From: slurryguy <slurryguy@yahoo.com>
>I'm not an expert in spraying mortar or using a tirolessa, but I
>wonder if you really need such a big compressor, Nelda.
I'm not either, but from watching videos of the morter sprayers and reading specs for commercial products, it would appear to me that they use a lot of air. That generally means a big compressor (and therefore, big $$).
>I wonder if in your personal situation if you could get by with a
>significantly smaller compressor than normal and a reasonably large
>air tank.
Sounds like a good theory, but where would you get the tank? I don't see a lot of small HP compressors on the market with large tanks. Maybe 20-30gal or so for a 2-3 HP unit tops.
>The big compressors give someone the advantage of being able to spray
>and spray and spray with few breaks all day long. Do you anticipate
>working at that pace?
You may risk exceeding the duty cycle on a small compressor by requiring it to fill a very large tank. If that's the case, it won't last as long and you'll void your warranty.
I had another idea for a "budget" spray setup. Harbor Freight sells the raw compressor pumps, without motors or tanks (like Item # 93786, 93785). It seems to me that you could rig one of these up with a motor (maybe an electric motor like Item # 3094, or a gasoline engine from a lawn mower or something) so that it just ran continuously while you sprayed. When you needed to mix more morter or take a break, you just shut the engine off. I'm not sure what you'd do with the "excess air" it produced if you didn't have a tank, perhaps the regulator would just dump it?
Greg
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