Question

As weight varies, rubber engine _______

(a) can be scaled accordingly

(b) cannot be scaled accordingly

(c) remain fix

(d) will change as half always

This question was addressed to me in unit test.

Asked question is from Rubber-Engine Sizing topic in division Initial Sizing of Aircraft Design

Answer 1

Correct choice is (a) can be scaled accordingly

To explain I would say: Rubber engine can be rubberized as per our requirement. If during the initial sizing process, we need to alter the weight then, we can scale the rubber engine accordingly. This is one of the advantages of the rubber engine.