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I just bought an in-line air sander for some household projects and was wondering if it could be used when prepping a car. It has a 2 3/4 x 17 1/2 sanding board. I have read (thanks Lars) not to use an orbital sander when prepping a vette and was wondering about this. I am not planning on doing my vette with it but maybe one of my other projects.
Yes, Gerry. I have a Hutchins Hustler, myself. The inline sander takes the place of the blocking board used when finish-blocking the body in guide coat. You can't use it for initial sanding...well, at least it's not designed for that. They're really great when you're sanding in the 200 grit and higher ranges since these grits take the most effort to get the surface down. I still use the regular blocking board for my initial surfacing, but when I'm at the 400-grit level, I let the tool take the load. Of course, you can't use it eveywhere on the body either since you have so many areas where it just ain't gonna fit.
For those who are anticipating painting, choose your pneumatic inline sander carefully. Some of the cheaper ones have a very high scfm rating and will suck even a large compressor down in no time. The higher-end sanders operate with very low scfm and are very quiet.
I bought this to do a final sanding on some counter tops I am refinishing now and was hoping to use it later on some of my auto projects.
It was on sale cheap at harbor freight ($29) and worked great on the counter top but does use a lot of air. The noise is not too bad, at least it is a level I can live with.