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7 cfm air sander with 6 gallon compressor

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Forum topic by jimmyhopps posted 07-07-2015 01:16 PM 530 views 0 times favorited 2 replies Add to Favorites Watch
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jimmyhopps

222 posts in 1845 days


07-07-2015 01:16 PM

I’m wondering if anyone uses a small (6 gallon, 2.5 cfm) compressor with their air sander? . I have the compressor, and am thinking of buying the Harbor Freight sander (gets good views) , which runs at 7cfm. does this mean I need to stop sanding every 10 seconds or so? I’ve also seen an Eastwood sander online that runs at 2.5cfm,but havent seen any reviews.


2 replies so far

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WoodNSawdust

1417 posts in 642 days


#1 posted 07-07-2015 01:22 PM

It has been years since I worked in a shop that used air tools. If I remember correctly the rule was that the sum of all tool’s CFMs had to be less than the CFM of the compressor. So, in a single user shop CFM of tool <= CFM of compressor.

That said, I suspect that you could use the tool for short periods of time with the performance of the dropping as each period progresses.

-- "I love it when a plan comes together" John "Hannibal" Smith

View bigblockyeti's profile

bigblockyeti

3668 posts in 1187 days


#2 posted 07-07-2015 01:53 PM

You’ll get a little run time, but plan on stopping frequently to let the compressor recharge. Unless you need to do very little sanding, the additional time required waiting for it to build pressure would be counterproductive.

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