ITEC completely redesigned the TFE1042 - 7 into the TFE1042 - 70 -- for example , the bypass ratio was changed from 0.84 to 0.4 .
The investment had increased from US $180 million to about US $320 million .
ITEC completely redesigned the TFE1042 - 7 into the TFE1042 - 70 -- for example , the bypass ratio was changed from 0.84 to 0.4 , and the investment had increased from US $180 million to about US $320 million .