RE: Quick question- Super Tiger/Thunder tiger
Huh???? correct me if I'm wrong here....a 13 lb plane with a .91 for power? I don't think you will get off the ground with authority.
For a 13 lb plane I'd recommend a 120 - 140 size engine. In that case you can go with the ST 2300 which is a 140 size engine swinging an APC 18 X 6. Now you are talking power with authority.
Just my two cents. Other modellers would have some input.
Cheers.