[WIP] Smart Roadster (with BMW i3 motor and inverter)

Tell us about the project you do with the open inverter
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CJW
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Re: [WIP] Smart Roadster (with BMW i3 motor and inverter)

Post by CJW »

Designs for the driver's side engine mounting frame are now done after two month hiatus. Have built in a mix of steel and 3D printed parts to confirm fit. Current plan for the offside front mount is to bolt a clamp around the subframe to avoid having to weld anything on, finalising the design for that this week then will get all the parts laser cut.

Given the constraints of the existing subframe and motor mount positions, the i3 motor only just fits, but it does fit.

Will post the CAD files on here once I've built the mounts and confirmed fit.
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Elar
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Re: [WIP] Smart Roadster (with BMW i3 motor and inverter)

Post by Elar »

To whom i should give my arm and a leg to get that CAD file from roadster subframe? 8-)
Anders
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Re: [WIP] Smart Roadster (with BMW i3 motor and inverter)

Post by Anders »

https://roadster-ev.blogspot.com/2016/0 ... embly.html

This guy I assume :)

That's the model I'm using.
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CJW
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Re: [WIP] Smart Roadster (with BMW i3 motor and inverter)

Post by CJW »

Started welding the motor mounting frames this weekend. The main crossbar that picks up the two existing rear engine mounts is complete, and the driver's side frame that picks up the front engine mount and bolts to the right hand side of the i3 drive unit is almost done. Just a couple of corner plates to add for reinforcement, then onto the offside frame.

Have ordered a couple of rear wheel bearings so will then fit those and get the Smart's CV outer sockets in place in order to size up the CV axles and see what the options might be for connecting to the i3 CV outer sockets.
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