I know one manufacturer is exploring foot operated switch, and another is tinkering a switch on the handgrip/stick. I have my doubts that either will get much play. Spot spinning a zero turn takes a little practice, but once you get used to it you can do it without rubbing a bald spot. Commercial cutters are pros at it...they have to be.
I know the system you speak of on the Cub. Cub's parent company, MTD, introduced it a few years ago. I can speak of bitter experience of the need to use resistor spark plugs in whatever engine is used on these units. They wont mow in reverse with non-resistor plugs, or at least they didn't when I worked for an entire week just to discover the fact. Got a nice, MTD jacket once I figured it out. Didn't help my ego much, though.
"Forget pounds and ounces, I'm figuring displacement!"
If we accept that: MBG(+)FGSF(=)HBG(F1) And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1) Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT? PB answer: It depends.
