Right now I just plug in my small compressor to the airlines in the shop, past the tank and regulator for the big unit. I'm in the process of cleaning up the shop and organizing, so who knows what I will eventually do.

=============== Brian Lamb blamb11@... Phoenix, AZ ===============

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From: [email protected] <[email protected]> on behalf of imranindiana via <imranindiana=[email protected]>
Sent: Tuesday, January 26, 2021 8:53 AM
To: [email protected] <[email protected]>
Subject: Re: [FOG] Air Compressor Big and Small- David Kumm Style

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Brian,

I forgot if you posted details before but reading the thread i have similar thoughts as Johnathon. Primary question is do you or anyone reading fill up the large tank with little compressor or just use one at a time?

I can see the benefit of having both plumbed in and concerns with surge current of a large compressor.

Imran

On Jan 26, 2021, at 10:44 AM, Brian Lamb <blamb11@...> wrote:

?Advantages are mostly noise and to a slight advantage in electricity costs. I use a Sil-Air 150-3 compressor, which is almost silent, then if my air requirement is more than it can supply, the 5hp unit kicks in. The little unit runs on minimal amps and has no huge start up surge of amps. Same thing can’t be said for every time the 5hp IR unit kicks in… like 30 amp inrush. So depending upon how you pay for your electricity, you can save quite a bit. A word of warning, compressed air is very expensive...

Brian Lamb
blamb11@...

On Jan 26, 2021, at 8:18 AM, Jonathan Smith <jonathan.smith@...> wrote:

I read all through this and still don't understand what the advantage is to adding a small compressor. A pancake wont add significant capacity.? Cycling a 5 or 10-hp motor at intervals isn't a big deal.? Besides all that, the 2 compressors would turn on and off at different pressures so one would always shut off last (unless they shared the same switch).? I assume the small unit would be set higher but why?? Would there be a check valve on the large compressor reservoir to save the small from charging it?? Or am I wrong to assume 2 reservoirs?? What am I missing?

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Brian Lamb
blamb11@...?
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