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  1. jandreas

    Composites and Unsrpung weight

    The engineering and units costs are too high for most road-going cars?
  2. jandreas

    Rubber for R/C car tires

    Silastic M-2 http://www.dowcorning.com/applications/search/default.aspx?R=2164EN is an RTV platinum cure silicone from Dow Corning. It is very easy to work with; weigh, vacuum degass, mix, vacuum degass, pour.
  3. jandreas

    Carbon fibre road wheels?

    are truck wheels but they have had TUV certification for 2+ years.
  4. jandreas

    Dual Mass Flywheels

    Yes, Porsche is still using the DMF even in the high (450HP+) horsepower cars. The damper between the two masses fails and you end up with a clunking. Porsche allowed upto 15mm of movement (with return) before they declared the flywheel dead. I'm not sure I would call 100,000 miles out of...
  5. jandreas

    Dual Mass Flywheels

    In 89-90 Porsche used the original Freudenberg and then in 91-92 they used a modified Freudenberg. From 92 onward they switched to LUK. 75-100,000+ miles, its the Freudenbergs that failed prematurely. The only difference I know of is the LUK thrust ring is riveted to the flywheel there is...
  6. jandreas

    Dual Mass Flywheels

    Interesting, Porsche had a similar problem with their 911 series from 1989 to late 1992. ALL their Freudenberg flywheels would fail and they (the owner) replaced them with a model from LUK (absolutely no warranty repairs obviously).

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