2024 Propane torch won

I bought a propane torch (bernzonator) and everytime I tried using it upside down the flame would go out. I know it's a stupid question but I've never used a butane torch before so I'm hoping some one can give me a quick answer before I go out and buy one. TIA. In my experience, they struggle if the tank drains in the vertical direction.. A kangaroo

Bernzomatic Torch Repair Parts – A Troubleshooting Guideline. April 14, 2023 by Terry A Hankins. Among the popular brazing torches, the bernzomatic torch is one of the best because of its durability and self-ignition capacity. It is suitable for professionals and at-home DIY projects as these torches are usually very long-lasting.Mar 27, 2019 · Harbor Freight Propane Torch with Push Button Igniter by Greenwood #91037 Reviewhttps://goo.gl/hcpBSoOutfitted with a flow valve and turbo-blast trigger, the... Find Product Documentation. Hand Torches and Torch Kits. Utility Lighters. Fuel Cylinders. Brazing & Welding Rods. Accessories.Mar 27, 2019 · Harbor Freight Propane Torch with Push Button Igniter by Greenwood #91037 Reviewhttps://goo.gl/hcpBSoOutfitted with a flow valve and turbo-blast trigger, the... Sounds like you got plenty of propane just not enough air for it to light. If no you might have to swap it out for another. Just the gas adjustment knob. This is the torch I have. I use butane torches so this is a total guess but in the add it states it has a pencil tip. Could that be why you only get a small flame.Jul 3, 2023 · Bernzomatic TS4000 Trigger Start Torch 361524 The product is map-pro, trigger start torch, instant on/off trigger increases fuel savings & convenience, lock button keeps torch lit for finger-free use, replaceable brass tip, burn tip produces swirl flame for maximum heat output, pressure regulated to burn in all directions, cast aluminum construction provides added durability, for use with ... Jul 15, 2022 · Steps to Attach the Burner Torch to a Propane Tank. The propane cylinder will come with a plastic screw cap for extra safety. Make sure the valve on the propane cylinder is off. Then, you need to remove the safety cap. The regulator will have two male fixings on it. One of these screws into the propane bottle, the other screws into the rubber ... Start with a small stream, then increase the gas flow after the torch is lit. It’s much safer this way. 2. Place a striker underneath the gas nozzle to light the torch. Propane torches generally come with a lighting device called a striker. It’s a gun-shaped device with a trigger you can pull to spark a flame.The torch features a trigger-start ignition and an adjustable flame control knob. Flame control valve easily sizes flame and extinguishes when finished. Use only with propane fuel, such as the Bernzomatic 14.1 oz. Propane Hand Torch Cylinder. Versatile webbed flame completes a variety of household projects, including small diameter soldering ... Turn the valve on the propane tank to the right to make sure it’s securely closed. Turn the knob on the propane tank’s valve stem to the left. You should hear a soft hissing sound when you pull off the hose regulators.Bernzomatic propane torch won’t light properly. Clean or thaw the valve to fix. The valve on the tank it self could be blocked/frozen, but this is unlikely as you tried an alternate tank. Let the tank slowly warm up to room temperature to fix. The vent holes near the tip of the torch could be blocked, not allowing enough oxygen to mix with ...Mar 7, 2017 · The orifice on a berzomatic torch today is often combined with the sintered brass filter - the orifice is so small it is virtually invisible - no POSSIBLE way you could clean it with a wire.. It won't even pass liquid propane (and will often kill the flame if you tilt the torch so the head is below the level of liquid in the tank) Reply to. clare. Mar 22, 2020 · My Bernzomatic decided to stop working so I decided to see if I could fix it. Lighting in this vid is bad and I apologize! The basic soldering tool is a propane torch, which consists of a regulator and tip combination that you screw into the top of a small tank. To operate, open the fuel adjustment valve and light the tip. For lighting ease, we recommend the regulator that has a built-in igniter (above left). The gas lights at the push of a button.The VT 2-23 C propane torch is one of the most convenient to use items. It comes as a fully assembled product and is ready for use. This Red Dragon propane torch can be attached to any available refillable propane tank. However, I highly recommend you to go for the 20-pound cylinder with a hand-tighten tank fitting.The orifice on a berzomatic torch today is often combined with the sintered brass filter - the orifice is so small it is virtually invisible - no POSSIBLE way you could clean it with a wire.. It won't even pass liquid propane (and will often kill the flame if you tilt the torch so the head is below the level of liquid in the tank) Reply