G'day AVB and Norm
I guess so AVB, and I think you're now right.
I do not understand the individual wheel height adjusters for that market though...?

Norm, I haven't seen that design since the mid 1960s when some designers used
these flaps as rear deflector chutes.

It's an odd design I feel... crazy

I wonder if the maker also made a 'Sally'?

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Jack