[Shop-talk] compressor/sandblast guru question

[Bob Spidell]

Also good to run an extended line--25 ft or more--from the compressor to the water trap. That way the air cools and water condenses before it hits the trap. 

Bob 


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Bob Spidell - San Jose, CA 

----- Original Message -----
From: "David Scheidt" <dmscheidt at gmail.com> 
To: "Bob Spidell" <bspidell at comcast.net> 
Cc: "John Niolon" <jniolon at att.net>, "shop-talk" <shop-talk at autox.team.net> 
Sent: Sunday, April 22, 2012 9:15:31 AM 
Subject: Re: [Shop-talk] compressor/sandblast guru question 



On Apr 20, 2012, at 11:37 AM, Bob Spidell <bspidell at comcast.net> wrote: 

> 
> 
> From what I know of fluid dynamics--not much--I've always wondered what a large tank offers. Yes, the tank will put out more air before it reaches min pressure and the compressor fires, but then the compressor has to run longer to replace the volume of air lost. 

One thing a big tank can give you is cooler drier air. Air straight out of the compressor is hot and wet. As it cools, the water condenses. A tank big enough to ensure the air being drawn off is room temp means the driers have to work less hard. I've worked with some industrial set ups that had oodles of compressor capacity to meet their peak load, but used large tanks to buffer the temperature and moisture.