Wednesday, October 01, 2008
Visit Aptera for more information about this really cool car.
The Typ-1 uses a commoditized, 'ruggedized' 3-phase motor controller designed for vehicular applications, and a 3-phase motor made by a company in Southern California. The rear drive suspension, and the drive reduction, are all designed and made by Aptera. Since the Typ-1e (electric) and the Typ-1h (series plug in hybrid) have different battery needs, this may result in different battery manufacturers for the two models. The Typ-1e is designed to use a 10 KWh pack, while the Typ-1h uses a smaller pack. The cycles and DOD are different for both applications. They will announce further information regarding the battery lifespan and warranty policy well before they begin manufacturing the Typ-1 next October.
Diesel or Gasoline? The first prototype, the Mk-0, was a parallel hybrid Diesel and achieved an average of 230 MPG at a steady state of 55 MPH. This was pure Diesel/mechanical drive with no electric assist. Diesel is attractive for its Carnot efficiency and the increased enthalpy of Diesel fuel vs gasoline. However, diesel contains lots of unburned hydrocarbons and NOX compounds, and it's impossible to get a small Diesel engine certified for emissions in California. Therefore, the typ-h uses a small, water-cooled EFI Gasoline engine with closed loop oxygen feedback and catalytic converter. This engine is coupled to a lightweight 12KW starter/generator. It's very clean and quiet.
*All info comes from the Aptera website.