[Rurudyne]

Special no spill design for doing acrobatics.

We don’t even wanna know how much the built in Margarita Machine cost.

[Paal Gulli]

"Special no spill design for doing acrobatics."

Not necessary. A superior pilot can maintain a positive 1G load of the airframe, even while performing aerobatics.

https://www.youtube.com/watch?v=V9pvG_ZSnCc