Recent content by acuteaero

Just wanted to say I like this project very much, think you've done a great job with it so far and look forward to seeing it continue! I have a coworker who is building his second VW-buggy based EV now, it is a really cool platform for sure. He drives his first buggy to work often when the...

I used to be involved with the "plug in prius" modification scene, but it has been years since that! It is certainly possible and can have good results, but has gotten less popular since there are many more plug-in cars on the market these days. The Gen 2 prius transmission can run completely...

I missed the "maker" registration deadline but I'd like to come the event and hang out if I can make it given the challenges that week in school... I will bring my crumby e-bike, or maybe something less crumby if I get it built in time... I met up with Bob Schneeveis on Thursday night and...

1. Not very, there are kits. Just a couple wires to the ECUs behind the glovebox. 2. Yes. "kill switch" style EV-mode is good for 52? 55? at that point the MG1 speed is at its physical limit and the car can't travel faster without spinning the ICE 3. Depends how you drive. Pack is very small...

I rather don't mind the idea of leaving some big scorch marks on the cube wall :twisted: That way my coworkers can remember me after I leave to go back to university... On the plus side setting the wall on fire means everything else is working really well, right?

That is a good way of thinking about it. I had assumed I would just run the resistive load only on this project, and there are some cases when you would want to do that... say to test an entire battery/controller system- but for most cases simply dumping back into the source battery through a...

o So Where Next? Unfortunately I start school again next week :| But I will try to continue to make some progress. It should be pretty straight-forward to get a very basic level of functionality working and get some numbers from it- I just have to try to turn off my perfectionist impulse...

And then I spent a few hours and built the resistive load: Three 28v/600w aircraft landing lightbulbs wired in Delta. This allowed me to do a real honest-to-goodness test! The results are encouraging! ZLHhCNCsB_4

I have gotten some good work in on the dyno project over my winter break- it's almost mechanically complete now! New since last time: -Motor mounting plate: This I ended up designing as a two-part system: The plate that bolts to the skid is used for any different sort of motor- the...

I finally got around to doing this to some supplies and thought I'd share a couple of things based on my experience: I screwed around a bit trying to see if it made sense to attach the output leads somewhere else, like removing the "hot-swap" connector and soldering them somewhere, or...

Thank you to everyone who came out! I had a great time meeting you/hanging out with you all. It was a great fun way to spend my birthday :) Luke's death bike totally fits into the Prius, leaving no doubt that it is a bicycle and not a motorcycle, and that the Prius is the ultimate e-race...

I have tried to take my HLG supplies apart. The top aluminum cover plate is removable but it simply reveals a fully pour-potted assembly, there are no components protruding from the material, the side plates are fused to the sides of the potting. This also means that if you damage the...

I would be curious to cut apart some test crimps made with the ebay crimper and the cheap copper collars, just you know, in the interest of seeing what happens. If you are in fact achieving cold welding inside the joint it would be a little bit of a BFD, I think. -Henry

Eeeeeeew why on earth did he conventional-mill the outside contour. Looks like depth-cuts of .050" with maybe a .125 tool, running a very high speed router spindle. Note the roughness of the finish on the walls of the cuts, and the typical chatter-marks in the inside corners. Once you've had...

Yes, that is the only way it will work. Small depth cuts reduce the rigidity required. The machine you originally posted will never cut steel, and might cut aluminum at a depth of <.02" per pass, with a small diameter, good, sharp tool. The accuracy will be mediocre and the finish on the edges...