tut 2

Question 1

what is fuselage line for

Answer 1

reference position used to determine forward and aft positions of an aircraft

Question 2

what is water line for

Answer 2

horizontal reference plane to locate and document vertical position of an aircraft

Question 3

what is butt line for

Answer 3

references location for positions to the left and right of centre

Question 4

types of fuselage construction

Answer 4

warren truss - longerons are only connected to diagonal members

pratt truss - diagonal members for tension/compression loads

monocoque - in a form of tube or cone without internal structural reinforcement members

semi monocoque - skin is reinforced with internal structural members

Question 5

steps for damage tolerant design

Answer 5

1) know which parts are damage tolerant
2) define load conditions and damage extent
3) conduct representative tests
4) analyse crack initiation, crack propagation rate, remanding strength