Anyone have a source for drywall lift plans?
I found one source on the net and a reference to a shop built lift
from Fine Homebuilding from back around 89.
I'd like to avoid doing the engineering, I have _way_ too much to do
Having borrowed a friend's "PanelLift", that seems to be the industry
standard, I can say it is a nice bit of engineering. Nevermind doing the
engineering yourself, just fabricating one with all the same features would
easily take a week's focused effort.
There's about a dozen clever details, most of which you wouldn't miss for
something that doesn't need to be as portable (or shippable), or work as
close to a wall, or handle 16' sheets as easily.
If your time is worth anything, I suggest renting one for a day (or studying
one at the H.D. rental center!) and copying what you can. It's mostly
standard shapes except for the telescoping triangular sections (which I
wouldn't bother duplicating).
I picked up a 41" pneumatic cylinder with the idea of making a simple lift
to get from ~ 6' to 10' (i.e. the hard part), then learned this friend owned
one already. I figured the cylinder would save a lot of time over the
cantilevered wire rope and pulley business.
If you are interested in the cylinder, I'd sell it for what I paid, $75 plus
about $30 for UPS. It's a pneumatic / light hydraulic cylinder (rated 750
psi), 41" stroke, 2" bore, 1" rod, end threaded 3/4"-16, in NOS condition.
The "simple" plan was to just stick a tilting frame on the rod end and use
the 41" stroke. (Lift and hang the panel with the bottom edge ~ 3-1/2' from
the ceiling, then power the rest of the way and hold while you fasten.)
More ambitious was a separate telescoping tube with a 1:2 wire rope setup
for an 82" lift, but I figured there was no point going through all that
extra trouble. 2" bore gets you ~ 300 lbs lift with 100 psi in at a 1:1