Block 13 Aircraft Turbine Engines - WorksHeer # 8 Unducted Fans Name: Justin SAYSAY Date: 1. Unducted Fan engines are expected to be how many times the size of current Turboprop engines? A. three or four times B. four to five times C. two to three times 2. T orB Airlines of the 400 passenger class will probably not convert to Unducted fan engine designs. 3 U