The effective blast diameter will be about 8mm, works but takes time. If you haven't got a big compressor its a compromise you have to make. If its just small components will be fine, wouldn't want to do anything large like a loader frame etc, not saying you couldn't but would be tedious.When you say painfully slow, how bad is it?....or is it a how longs a piece of string question?? Seems they are either too small and not up to the job or proffessional machines that need 250+cfm.?
Yea pointless without enough cfm, we have our own pot and have just bought a 250cfm compressor as the 140 was just borderline tried small pots but very time consuming and quite wasteful in the amount of grit they useAye, think it’s more about the compressor as opposed to the pot!?