Hello, i am involved in the design of a gearbox, for this project i started a spreadsheet and i have a first gearbox configuration, for this i used agma tables from my design textbook for J and I coefficients and now i like to check this by using agma 908-B89 procedure,i already have completed I factor, however in J coefficient i found in troubles, each equation ask me for a new "x" variable and now im in a loop, the variables i found hard to obtain are Sf, hf, (phi)nl, (rho)f, and for some of this i need others more difficult as (deltas) Sn, xg´s, x´s, ksi and so long, can anybody help me??
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