Friday, October 14, 2011

Keeping Dry

As you may know, it rains a lot in the Pacific Northwest. After a nice dry summer, we expect it to be wet from here clear on until summer. In order to avoid any issues we are taking extra precaution keeping water away from some of our components. All of these were designed for EV's and their manufacturers expect them to get a little wet, but there is no reason to take chances.



Today, we wrapped the inner portion of the two piece cowl duct in...duct tape. It looks clean, and does the job for almost no cost at all. we were able to close up the hood scoop the same way. What do you think?

Friday, September 23, 2011

Back Seats Back, Alright!

Tristan and Chester have gotten the battery pack completely moved underneath the car allowing them to reinstall the back seats. The only EV component that remains inside the vehicle is the one you see in the photo, the charger. That charger should eventually be eliminated all together using a new feature of our new Synkro Motive controller. Leaving the interior looking much like it did when the car was stock.

 This is where all the cells have moved to. When you want the car to still drive like a MINI it is important that you don't add a bunch of weight up high above the belt line and raise the center of gravity. So, we sat all the heavy cells down between the wheels. We removed over 80 lbs by eliminating a full gas tank, and another 40 lbs with no exhaust, but we added 300 lbs with the packs. We'll have to get her on the scales to find out for certain, but we think that despite the extra 180 lbs of batteries in back there may have been no net weight gain because of the lighter motor vs engine.



Wednesday, September 21, 2011

Relocation

The batteries have been working out well. All the cells have been charging and discharging as Tristan and Chester expected during testing over the last few weeks. Now, it is time to move them to a new home. We have battery boxes they designed to take up the space recently vacated by the gas tank, and also the area where the exhaust was. The picture above shows the 31 cells that will reside in the 'Tank Pack'.

Friday, September 9, 2011

New In Box


Some of the components could handle a little moisture, but especially in Portland we want to be ready for the rains of fall and winter and spring (it rains a lot here). Consequently, we needed a good housing for the controller and DC->DC converter. The box will have a clear cover soon, but here is how it is looking today.

Wednesday, August 24, 2011

Burnout#3

CravenSpeed's Electric MINI Cooper is finally starting to lay down some nice power thanks to our new LiFePO4 battery pack. Since the Dyno trials are not scheduled until next week, the best way we can display the torque right now is by smoking the tires.


Monday, August 15, 2011

Vacuum Pump

Today Chester is working on giving us power assist brakes. He made a temporary mount for the vacuum pump so that he can test it.

Before the MINI is finished the look of the engine bay will change in some significant ways. With all the electrical components in there we need to protect them from excess water. So, there will be a housing around them and the mount for the pump will be incorporated into that.

Thursday, August 11, 2011

Test Run #2

One of the best things about building the EV is that we have to test it. The more we drive it, the better we'll be able to tune it to perform. So far I think things are looking pretty good. Here is a sample of a test run conducted on a closed course, of course.


Any comments?