[SML] Air bladder system for pushing down casters....

[Bill Conner]

Like a small inner tube?

On Mon, Aug 5, 2024, 5:06 PM Jon Ares via Stagecraft <
stagecraft at theatrical.net> wrote:

> So this is still a dream of mine, perhaps.... according to my files, I
> queried the SML about air caster/diaphragm technologies, for wagon
> brakes. (An air bladder, pushing down on casters, thus lifting the
> platform, and allowing it to roll.). Michael Powers gave me great info
> on systems he'd built, but it all seems like a ton of work, with lots
> of trial-and-error.  (I'm always short on time, not a lot of time for
> extensive lab testing.) :)
>
> Has anyone tried building a system using something like these,
> commonly available today?
>
> https://www.amazon.com/IMPROVED-Commercial-Professional-Alignment-Inflatable/dp/B09F34QGB6/
>
> My thought was replacing the tubing and valve with appropriate air
> fittings, but also not sure if there's a two-way fitting that allows
> inflation and deflation all at one junction.
>
> Or other methods to quickly, quietly, secure rolling wagon units
> onstage? I despise "wagon brakes" - the hold-down clamps repurposed
> into "brakes." I do have a 4-brake pneumatic system that can work, but
> it's a bit noisy (the loud PSSST! when releasing them) - plus, I'd
> need many more than 4, which means getting more stuff, and if I need
> to get more stuff, I might as well look at other options...? Leading
> me back to the air bladder option, where air pushes down on a plated
> caster, thus lifting up the platform and allowing it to roll.
>
> Open to suggestions.
>
>  - Jon
>
> --
> Jon Ares
> www.arescreative.com
>
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