Practice · 12 problems · Paper

Printable Worksheet

Twelve problems to work by hand, from the numbers of the Spirit of St. Louis and the Wright Flyer to the drag of a Sopwith Dolphin, the wing of a 747, new engines for the 707 and the weight snowball of a new jet transport. Print it, show your work in the space provided, then check your final answers here.

History of Aircraft Design · Worksheet

12 problems · Parts A–C
Name Course / section Date

Show your work in the space provided. Use \(g = 9.81\ \text{m/s}^2\), \(\rho = 1.225\ \text{kg/m}^3\) at sea level, \(1\ \text{lb} = 0.4536\ \text{kg}\), \(1\ \text{ft} = 0.3048\ \text{m}\), \(1\ \text{hp} = 0.7457\ \text{kW}\), and give answers to 4 significant figures. You may use the Formula Sheet.

Answer sheet: final answers only.

How to use this worksheet

  1. Print it, or save it as a PDF. Each problem gets a dotted work space. It fits on six Letter or A4 pages.
  2. Work on paper. Part A reads early aircraft through their numbers, Part B covers streamlining and speed, and Part C covers range and sizing. Each problem names the lesson to review if you get stuck.
  3. Check your final answers with Show answer under each problem, or show them all at once. Only final answers are given here.

Part A · Reading early aircraft

Problems 1–4 · Basic to intermediate · Lessons 1–3

Part B · Streamlining and speed

Problems 5–8 · Basic to challenge · Lessons 3–5

Part C · Range and sizing

Problems 9–12 · Basic to challenge · Lessons 6–7