 Renting a Sandblaster |
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| Britain Smith |
 Sep 3 2003, 11:13 AM
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#1
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Nano Member  Group: Members Posts: 2,354 Joined: 27-February 03 From: Hillsboro, OR Member No.: 364  |
Does anyone know if it is possible to rent a sandblaster? If so, where? I am in the Santa Clara, CA area and only need one for a little while. I have an air compressor to run it. Anyone have one that I can borrow?
-Britain |
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| Rusty |
Sep 3 2003, 11:14 AM
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#2
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Wanted: Engine case GA003709 Group: Admin Posts: 7,943 Joined: 24-December 02 From: North Alabama Member No.: 6 Region Association: Galt's Gulch 
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I dunno how much blasting you have to do.. but you can go to Sears and buy a small one.
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| Randal |
Sep 3 2003, 12:13 PM
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#3
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Advanced Member Group: Members Posts: 4,446 Joined: 29-May 03 From: Los Altos, CA Member No.: 750 |
I do. It needs a good compressor (5 or 6 cfm at 100PSI) to work, but it does work. You'll need to find a place where you can plastic sheet off everything around your working area as they tend to be very messy.
I live in Los Altos. |
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| Brad Roberts |
Sep 3 2003, 12:17 PM
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#4
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
Your are opening up the biggest can of worms in the world. I promise you dont have a compressor "bad" enough to handle the job your trying to tackle. I also suggest you find a place away from the house to do this..everything (including the neighbors) will be covered in a fine lair of dust (even with the plastic).
B |
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| Britain Smith |
Sep 3 2003, 12:38 PM
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#5
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Nano Member Group: Members Posts: 2,354 Joined: 27-February 03 From: Hillsboro, OR Member No.: 364 |
We have a 50 gallon compressor, would that work? I am just looking for a way to assist in the removal of the underbody coating and some of the suspension pieces. The hand grinder method is going to take a while.
-Britain |
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| Brad Roberts |
Sep 3 2003, 12:41 PM
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#6
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
Its not the size of the tank... its the pump head and motor pushing it. You can have a 150 gallon tank.. the pump still has to keep up.
Boy..what a mess. I have no idea. You can try Randals setup (I have a siphon feed gun) but if the compressor runs and runs and runs... your going to piss off the neighbors and burn up the compressor (ask me how I know). B |
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| tdgray |
Sep 3 2003, 12:47 PM
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#7
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Thank God Nemo is not here to see this Group: Members Posts: 9,705 Joined: 5-August 03 From: Akron, OH Member No.: 984 Region Association: None |
Brad is right (wow how many times is that phrase uttered here) (IMG:style_emoticons/default/laugh.gif) . You have to have an industrial grade compressor to operate a sandblaster efficiently. They do make spot blasters that can operate on smaller volumes of air but they don't work well and don't hold a great amount of media. Look kinda like a paint gun or a wagner power painter.
Sandblasting won't work very well with what you are trying to do. They are good for stripping paint and rust but that is about all. I think you will just end up with a sandy-gooey mess. (IMG:style_emoticons/default/sad.gif) Oh yea if that wasn't all you were going to do with it and are going to get a blaster anyway. Get the smallest one possible and do not get just regular silica sand, get a product called Black Beauty. It has extra goodies in it that work much better than plain silica. Just my .02 Todd 1960 MGA 1973 914 1.7L |
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| Brad Roberts |
Sep 3 2003, 12:50 PM
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#8
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
hey.. I was WRONG in another post this morning...LOL
B |
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| bmendel |
Sep 3 2003, 12:59 PM
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#9
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Member Group: Members Posts: 66 Joined: 3-July 03 From: Bay Area, CA Member No.: 877 |
Agreed, I have the biggest compressor you can get at sears, 175 PSI 9-10 CFM 6ft tall beast and it is barely adequate for media blasting small parts. Cleaning one head takes a good 10 minutes and recharges the compressor 2 - 3 times (using walnut shells, I was told beads were not so good for them).
By the way, what did you do with your 912 engine you're replacing with the 2.3? |
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| Britain Smith |
Sep 3 2003, 02:31 PM
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#10
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Nano Member Group: Members Posts: 2,354 Joined: 27-February 03 From: Hillsboro, OR Member No.: 364 |
I am going to be selling the original 912 engine. It is really nice, but unfortunately it is not running well. I plan to tear it down and figure out what is wrong, then sell it. I beleive that the head gasket is blown or a warped head. I have attached a pic to look at?
(IMG:http://www.britainsmith.com/Porsche/My912/images/Engine02a_JPG.jpg) (IMG:http://www.britainsmith.com/Porsche/My912/images/Engine03a_JPG.jpg) |
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| Mueller |
Sep 3 2003, 02:51 PM
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#11
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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Britain,
If you can wait a few weeks for me to get back into town, my compressor here at work has no problem with supplying the needed amount of air. (7.5hp Rotary compressor with 100gallon tank) Our loading dock in the rear of the building would be perfect for something like this. Like said earlier, removing undercoating with the sandblaster is not the most effective method. The media sorta bounces right off the undercoating. For my suspension parts, I've started to remove the undercoating before I sandblast the parts for paint removal. |
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| Brad Roberts |
Sep 3 2003, 02:53 PM
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#12
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
His problem is getting the car ANYWHERE. He doesnt have a truck and trailer.
B |
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| Britain Smith |
Sep 3 2003, 02:59 PM
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#13
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Nano Member Group: Members Posts: 2,354 Joined: 27-February 03 From: Hillsboro, OR Member No.: 364 |
I am just going to suffer with the manual method of removal. It will be a test of my strenght and determination...or something like that.
-Britain |
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| Slowpoke |
Sep 3 2003, 05:21 PM
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#14
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Member Group: Members Posts: 116 Joined: 1-June 03 From: Tucson, AZ Member No.: 768 |
You can sand blast your car to remove the undercoat ( I wouldn't do it) , but as stated it is not very efficent. The the more damanging result from sand blasting is you will warp the sheet metal panels. I have been really careful and I have done that a couple of times. My body man, (70 year old guy with numerous cars that made Popular Hot Rodding in the day) that fixes my mistakes, using all the tricks he has learnt in the last 50 years, really gets upset trying to get out the oil canning and the crown back into the panels. I avoid it like the plague now. I don't remove good undercoat, so I don't have a good method to do it. But, fixing heat warp panels is much harder that scraping off undercoat. I don't mind sandblasting an area I'm going to be welding on anyway. But, I wouldn't touch a good panel with a sand blaster. That's what they make dry stripping shops for. when you need it.
Peter |
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| Randal |
Sep 4 2003, 09:43 AM
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#15
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Advanced Member Group: Members Posts: 4,446 Joined: 29-May 03 From: Los Altos, CA Member No.: 750 |
I wonder if one of those powerful (3000 psi or higher) powerwashers would work? My little 1800 psi washer will just about bore a hole in anything.
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