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I'm sure you know how much harder it is than a bunch of electrical and mechanical engineers who've been working on it for years. No doubt you're qualified to ma

I'm sure you know how much harder it is than a bunch of electrical and mechanical engineers who've been working on it for years. No doubt you're qualified to make such a statement because your expertise and experience in electrical systems and manufacturing trumps theirs. Probably you didn't read the whole article but their batteries have already been in at least one production vehicle for a couple years now (the porsche panamera plug-in). This is the kind of hn comment that I really hate. "Extensive QA at scale". What does that even mean? *Update: Downvote away! I guess my comment is not HNy enough i.e using big impressive sounding terms like 'extensive QA at scale' to make knowing comments about things I really have no experience with.

drcross 10y ago
I don't need to be a film maker to critique a film. OP makes no claims of his/her superior engineering skills, only provides typical concerns that people have.
- dorito_chimp 10y ago
  That is a totally false equivalence. You need to be a film maker to make a statement like "shooting film on medium format is so much harder than people think". Especially when you're armchair critiquing a professional film maker who shoots with it every day.
mdorazio 10y ago
I made no claim of the type you're implying, although I do work in the automotive industry. My comment was strictly related to history - A123 Systems was also a company of electrical and mechanical engineers attempting pretty much the same thing, and they failed nonetheless (you can look up the history if you're curious). My point was that technical expertise is insufficient on its own to guarantee success in areas like this where a minor manufacturing defect can brick cars or light them on fire months after they leave the factory. That's what extensive QA at scale means - every single battery that gets sold has to be extensively checked for performance and safety or else you get Galaxy Note 7 or A123... again.

drcross 10y ago

I don't need to be a film maker to critique a film. OP makes no claims of his/her superior engineering skills, only provides typical concerns that people have.

dorito_chimp 10y ago
That is a totally false equivalence. You need to be a film maker to make a statement like "shooting film on medium format is so much harder than people think". Especially when you're armchair critiquing a professional film maker who shoots with it every day.

mdorazio 10y ago

I made no claim of the type you're implying, although I do work in the automotive industry. My comment was strictly related to history - A123 Systems was also a company of electrical and mechanical engineers attempting pretty much the same thing, and they failed nonetheless (you can look up the history if you're curious). My point was that technical expertise is insufficient on its own to guarantee success in areas like this where a minor manufacturing defect can brick cars or light them on fire months after they leave the factory. That's what extensive QA at scale means - every single battery that gets sold has to be extensively checked for performance and safety or else you get Galaxy Note 7 or A123... again.