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  1. bradleyelwood

    k value, 40:00 X 57 tire.

    I am interested in the K value, (vertical spring constant, kips per inch of deflection) of a 40:00 by 57 bias tire. The tire is inflated to 145 psi and carries 300 kips at very low speed. Does anyone have test data? The second part of the question is: What happens to the apparent vertical...
  2. bradleyelwood

    Wanted: wind tunnel model for MD 87 / DC9

    Can anyone tell me where to find a reasonably priced model of a DC9 (MD87)? I need something with a wingspan of 4 to 8 feet. I prefer a wind tunnel model, but I can use a reasonably accurate display model.

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