turbo torch question

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anyone know if i can adapt a acetylene turbo torch  unit to run on propane anyone done it ??350P 30A spool gun cut master 51  syncro 250 other stuff " take a dog off the street and make him prosper and he will not bite you sad the same cannot be said for man" i didnt use punctuation just to piss you off
Reply:I don't know if the handles are the same, but I do know that the tips themselves are different. I wouldn't try to use an acet. tip on propane, but if the propane tips will plug into the acet. handle I don't see where that would be a problem.
Reply:The handles are definately different. The QD on the propane ones are larger..No government ever voluntarily reduces itself in size. Government programs, once launched, never disappear. Actually, a government bureau is the nearest thing to eternal life we'll ever see on this earth! Ronald Reagan
Reply:My Hooper Welding Suppy Tip Charts - http://www.hoopersupply.com/tipchart.html for Weld/Braze Tip Data says,The approx. Oxygen consumption ration by volume for various gasses is as follows:1 oxygen to 1 acetylene2 oxygen to 1 Mapp®/Natural gas4 oxygen to 1 propane/propyleneNow I know your torch is an acetylene/air torch, not an acetylene/oxygen torch, but the ratio of acetylene/air should be the same as for acetylene/oxygen.In other words, compared to acetylene, propane needs 4 times as much oxygen or air by volume to burn correctly. In theory...Two portions (by weight) of acetylene requires 5 portions of oxygen (by weight) to burn with a neutral flame.2 H2C2 + 5 O2 → 4 CO2 + 2 H2OOne portion of propane (by weight) requires 5 portions of oxygen (by weight)  to burn with a neutral flame.C3H8 + 5 O2 → 3 CO2 + 4 H2OSo by weight, 10 parts of oxygen will combust 4 parts acetylene or 2 parts propane.In other words, compared to acetylene, propane needs 2 times as much oxygen by weight or air to burn correctly.What's it all mean?Running propane with your current acetylene tip, your torch will be oxygen/air starved - expect a wimpy yellow flame because you're getting only 1/4 of the air volume needed for complete combustion.If you used a tip with a smaller hole (orifice) say of 1/2 the size (1/4 the cross-sectional area), you should be in the ball park for complete propane combustion.  However you are now flowing only 1/4 the fuel gas volume so you will likely end up with a nice tiny blue flame!  Add in that the combustion temperature in air will drop from 2,500°C (4532°F) with acetylene to 1980°C (3596°F) with propane and... it doesn't look too good!You really need to modify the torch to increase the air flow by 4 times, keeping the original tip used for acetylene.  I don't know whether that is possible.The theory seems to confirm what DSW said, "The handles are definitely different. The OD on the propane ones are larger."Rick V 1 Airco Heliwelder 3A/DDR3 CTC 70/90 amp Stick/Tig Inverters in Parallel1 Lincoln MIG PAK 151 Oxy-Acet
Reply:Originally Posted by Rick VThe theory seems to confirm what DSW said, "The handles are definitely different. The OD on the propane ones are larger."
Reply:Originally Posted by DSWThe handles are definately different. The QD on the propane ones are larger.
Reply:Originally Posted by DSWThe handles are definately different. The QD on the propane ones are larger.
Reply:Opps, Looks like I stand corrected. I didn't have the fittings to put side by side to double check. I knew the torch handles were different and would not interchange but my memory failed me on the tips. I thought the fittings were larger ( I sold the propane torch and all the tips to someone else a while back since I nolonger use propane for plumbing pipes.).No government ever voluntarily reduces itself in size. Government programs, once launched, never disappear. Actually, a government bureau is the nearest thing to eternal life we'll ever see on this earth! Ronald Reagan
Reply:Originally Posted by DSWOpps, Looks like I stand corrected.
Reply:thanks for the info guys i i gust went ahead and got an adapter to run the torch i have off one of the baby acetylene bottles 350P 30A spool gun cut master 51  syncro 250 other stuff " take a dog off the street and make him prosper and he will not bite you sad the same cannot be said for man" i didnt use punctuation just to piss you off
Reply:Originally Posted by umahunterthanks for the info guys i i gust went ahead and got an adapter to run the torch i have off one of the baby acetylene bottles
Reply:thanks i thought to check into that after the fact. cant use the torch yet as i have a leak around the valve on the handle that will need to be repaired first. then i will just put it back on the original bottle. im going to see about getting a handle for the small tank for the lil  small plumbing jobs as i dont want to buy benzomatic propane torches anymore  since they wont repair them anymore350P 30A spool gun cut master 51  syncro 250 other stuff " take a dog off the street and make him prosper and he will not bite you sad the same cannot be said for man" i didnt use punctuation just to piss you off