Question

The BD-5J is a very small single-seat home-built jet airplane which became available in the early 1970s. The data for the BD-5J are as follows:
• Wingspan: 17 ft
• Wing planform area: 37.8 ft2
• Take-off gross weight: 960 lb
• Fuel capacity: 55 gal
• Power plant: one French-Built Microturbo TRS 18 turbojet engine with maximum thrust at sea level of 202 lb and a specific fuel consumption of 1.3 lb/(lb.h)
• Drag polar of this airplane is provided as: ??=0.02+0.062??2
- Draw the estimated V-n diagram of the BD-5J by using your own engineering approach.

Answer 1