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Chevy Volt Teardown
Videos for Engineers

Chevy Volt Teardown - RF Cafe Video for EngineersProduct teardowns are a common part of the engineering cycle. Rarely are teardowns performed by the manufacturers (or at least not made public) since the truth is, they would prefer that nobody know how they do things. I don't blame them for not wanting their materials and methods known since a lot of money is invested in the process that leads to the end product. Fortunately for the rest of us, there is no law against performing and publicizing teardowns. I have a confession: I spent six years doing teardowns of competitors' products at my last job. Electrical parametric testing including RF performance and even ESD survival levels, identification of components used and estimating costs, x-raying and decapping IC packages, and even sanding down LTCC substrates layer-by-layer to determine construction of distributed and buried element values, generating schematics of ICs and complete assemblies, then writing sometimes extensive reports was my daily routine. It was the best job I've ever had as an engineer. So, when I see teardown reports and, in this case, a teardown video, my interest piques.

In this video, a team of Avnet-sponsored Drive for Innovation engineers and technicians completely disassemble a Chevrolet Volt electric vehicle. The time-lapse video compresses a couple full days of work into a little under 5 minutes. It is both instructive and entertaining to watch. The two main features that struck me are the amount of stuff crammed into the engineless "engine" compartment, and the fortress-like welded aluminum case that contains the battery packs. Some people have made a big deal over having so much energy stored in those lithium batteries in case of a collision, but it pales in comparison to the energy stored in a gasoline tank. That is part of the problem, though - not much energy storage compared to the equivalent volume and weight of gasoline.

As I have said so many times, I would love to have an electric car for around-town driving, but there is no way I can justify the cost even with the rest of you (taxpayers) subsidizing $7,000 of the cost.

Ford Mustang and Cougar, 1964-73 (Chilton Automotive Books) - RF CafeFord Mustang V8, 1964-73 (Haynes Manuals) - RF CafeOf course, teardowns on cars and trucks is nothing new. Companies like Chilton and Haynes have been publishing the ultimate teardown manuals for decades. If you have ever done your own maintenance, chances are that you have owned at least one. Exploded parts diagrams and scores of photographs document every detail of how the vehicle is assembled from bumper-to-bumper and axel-to-headliner. Come to think of it, Avnet might be able to sell their documentation to Chilton or Haynes to save them work when it comes time to produce their own.

BTW, the 1964½-67 Mustangs represented in these manuals had a nasty problem that would make even unprotected lithium batteries look tame - the gas tanks were installed in the trunk without any barrier between it and the passenger except the rear seat. Many people were doused with gasoline and died of severe burns in otherwise survivable wrecks.

Chevy Volt Teardown Video

Electric Vehicle Service Disconnect Plug Video

Chevy Volt Battery Module - Heavy Armor!

Chevy Volt - Under the Hood

Posted  3/14/2012
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