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  1. poepatterson

    Cam drive noise reduction

    AUTOMOTIVE AND TRUCKS, EARTH MOVING EQUIPMENT USE A VISCO MATERIAL SANDWICHED BETWEEN STEEL LAYERS THAT ARE THEN DIE FORMED INTO VALVE COVERS, OIL PANS, ETC. SOLE PURPOSE IS NOISE REDUCTION. JOHN PATTERSON
  2. poepatterson

    Muffler Design - Turbocharged

    DOES ROOM ALLOW FOR A FIBERGLASS BLANKET THAT ARE USED ON LARGE AND SMALL TURBOS FOR NOISE REDUCTION? JOHN PATTERSON
  3. poepatterson

    silicone in automotive industry?

    THERE IS A GASEOUS DEPOSITION THAT CAN SEAL MOST ANY ELASTOMER INCLUDING OUT GASSING. AUTOMOTIVE FOLKS USE A LARGE AMOUNT OF SILICONE PRODUCTS. JOHN PATTERSON
  4. poepatterson

    internal DAMPING in aluminum alloy

    I WILL NEED ADDITIONAL INFORMATION BEFORE I CAN OFFER SUGGESTIONS, APPLICATION DETAILS, FREQUENCIES INVOLVED, TEMPERATURES, ETC. THERE ARE MATERIALS THAT CAN BE SANDWICHED BETWEEN THIN LAYERS OF MANY SUBSTRATES THAT ABSORB LARGE AMOUNTS OF VIBRATION AND SHOCK ENERGY. ALSO, LOOK UNDER VISCO...
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