I have spent the last few weeks flying a model with 1280 squares and under 20 oz ft wing loading -
and extremely high power loading.
(11 lbs and ZDZ40 on a tuned can)
Theory is one thing - actual results show that the model flies heavy winds better than heavy models --the power is the reason-and the low weight allows full power to instantly go in directions wanted -
This setup is completely different than the "typical" high powered pattern/IMAC setup.
I am convinced that this type of setup excells -in any wind condition.
As for tumbling - the model tumbles wildly - including wing tip over tip -sideways.
Snap recoveries - in any attitude - the best ever.
The "waterfall is a rapid multiple flip.
Bottom line - you simply can't - for all practical purposes - get the model too light.
Too flimsy - yes - too underpowered (easiest)
too little control authority - yes again.
You have to try this type setup to see the results -
It is a whole different ball game.