That's mostly what I wonder about--how much pressure will I be giving up
(if any) with a cooler system before the tank. The pressure switch is
mounted on the tank, so I assume it'll direct the compressor pump to
keep pumping until it reaches whatever pressure it's set for...if it
can. But I don't want to restrict it so much that I get 30 seconds of
full-pressure then have to wait for it to recover because I've throttled
it so much. I've seen finned plates on those lines before, but it seems
to me that the water still ends up in the tank. I thought it'd be nice
to capture it before it has the change to get in there and rust
something. At least to the extent possible.
The water drum was more of an interesting thought to me--without a
radiator of its own it's just a heat sink. Which is fine, but that's
not necessarily what I'm after. I thought about getting a pump and
maybe even refrigerating the water, but at some point we're just getting
crazy. :-)
On 8/15/2011 3:47 PM, Arvid Jedlicka wrote:
> I can give you data from my air cooled after cooler that might be
> relevant ... or maybe not.
>
> When I bought my air compressor I opted for the air cooled after
> cooler. It is designed specifically for the application. It is 18
> inches wide, 8 inches high and 1.5 inches thick. It has 1 inch inlets
> and outlets and has 15 [guesstimate] 3/8 inch outside diameter finned
> tubes running from the inlet to the outlet manifold. It rated for 35
> CFM though the pressure drop at that flow rate was not stated. It is
> mounted on the belt guard and is right next to the large pump pulley.
> The pulley acts as a fan to draw air over the cooler and the pump when
> it runs. The compressor is in the basement so the ambient temperature
> is right around 70 all year.
>
> I do remember being somewhat awestruck by both how high the input
> temperature was ... I expected lower ... and how low the output
> temperature was ... considerably lower than what I had expected given
> the simplicity of the setup. The inlet is well past 200 degrees ...
> the exact value escapes me at the moment but 250 to 260 seems to ring
> a bell ... and the outlet was under 80 degrees ... again 76 seemed to
> be what I remember.
>
> I have a refrigerator unit, Have not had a problem with water ...
> other than the auto drain isn't as auto as it should be ... so I have
> never gotten around to hooking it up. Probably should be a Craig's
> List item.
>
> I'd forgo the hassle of the water drum and simply use a big fan.
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