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Topic Review (Newest First)
02-10-2013 07:59 PM
M5StudeGuy
Quote:
Originally Posted by oldred View Post
That's a good tip about buying extra nozzles because even a good quality 1/8" nozzle becomes a 1/4" nozzle fairly quickly!
Here's something I did I'd be glad to pass along.
I bought my sandblasting unit at Tractor Supply. I also bought the sand and tips there. My blaster is the Siphon type
As you know they have about 5 different sizes of ceramic tips, and tips are EXPENSIVE if you do much blasting.
I figure I have already saved hundredS of dollar with this idea.

I took the tip I planned on using most all the time (I think it was the largest one). I bought a 4 foot section of brake line tubing.
It fit just about exactly into that size hole of the tip. I cut off several small lengths of the tubing (just a tiny bit longer than the ceramic tip - maybe a big 1/8 inch)
Then I flaired the end of the brake line.
I put it into the ceramic tip; and with the end being flaired was held in place by the flair.

Then I use the blaster just like it was made. I watch the end of the tip and when the brake line material wears away, I stop, put in a new line, and go back to blasting. I am still using the original ceramic tip and I have used it over a year. It simply just wears away the brake line, and gets no wear to the tip itself. If you are doing this on a budget, you can't beat this.

ALSO... while I am thinking about it, I use "Black Diamond" sand blasting medium (also from Tractor Supply). It's about $8 per 50# bag.
DON'T just use this stuff once, sweep it up and throw it away.
While it's true that new material has more 'teeth' and will blast better,.. you can use the same medium over and over.
I bought six bags when I started, and so far I have blasted my entire cab (inside), the truck bed (two times); inner fenders, tailgate, front of bed, and other assorted items.
I just make sure I blast on a heavy tarp (or something to keep it off the ground and "clean"). Then sweep it up and strain it as you put it back into the hopper. I use a screen from a regular home storm window. Lets the blast medium through, and filters out anything else.

Hope this helps

OH you folks were talking about compressors. I hook two compressors together and they don't fun full time. Between them they keep about 110+ pounds of air made while in use - plenty for me to blast with. They both make up to 150# before shutting off.
01-31-2013 10:53 AM
ogre i did a 6''x6'' piece of a fender and decided it would take me a week of 24/7 blasting to get it done.
detroit prices to blast my cab was $200, you can probably get it done cheaper in ok.
i had less than $600 in blasting by the time i was done.
01-31-2013 10:13 AM
S10xGN I got very discouraged trying to sandblast my '47 Ford coupe. This was with a Northern 7.5 HP-29 CFM-80 gal tank compressor and the large HF blaster with pressurized tank. It took me over an hour to do 2 square feet, and I went through several nozzles before I finally gave up. Hope you have better luck.

Russ
01-31-2013 12:05 AM
Dave57210 I agree that many (most- nearly ALL!!!) home compressors will not supply enough air for doing an entire cab. A friend rented a "pull-behind" diesel powered one - normally used for running jackhammers - complete with an industrial-sized blaster that was designed for doing bridges - to do the underside of the floor his Nomad plus the frame and the suspension pieces for it. Got it all finished in an afternoon. He said it him cost less in the long run than other approaches. He only had to rent the rig for a few hours to do it all!

I'd be WAY too scared of just blowing right on through the floorboards to try that!

For the body panels and the cab plus chassis, plus (etc) on my '56 F100, its all going into the Reddi-Strip tanks so it won't get work-hardened and warped from the blasting.
01-30-2013 05:46 PM
oldred That's a good tip about buying extra nozzles because even a good quality 1/8" nozzle becomes a 1/4" nozzle fairly quickly!
01-30-2013 05:33 PM
NEW INTERIORS
Quote:
Originally Posted by oldred View Post
Not sure which Quincy model you have but from your description it would have over 15 CFM (that's an honest 15+ CFM, not an inflated figure like some of the cheapos) plus it will have a 100% duty cycle so I think it is certainly up to the task, you can run that Quincy all day without hurting it! The trick is to use a nozzle sized for the CFM available and in this case a 1/8" should be about right, you could use a 5/32" but it would require some waiting because of exceeding the compressor output but still not too bad to use.



