Change fork reb target
zeta_fkr_50-70.xlsx current fk reb target     .46-70s
 default for ctd
 ctd chrome tube drag
 s = strait or linear
  .35-.60s
  .36-.65s
  .40-.70s
zeta_backwards_fkc_fkr.xlsx change fk reb target    
 
openLevRatioFk_crz_create_targ.php