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Well, it looks like many states (my state included) are opting for Helicopters as a filler for Wright Stuff this year. So, I was wondering if anyone could help me get started on this event. I have never done helicopters and wanted to know if there are any tips on how to design the helicopter, techni...

Hi!

I have 3 questions:
1. What are the advantages and disadvantages of bi wing vs mono other than increased drag and harder to build?
2. Does changing where I put the hook for the motor stick on the fuselage matter?
3. What can I do to increase times if my plane already uses up all the motor?