EXPLORE SPARROW
Meet Sparrow
Explore the ideas behind the Sparrow design, from its electric powertrain to its single-seat cabin.
Turbulators: Why the Sparrow Body Uses Golf-Ball Dimples
An explanation of the dimpled turbulators on the rear of the Sparrow body and how a turbulent boundary layer can reduce aerodynamic drag.
Charging the Sparrow: J1772 Stations and Recharge Times
How the modern Sparrow prototype was recharged, the recharge times and energy use the team recorded, and why the J1772 connector was chosen.
Maximum Efficiency: How the Sparrow's Design Choices Add Up
A summary of the factors the Corbin team credited for the Sparrow's low energy use, with the consumption and cost figures they recorded in testing.
The Corbin Single-Sided Swingarm Drive Train Explained
How the Sparrow's patented single-sided swingarm carries the HPEV 30 kW AC motor as a structural member and drives the rear wheel by belt.
Sparrow Ergonomics: Corbin Seating with Heated and Cooled Comfort
A look at the custom Corbin seat in the Sparrow, its adjustable backrest, and the patented Fire and Ice heated and cooled seating system.
The Sparrow's Three-Wheel Reverse Trike Layout
Why the Sparrow uses two steering wheels in front and one driven wheel behind, what the layout does for weight and footprint, and how the prototype's weight compared.
Low Profile: The Sparrow's Tapered Nose and Low Battery Placement
How the Sparrow's small tapered nose creates a clean entry into the air, and why the battery pack sits low between the front wheels to support that shape.
The Sparrow's Single Forward-Swinging Door
How the Sparrow's single upswing door on the curb side allows entry in tight parking spaces and keeps the driver away from moving traffic.
The Sparrow's Enerdel Lithium-Ion Battery Pack
Details of the 20 kWh Enerdel lithium-ion pack fitted to the modern Sparrow prototype, its automotive-validated construction, and its low central mounting.
Inside the Sparrow Cockpit: Equipment and Controls
A guide to the equipment fitted in the modern Sparrow prototype cabin, from the leather Corbin seat and tilt wheel to the Android media center and battery app.