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  1. dmarsh22

    Strut tower brace/tie-bar

    If you need more justification for fitting one then the improvement to the local dynamic stiffness (laterally in particular) will usually result in lower levels of road induced noise!
  2. dmarsh22

    Acoustic performance of tires

    Thanks Guys, I suspect that I might have to join the group measuring close proximity noise by the contact patch! I deal with automotive tyres with either 3 or 5 pitch lengths. The pitch sequence is so well designed these days that you're hard pressed to even locate the fundamental block striking...
  3. dmarsh22

    Acoustic performance of tires

    Is anyone aware of any tests or standards relating to the airborne noise generated at the tyre/road interface. I'm particularly interested in understanding the tyre as a noise source and it's impact upon interior acoustics in the 500Hz to 2kHz region. Cheers, Dave
  4. dmarsh22

    At what slope does a car door no longer hold itself open?

    I'm all for the pragmatic approach on this one and I think that Nick and Pat are spot on. I would perhaps, have gone one step further and suggested that you:- a) Borrow you boss's car b) Get hold of a high lift jack c) Arm yourself with a can of WD40 - for lube experiments and, well - do I need...
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