And yes that Bellaire is a brute also! Darn good compressors for the money.
That is a sweet Compressor.. My friend speedydeedy has one he bought about 18 years ago and never gave him any problems yet..

And it will fill that tank very fast... If your running a DA sander, It will stop pumping air while your still useing it..And it will wait for you to catch up... I like that...
01-30-2013 05:31 PM
NEW INTERIORS Just make sure to buy a few nozzle gone that small..
01-30-2013 05:28 PM
oldred Not sure which Quincy model you have but from your description it would have over 15 CFM (that's an honest 15+ CFM, not an inflated figure like some of the cheapos) plus it will have a 100% duty cycle so I think it is certainly up to the task, you can run that Quincy all day without hurting it! The trick is to use a nozzle sized for the CFM available and in this case a 1/8" should be about right, you could use a 5/32" but it would require some waiting because of exceeding the compressor output but still not too bad to use.



And yes that Bellaire is a brute also! Darn good compressors for the money.
01-30-2013 05:15 PM
NEW INTERIORS I know that Quincy is a good one..

I can say this much, I'm very happy with my Belaire,, I can't keep up with it... Nothing bad at all to say about it.. Great Compressor..Mine was around $1800

Sorry 7.5 hp

Here's the one I bought.. Seems to have went up since I bought mine..http://www.alltiresupply.com/p-318VLE.html
01-30-2013 05:07 PM
50bowTie Thanks for your help guys I will probably end up paying someone to blast it now. Ill be doing the frame first and ill tackle it myself. Beginning to think ill never be happy with my CFM. always want bigger
01-30-2013 04:06 PM
NEW INTERIORS I have a 7 hp belaire compressor now.. My compressor isn't the down side,, It's filling the tank with sand every 10 Mins to do a big job..I have a 110 Lb. Pressurized Abrasive Blaster And it will eat up some sand fast.. That compressor you have will do some running to do a whole cab..Get a lot of sand..
01-30-2013 02:57 PM
oldred You will not wear out that Quincy!!! Congrats on making an excellent choice for your compressor, that thing should do the job but you will probably need to use a small nozzle, about a 1/8" or even smaller.


Now about sandblasting that cab, you are aware that you can very easily destroy it beyond repair by sandblasting don't you? I don't mean "well shucks I got a lot of work to do fixing that" I mean "take it to the scrap yard" kind of damage! Sandblasting a cab can be done but unless you understand exactly how to do it then it very well could result in irreparable damage due to sheet metal distortion. This is because the sand hitting the metal has a peening effect like millions of tiny hammers hitting it and it will cause the surface of the metal to expand causing massive warpage that simply can not be repaired. This is not, as is sometimes thought, due to heat from the blasting as the surface of the metal does not get hot therefore taking steps to keep the metal cool while blasting is useless and warpage will occur anyway. The effect is also cumulative so each pass will add to the problem and taking quick multiple passes will still cause warpage unless extreme care is taken.
01-30-2013 01:50 PM
ogre i'd recommend that you use your sandblaster for spot treating and small stuff.
take the cab, fenders and doors to a commercial blaster and pay his price.
a 5 hp compressor is not big enough to really blast with,
you will wear out your compressor by the time your done.
i did do my frame, wheels, brackets and small stuff at home and that's what it's good for.
01-30-2013 01:29 PM
50bowTie
Hey you sandblaster guys...

I'm about to buy a Quincy 80 gal 5hp Compressor. I want to be able to sandblast an entire cab inside and out.. been looking at the Eastwood pressurized sandblasters. Which one would you recommend that would give me the fastest results and least amount of stopping to refill sand.


Thanks for the wisdom

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