G'day Max
I appreciate the point about the rear secondary skirt.

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As we know the earliest Victa rotary mowers had swing back blades, Austral Villiers,
there were a few mowers in the 1960s with a similar blade setup to the Fastcut.

Yep, for sure. This is an important question.
It is clear to me that Victa introduced the swing back blade system here,
but the idea belongs elsewhere...

I pointed this out in my record of the British Ladybird...

https://www.outdoorking-forum.com.au/forum/u...1940s-the-ladybird-mowers.html#Post52326

I have not been able to identify the origin of swing-back blades but
evidence it is of British origin - best guess.

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The early Sunbeam twin-rotor electric is the best looking electric mower in my opinion.
I agree Max. I love the design - the way two
small rotors were used to overcome start-up loading, the
toothed belts, the twin chutes, the swing-over handle....

For me, the magic was lost with the second Sunbeam electric.
The demands for a side catcher meant one chute had to go.

Cheers
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Jack