Bryan,
Re M Ramell ; You are correct - very correct.
I don't think anybody is suggesting to have electrics weighed without batteries - you IC guys would become extinct - quickly - as it is you are on the endangered list

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Re a future design ; Have a little something in mind ok. The problem is it will have to have two wings and I can't get constructive advice on wing incidences anywhere

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Nobody talks about bipe wing incidences.
Perhaps a good subject for The Future of F3A thread.
Do you agree that most people fly faster when the wind blows ??
Have you ever wondered why ??
Brian