Woodworking blog entries tagged with 'cfm'

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View Monkeyman1's profile

Dust Collector CFM change with Mods

07-05-2015 05:24 PM by Monkeyman1 | 12 comments »

This is ment to give and idea of what happens to air flow when we do mods to a dust collector. I have been getting along with my vacuum ok, but time to upgrade. After stalking (lol) this site for a few months and checking Craig’s list all the time, I decided to buy a HF dust collector. I feel for the price it is very tough to beat.This is a very unscientific test and due to either bad jack on my cellphone (new Cat S-50) or due to the cheapness ($40) of a ABM-100 anemometer. This is ment to sh...

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View bigfoot11's profile

Harbor Freight HVLP with small compressor

06-19-2015 08:22 PM by bigfoot11 | 5 comments »

Every second week, Harbor Freight has their standard HVLP (purple) gun on sale for $15 or sometimes even $10 but the box warns you that you need “X” amount of air to operate it. I say fooey! My small Craftsman pancake compressor advertises 2.7 CFM at 40PSI which is far below the advertised 6 CFM that the gun requires. Perhaps the HVLP gun has a similar “over-specification” as their 2HP dust collector? With the tank full and the regulator set at 50 PSI (while holding...

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View BlankMan's profile

Dust Collection Air Flow Probes

04-02-2012 02:48 AM by BlankMan | 6 comments »

Well with all the talk about dust collection going on I got the itch to measure my system again. I didn’t have my new hood for the chop saw built so that wasn’t measured and I’d like to know how it fairs. Also, last time I measured everything I had trouble reading Velocity Pressure, that reading was bouncing around so I averaged the low and high. I think that was in part due to where I placed the Pitot Tube, it was probably encountering too much air turbulence. So this time ...

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