Small torch set?

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Anybody know how long one of these little torch sets with a 20cf ox bottle and 10cf acetylene bottle will last or cut?
Reply:With a 00 cutting tip, at 20-25 psi oxy, and 5 psi acy, at the recommended 35 scfh oxy, and 6 scfh acy. .......... The oxygen should last around 40 mins, and the acy, around 90 mins.Thats my guess........... anyone care to check my math?Remember that you shouldn't draw more than 1/7 the volume per hour, from the acy. bottle.......that would be about 1.5 cf per hour.Here's a good tip chart with the flow rate and psi recomendations.http://www.hoopersupply.com/tipchart.htmlLast edited by BBchevy396; 04-01-2006 at 08:30 PM.We need to protect Freedom of Speech, otherwise, how would we know who the A-holes (like me) are.
Reply:sounds good to me JimIF it Catches...Let it Burn