Car That Could:, The: The Inside Story of GM’s Revolutionary Electric Vehicle
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Unprecedented secrecy surrounded the early development of General Motors's Impact. Shnayerson watched the story unfold from a position of access never granted a reporter before--literally from the inside of the pace-setting GM Impact program. This is the first book to penetrate the silence surrounding GM's risky and successful decision to become the world's first mass producer of the electric car.
Customer Review: The Sunraycer
The dream of the electrical vehicle was first inspired by the success of the sunraycer, a vehicle capable of 41 mph and able to traverse the US on five gallons of gas. EV technology faced two signicant barriers: the DC to AC inverter and the 100,000 mile battery life. AC motors were lighter and but the electricity had to be chopped or inverted. Alan Cocconi had built a inverter for his SunRaycer and also designed and built regenerative braking. At Aerovironment, Brooks used the Sunraycer power design and built an EV with a more power inverter and AC motors and battery pack. Cocconi built two inverters which each powered a 50 kilowatt motor.
The GM impact prototype solved both of these problems. Alec Brooks was assigned to study Paul MacCready in the offices of AeroVironment and his efficient motors. MacCready had built an Electric Vehicle prototype for GM - with its streaming lines; the initial idea was too make the rear wheel base shorter than the front creating a tapering effect. The car was to be built from aluminum rather than steel. The Impact had a fiber glass body.
It was Baker's job to bring the EV car to market. Baker reluctantly took the task, a task he dreaded because of early failure with the electrovette.
Lead Acid batteries were a problem, but they were cheap and they worked. Lead acid batteries needed water replenishment; engineers tried to devise methods and these batteries could not be 100% discharged and recharged for a 1,000 cycles. Heat and cold affect the electrical output of the battery. The batteries weighted about 900 pounds. Nickle Metal Hydrid was proven but not used immediately; Baker didn't want any delays; Baker needed to get the EV quality to production status: heater, air conditioner, radio, and suspension system.
The impact could accelerate from 0-60 seconds in 7.9 seconds reaching a speed of 75 mph; it could travel 124 miles at 55 mph and in city reach 300 mile range.
Customer Review: Great book, but the story ends prematurely
This is a great book. The author follows the tangled story of how GM developed the first production electric car... but he went to press just a year or two before GM sent it to the crusher. See the documentary Who Killed the Electric Car? for the sad end to this story.
For contrast, google for the on-line copy of "The Prius That Shook the World". While Schnayerson was following GM he was totally unaware of the development of the Toyota Prius. Like Shnayerson's book, the Prius book takes the development of a new car from a clean sheet of paper to production. From reading both, Toyota seems to have much longer term plans and much less in-fighting. GM changed it's mind with every new CEO.
By coincidence, neither book has a single photo in it (aside from the cover) and lots of personalities. But from 2007 looking back the Prius story has a much happier ending.