A wing has chord of 1m. Find the appropriate range of the front spar position from l.e.

A)
3.2
B)
1.2
C)
0.9m-1.5m
D)
0.2m-0.3m

Correct Answer :  


Explanation : Given chord c = 1m.
Typical range of front spar location = 20% to 30% of chord = 20% of 1 to 30% of 1 = 0.2*1 to 0.3*1 = 0.2m-0.3m.