Solving Methods

Question 1

You are given: Wing area, chord, wingspan, incidence angle, coefficient of lift, and tail efficiency.
Determine if its LSS
1. Knowing tailarm, and calculating tail area .
2. Knowing tail area and calculating tailarm.

Answer 1

2. Find V_HT in terms of St
3. Find downwash angle
   2a. (CL_0 is 0.36 as alpha=0)
   2b. AR
4. For LSS CMt0>0 and Cmat<0
   3a. find CMt0
   3b. you will need dE/da, where claw is the part multiplying alpha in clw
   3c. get cmat
5. CmCG is the sum of the contributions: wing, tail, fuselage
6. CMcg0 is on the left, CMCGa on the right multiplying alpha
7. Find St that satisfies both conditions.
8. repeat the process as functions of lt