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Grant Erwin

wrote:

On Sep 10, 1:00 pm, Grant Erwin wrote:

I have located a 30" sheet metal slip roll in my general area. It's about 2
hours away by car. It isn't new, looks to be solid old US. I have only seen
one photo.

The seller states that there is no maker's name on it anywhere, nor any
nameplate data. Is there any way to infer the max thickness it can handle?

He says there is surface rust on the rolls. I figure I can knock most of it
off easily with a 3M pad and just use it. Does this make sense to you?

Thanks,

GWE

I have never used one, but can't a person make multiple passes on the
material and increase the curve each pass? Is this a motor driven roll
or a hand-cranked unit?

Hand cranked. To my knowledge, all slip rolls use multiple passes.

I guess you could crank up the top roll and insert a straight edge and
measure from the bottom of the straight edge to the bottom of the
middle roll.

The difference between an opening that will admit 22 gauge and 16 gauge is
only a few thousandths. I doubt max opening is related. I suspect it will
have to do with the diameter and length of the rolls.

How far can you go in two hours, given the traffic problems in Puget
Sound area?

I can go a long ways. I just don't go where/when the traffic is. It might
take me longer to get back, though.

Used to live in Issaquah area.

Ah. That explains your traffic concern. That place has the very worst traffic in
the area.

GWE