and use 72 drill cells, instead of 2 SLAs. They just barely fit