I installed a disk brake on the rear wheel as an emergency and parking brake. Because it’s hydraulic I couldn’t use the original Heinkel ratcheting lever, so I installed a motorcycle lever style activator. This presented another problem; how to keep the brake engaged while parking. Here’s the solution: Here it is in place: And […]Continue reading Emergency Brake Improvement
If you have an EV and live in a cold climate you know the effect that winter weather can have on your vehicle’s range. In my case the Heinkel absolutely would not run below 50 degrees F (10C). There were telltale signs that something was amiss with my BMS too- one of the boards would […]Continue reading Packing Battery Heat
I was looking for an alterative to fish paper for wrapping my LiFePo4 cells before reinserting them into my battery case. Why wrap cells? To keep them physically separate and prevent any errant electrical connections. The usual wrap is something called Fish Paper, which doesn’t have much to do with fish (as far as I […]Continue reading Would the Postal Service be Proud?
Now we’re in unchartered territory. The original Heinkel speedometer looked like this: Remember that Heinkels were economy cars, the speedometer only recorded the bare minimum- speed and miles traveled, But if you paid extra you could get a real (or a fake) clock! The speedometer measured travel by a cable from the top on the […]Continue reading EV Conversion Speedometer Project
The swingarm serves more roles than you probably think, and using the original motor mounts saves time and space.Continue reading Swingarms, Backing Plates and Motor Mounts
One of many drawings Marcelo Spina made to help me understand EV technology!Continue reading Special Thanks to Two Heinkel EV Owners