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  • Users: TChronos
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  1. TChronos

    Cooling system test lab

    I wonder if anyone could point me to a test lab in the US that can do heat rejection testing on automotive radiators. I'm trying to decide between three sample designs, and could use some actual measurements.
  2. TChronos

    Bellville Lock Washer

    I'm designing an oil filter head for a six cylinder motor. The head will be made in two pieces, I'll be fastening them using low grade steel bolts. I'm thinking of adding a bellville under the bolt head to compensate for thermal expansion and contraction of the parts. I don't think locktite...
  3. TChronos

    Yet another alternative engine

    http://www.regtech.com/index.html I wonder what sort of material they might use for the vanes.
  4. TChronos

    Radiator design reference

    I am designing a series of downflow radiators. It's been suggested that the radiators would work best if the inlet and outlet were at opposite corners. The best "fit" solution would have the inlet and outlets both on the left side of the radiator. I understand that there will be pressure loss...
  5. TChronos

    Galvanic corrosion in glycol solution

    I'm designing a thermoswitch adapter that will be used to control an electric fan in automobiles. The adapter mounts in a header tank, which can be steel, aluminum, or brass depending on model and vintage. The switches are always brass cased, and screw into the adapter. The adapter is (or...
  6. TChronos

    Tragic Indifference

    I just read this book, on the Ford/Firestone rollover issue: http://www.amazon.com/exec/obidos/tg/detail/-/0060090588/104-0610785-9739901?v=glance Rather than discuss specifics (especially since some of the engineers involved may be on this board), here's a hypothetical. Management asks...
  7. TChronos

    Retreatment of Steel

    A batch of our torsion springs were heat treated to the wrong hardness (too soft-RC42 vs RC46-48). The metal is 9254. Is there any reason these couldn't be rehardened?
  8. TChronos

    Stacked Plate Radiators

    In the 1960's, several auto companies experimented with stacked plate radiators. Here are a couple of pics and a write up: http://xked.com/gallery/zoom/?id=4943 http://www.dewitts.com/images/product_940.jpg http://www.dewitts.com/pages/dewitts.asp This style of heat exchanger is still used for...

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