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  1. magnograil

    PS-300 anti-friction coating

    NASA developed PS-300 as a plasma sprayed coating consisting of chrome oxide, silver and barium fluoride/calcium fluoride eutectic in NiCr binder. Has anyone ever used it or know of a company that can apply it? Last time I checked into having the rotary engine endplates coated, Flame Spray, in...
  2. magnograil

    Dilivar Specifications

    G'Day, Would anyone have the density, coefficient of expansion and tensile strength of Dilivar? It is used in the Porsche 911 engines for the through studs. I believe the coefficient of expansion is about half way between aluminum and steel. I had no hits on this question from the Materials...
  3. magnograil

    Dilivar specifications

    Good Day, Does anyone have the density, coefficient of expansion and tensile strength of Dilivar? This material is used for the through studs in the Porsche 911 engines. It has a higher coefficient of expansion than steel, about halfway between steel and aluminum. Thanks.
  4. magnograil

    Vacuum retard range

    I am building a programmable ignition but so far have not been able to find what the range of retard and vacuum are typical. My Alfa V6 manual gives 250 mbar = 0 deg and 380 mbar = 10 deg which does not make sense (250 mbar = 3.626 psi, 380 mbar = 5.511 psi). Intake vacuum ranges from around 14...

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