So far that makes 2 male, 5 female and 4 indeterminate. Not sure that's enough of a sample to satisfy the science council...
Julian at SGT (as was) named ours 'The Green Goddess' which I like so has stuck.
It could be likened to -
The Narrow Gauge Railway Engine on the Romney Hythe & Dymchurch Line, or
A Fit Lady from early TV days???, or
A Military Fire Engine of old
or An Ocean Going Liner (Cunard's Caronia as was) -
Masculine of Feminine? Take your pick.
This one is my choice.

