I'll 2nd the 175 psi compressor. Anything less is a waste in my humbe
opinion!
Now that I have said that, buy the pressure pot and rent a compressor or
find someone to do it for you! I have a place in NH that will sandblast a
deuce and prime it for $500!
Steve AKA Dr Deuce
----- Original Message -----
From: <INDUSTELE@aol.com>
To: Military Vehicles List <mil-veh@skylee.com>
Sent: Tuesday, August 22, 2000 10:49 AM
Subject: Re: [MV] (sand blasting/non-working door ha...
> In a message dated 8/21/00 9:40:06 PM Central Daylight Time,
> Enterprise@earthlink.net writes:
>
> << Second: I'm looking to get a small sandblasting unit from Sears (100#
> hopper and 1 hp compressor). How much power do I need to do a decent job?
> I looked into renting a unit but all I found was a very serious
compressor
> on a trailer and a large hopper and hose which looked like something from
> the fire department. I don't think I need something that big.
> >>
>
>
> David, In my honest opinion; unless you are only planning on doing parts
that
> will fit in your hand, you'd be wasting your time with the 100# hopper and
> the 1 hp compressor. Like you, I occasionally have some stuff to sand
blast,
> and I've tried just about all of it. The system you are talking about is
> most likely a "siphon" system; which means you get a lot of air and a
little
> sand from the nozzel. This takes - FOREVER - to clean a piece of metal.
On
> anything over the size of a dinner plate it will get very tedious.
>
> I bought a 5 hp 240 volt air compressor with a 30 gallon tank (roll
around),
> and even this was not big enough to do much good with a siphon system
> sandblaster. I then bought a "pressure" system from Harbor Freight. Paid
> around $80 for a 100 pound pressurized pot. This makes a huge difference.
> My compressor would go up to about 125 pounds and made around 7 to 8 cfm
> (cubic feet per minute). This worked fine, but you had to stop after
about 5
> minutes and let the air compressor "catch up". I eventually bought a 2
stage
> 7.5 hp 240 volt upright aircompressor. This puts out 175 psi and pump
10-12
> cfm at 100 psi for a lot longer than I want to sandblast. This does the
> trick.
>
> I'd personally recommend that you get a pressurized pot - Harbor Freight -
> Northern Tools, TIP, etc. and the biggest air compressor you can afford.
> There is no such thing as "too much air" when it comes to sand blasting.
>
> If you want to, buy the pot and rent one of the heavy duty air compressors
> from the rental shop. It looks too big, but believe me it's not. You'll
be
> amazed at how much better your sandblaster does with more air.
>
> I'm thinking about buying one of those "water blasting" attachments for my
> pressure washer. A lot of the guys on this list have been bragging on the
> excellent results they are getting with these units. I can tell you that
> standing in the sun, under a sand blast hood (even with fresh air coming
to
> the hood from another source), is NOT FUN in Alabama in the summer.
>
> Good luck, Tom Campbell - Birmingham, Alabama
>
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This archive was generated by hypermail 2b29 : Sat Sep 02 2000 - 09:32:34 PDT