Now that's ingenious. I like it.
Okay. At first it appears like something Wile E. Coyote would use
against the Road Runner. Does the backpack have a nameplate that
says, "ACME BIRDSEED SHOOTER?" hehehe
Perhaps if you hung a doughnut from the bungee it would help motivate
the guy doing the spraying? Or what that distract from the
operator's aim?
Seriously though, well done. Thanks for posting about that. Please
update us if you make refinements to your system.
Care to tell us more about the project that is getting sprayed? Is
that an earthbag foundation for something to be built? Retaining
wall?
--- In papercreters@yahoogroups.com, "John Annesley" <John@...> wrote:
>
> See photos under "Tiro-YoYo". This is a counter balance rig worn by
my friend to almost
> completely eliminate strain on the back and shoulders when using
the mortar sprayer. You'll
> see from the photos that he's no spring chicken- white hair and
white beard.
> Mortarsprayer.com says the mortar sprayer should be used by young
guys in training, but Bill
> used it seven hours straight without difficulty. It's basically a
back pack frame and straps
> from a decent quality hiking rig with a piece of bent rebar
attached to the frame which arcs
> out over the user like a fishing pole and suspends the mortar
sprayer from a simple rope
> strap. Thought of the concept last night, built it on the job in
under twenty minutes this
> morning and it worked real fine. I made it because Bill had used
the mortarsprayer for a few
> hours on a previous day and it wore him out, having to hold that
weight out away from his
> body at the end of the wand-- a real back and shoulder work out for
anyone, let alone
> someone who's well into retirement like Bill.
>
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