G'day Jack Speedy and Norm,

The Gator blades have an advantage over Victa blades if you want a mulcher blade, they will also last
a lot longer than Victa blades ,sometimes you may get a disadvantage by a lighter spinning mass.

Thanks Jack for the info. and the Bloodhound link ,I saw that last time it was posted on ODK,this time
I downloaded a copy of the video .

Yes as we know the sharpened edge on a flat blade can't be zero lift because the blades create enough air flow
to discharge the grass in a side discharge mower but not enough air flow to fill the catcher of a rear discharge
mower.

Also as we know to simply get over the problem of the Victa 18 blades being too thin to sharpen a leading edge
on the cutting side of the blades the problem is solved by bending new blades into a shape that would give
the back edge of the blade a higher stance of about 2.5 mm .(changing the pitch of the blades)

The Rotoscythe ,I did find a few pics but these blades don't look reversible, the earlier models may be
a lot different to the pics I have.

I was looking at the history of the Rotoscyth https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=69693
but are unsure if we have any images of the reversible blades.

Cheers
Max

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