Turbo V8 with no cams on the 4-valves per cylinder. Three motors, no transmission, 0-60 MPH in about 3 seconds. It can run on the gasoline engine alone if the battery is dead. The electric-only range is not long, but it can move under electric-only power if desired.
The largest main motor is an MG (motor/generator) inline with the engine, plus it does triple-duty as the starter (the three motors are shown in red below).
The freevalve technology is fascinating, no cam-chain or belt, each individual valve has a hybrid electro-pneumatic actualtion module, where lift, timing, and duration are completely flexible and computer controlled. I have been looking for information on their motors, because they do a lot of their own research, and often come up with innovative solutions that are not mainstream. I am hoping there may be some tidbits that are transferrable to a DIY non-hub electricbike motor:
https://youtu.be/7pGGjXyUx24?t=626
Fast-forward to 10:26 for the Hybrid model
[youtube]7pGGjXyUx24[/youtube]
I have not found many details on the main electric motor yet, but the two rear wheel-shaft motors are YASA axial-flux (Yokeless And Segmented Armature), and the stator is liquid-cooled. Since the engines cooling system would typically operate at 180F-200F, I would assume that the engines coolant is used (but I don't know). By having an MG/starter on the front of the engine, they have a power-adder, a generator to charge the electrical system, along with a starter for the engine...all without a belt and pulleys. By having a motor on each of the rear wheel shafts, it can use torque-vectoring and quickly adjust power to one side or the other if it detects slipping. Here is a blurb from YASA:
The largest main motor is an MG (motor/generator) inline with the engine, plus it does triple-duty as the starter (the three motors are shown in red below).
The freevalve technology is fascinating, no cam-chain or belt, each individual valve has a hybrid electro-pneumatic actualtion module, where lift, timing, and duration are completely flexible and computer controlled. I have been looking for information on their motors, because they do a lot of their own research, and often come up with innovative solutions that are not mainstream. I am hoping there may be some tidbits that are transferrable to a DIY non-hub electricbike motor:
https://youtu.be/7pGGjXyUx24?t=626
Fast-forward to 10:26 for the Hybrid model
[youtube]7pGGjXyUx24[/youtube]
I have not found many details on the main electric motor yet, but the two rear wheel-shaft motors are YASA axial-flux (Yokeless And Segmented Armature), and the stator is liquid-cooled. Since the engines cooling system would typically operate at 180F-200F, I would assume that the engines coolant is used (but I don't know). By having an MG/starter on the front of the engine, they have a power-adder, a generator to charge the electrical system, along with a starter for the engine...all without a belt and pulleys. By having a motor on each of the rear wheel shafts, it can use torque-vectoring and quickly adjust power to one side or the other if it detects slipping. Here is a blurb from YASA:
"...The Regera uses two direct drive YASA 750 motors delivering 1600Nm/360kW on the rear axle for traction, and a single engine speed YASA 400 Motor Generator Unit delivering 350Nm/160kW of electrical power generation, torque gap filling and starter motor functionality..."