Home Depot sells a small handheld sandblaster that works really well. I
believe it's made for Home Depot under the husky brand. Replacement nozzles
are sold at Home Depot also.
It is in the air tool dept. Less than $20.00.
It is very simple yet effective. It just draws the media out of a bucket.
I use fine grade black beauty aka Coal Slag. Coal Slag is much safer & more
effective than sand. Most tool rental shops sell it in 100# bags around
$15.00.
But use the fine grade only anything more coarse will be hard to paint
smoothly over.
70 -80 PSI is best. Anything over that pressure you are just wasting air &
will not get the best cut from the media.
CFM is the killer. If your air compressor cannot put out at least 15 CFM the
job will be painfully slow, as you will constantly be waiting for the
compressor to make enough air to continue.
Good Luck
Bob G Cape Cod Ma.
> From: James_ <jattr6@hotmail.
>
> Tired of all my questions yet?
> I have some rust on the firewall in the engine compartment on either side
of
> the transmission. Getting a grinder down there will be a pain. I'm thinking
of
> low pressure sand blasting. I read soda blasting isn't strong enough for
rust.
> I also have the area where the PDWA brake device is mounted.
> Harbor Freight sells a small unit.
> Anyone want to chime in. Experience. Advice?
> I read to be careful over heating.
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