Comments by "John Cunningham" (@johncunningham4820) on "PORSCHE'S Printed PISTONS - The Printed FUTURE of ENGINE INTERNALS?" video.

  1. 3D printing IS Star Trek Replicator 1.0 . Seriously ! If this was done , then 1.01 at this stage . I heard that Koennigsegg designed one of their Engines , using a Twin-Scroll , Variable Turbocharger that couldn't be produced by conventional methods . So they 3D printed it in Some Grade of Stainless Steel . Other than Annealing , no finish machining POSSIBLE internally . No idea if this really happened . Koennigsegg . Lunatics . SMART lunatics . With a Very PHAT cheque-book . For these Pistons , the Heat treatment would HAVE to be an Annealing process I think and then , maybe a Hardening Flash , AFTER machining . Really interesting stuff .
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