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  1. TMSengineer

    Suspension bushing material combinations (prototype)

    Hey guys, I'm trying to solve a problems with a certain auto manufactuers front control arm bushings. The control arm goes straight from the spindle to the inside of the car, then angles 90 degrees back and slides into a bushing. The problem most aftermarket bushings have is that they don't...
  2. TMSengineer

    Bicycle wheel inertia

    Hey guys, As most people realize on automotive wheels, the more total mass reduced and the more moved toward the center the better. Our race team is going through wheel options and my boss would like to see "real" numbers, not just "engineering" numbers. I have a short...
  3. TMSengineer

    suspension bushings

    Hey, wade66 e-mail me at brg1266@ksu.edu........old account but still works
  4. TMSengineer

    suspension bushings

    Greg, yes the main problem is that the center "cones" out. Then there is just way too much play. I think part of this problem is from what you said earlier is that the stock mount is overly constrained....the bushing is completely encased on the outside.
  5. TMSengineer

    suspension bushings

    You know really...natural rubber looks like it would have the qualities needed in this application. I have looked into PU, but feel is it to rigid for this application, we are just looking for a certain comfort level in the vehicle ride and life of the bushing. I agree, that the washers should...
  6. TMSengineer

    suspension bushings

    Ok, so last question. I have had a hard time finding a company with any sort of bushing material with the properties that have been described in stock....as far as it just has to be round "bar stock". Any suggestions? Oh and any good bonding ideas for metal to rubber? Thanks for...
  7. TMSengineer

    suspension bushings

    Ok, you guys have given me some great input. I am going to try and post a drawing. We'll see what happens. As far as the actual shock mount goes. Right now, the bushing extends beyond the upper and lower cylinder portion. Or should I surround the rubber in the cylinder almost completely? I...
  8. TMSengineer

    suspension bushings

    Pat, there shouldnt' be much twist or torsion on the bushing. It is basically failing because of compression. At "failure" the metal sleeve around the shock can move around a lot because the rubber hole is so loose. Thus, not a good situation. Greg, the bushing at this point will...
  9. TMSengineer

    suspension bushings

    I am working on a street/performance shock mount for a sports car. The original problem that needs redesign is that the rubber bushing wears out very quickly. I do not have much experience with flexible materials ie plastic/rubber. So, how do I go about figuring out what material I need to...
  10. TMSengineer

    dynamics of air flow over / under a car body

    Hey guys...I should have put my question in this thread but take a look it you have the time...... thread87-59141
  11. TMSengineer

    Wind tunnel software

    This somewhat goes along with this thread. I am just trying to do a quick downforce analysis for our cars front splitters. The downforce from the rear wing is relatively easy. The question I have is when calculating the downforce from a splitter, how do I factor in the fact that there are...
  12. TMSengineer

    suspension potentiometer, advantageous?

    I would like to setup suspension potentiometers on our cars to get a better understanding of what is happening with our suspension. However, not having done it before or seen any actual data from them, I would like to ask what the main advantages are, the best way to interpret the data, and...
  13. TMSengineer

    need info on teflon hard coating for 7075 T6 application

    SUbject says it all. I am making control arm bushings that were originally out of most likely 8620. I would like to switch to 7075 T6 and I have been told that bmw teflon hard coats theirs. If anyone knows where I can find some info let me know or has other input. Thanks

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