So it's 11 oz more lets say.

That means you need to put batter in tail, not a problem but it's got to be below the tail servos.

If it was me ... I'd put it on the 65" Yak. Weight shifting profiles is easy.

I'm sure others will say differnt. But I like them overpowered. Also 65" Yak has best wing loading then any plane we have. The extra 11 won't kill it.