本帖最后由 PUG 于 2016-3-4 05:38 编辑
"I think sometimes crashes are good for our helicopter because some of the components and structures are too old and you never know when it doesn't work."
Well, do you mean crash is the only and the best way to confirm components and structures are too old ? how about other things? it is good for them also? example battery, motor, servos, main blades...
Do you use the simulator? why do you not go by crashing way?
I am sorry, I have to say your post are full with confused.
Be logical!
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Added: example battery, motor, servos, main blades...
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