to. clare.Jul 15, 2022 · Steps to Attach the Burner Torch to a Propane Tank. The propane cylinder will come with a plastic screw cap for extra safety. Make sure the valve on the propane cylinder is off. Then, you need to remove the safety cap. The regulator will have two male fixings on it. One of these screws into the propane bottle, the other screws into the rubber ... If it is below -40F there will be no pressure for propane and it will remain a liquid with no evaporation, thus no vapors to burn. Having said this, I have a peculiar problem today and think I may be stuck in a dream right now. I have Four torches, two handheld tanks of propane, and two handheld tanks of mapp gas.When theses torches are inverted, the liquid propane works its way through the torch and extinguishes the flame. For work that requires inversion, we recommend a pressure-regulated torch, such as the TS3500 Multi-Use Torch or a cast body torch, such as the TS4000 , BZ4500HS , or TS8000 . If you don’t have a striker, you could light the torch using a match or lighter. Hold it underneath the torch valve nozzle so the tip of the flame comes into contact with the gas. Hold the lighter or sparker in front of the torch’s nozzle and activate it. Repetitively squeeze the handle until the torch lights.The basic soldering tool is a propane torch, which consists of a regulator and tip combination that you screw into the top of a small tank. To operate, open the fuel adjustment valve and light the tip. For lighting ease, we recommend the regulator that has a built-in igniter (above left). The gas lights at the push of a button.Feb 25, 2023 · Shut the top main valve on the propane tank by turning the valve in a clockwise direction. Place the open jaws of the crescent wrench over the large bolt of the tank’s gas regulator. This is located at the meeting point of the propane tank and the gas regulator. Use the thumbscrew to grip the jaws around the large nut. My Bernzomatic decided to stop working so I decided to see if I could fix it. Lighting in this vid is bad and I apologize!Map-Pro and Propane Gas Swivel Blow Torch with Trigger Ignition A 360 degree vertical swivel torch with trigger-start A 360 degree vertical swivel torch with trigger-start ignition provide easy, 1-hand accessibility to large diameter soldering, brazing and heat treating jobs in tight spaces. The optimized swirl flame provides hot, fast ...Most torches light better when the valve is just cracked open and there is a light gas flow. If your propane torch won’t light, take a look at the following steps for how to fix your torch. Troubleshooting The Igniter Step 1: Instant On/Off or Automatic Ignition. Open the valve of your fuel cylinder; Unscrew the torch tip Bernzomatic torches. I have a small BernzOmatic propane gas canister with a BernzOmatic torch head on it. The torch heads never seem to last very long. They don't last as long as the propane in the canister. It's a 400g or 14.1 oz canister. You would think the torch would last for the amount of gas in the can - it's not a big can - but this ...Never use this torch upside down. The propane cylinder contains gaseous and liquid propane. If the torch is moved rapidly, tilted too far to the side or upside down, the liquid can enter the valve and cause the flame to flare or extinguish. • Keep a fire extinguisher near where you are using the torch and where you store the torch.Shut the top main valve on the propane tank by turning the valve in a clockwise direction. Place the open jaws of the crescent wrench over the large bolt of the tank’s gas regulator. This is located at the meeting point of the propane tank and the gas regulator. Use the thumbscrew to grip the jaws around the large nut.Shut the top main valve on the propane tank by turning the valve in a clockwise direction. Place the open jaws of the crescent wrench over the large bolt of the tank’s gas regulator. This is located at the meeting point of the propane tank and the gas regulator. Use the thumbscrew to grip the jaws around the large nut.Jun 21, 2006 · The Gentech torch is a Chinese made knock off of the Smith Little Torch with all the attendant quality issues of most cheap Chinese goods. It sounds like the orifice in the tip may be a little too small for propane. While acetylene will burn in the smallest tips propane needs a slight larger tip to work. My Smith brand works with Oct 14, 2021 · The first step to fixing any igniter is to find the source of the issue. The first step will be to check if the igniter has any spark to it. This step is only applicable to those who have a self-igniting torch. But you will want to press on the button that typically ignites your gas line. When attached to a cylinder valve and tightened, the brass fitting will push the internal valve open and allow gas to flow out of the cylinder to the appliance, if the handwheel is in the open position. This fitting must be in place for gas to flow out of the cylinder. Otherwise, turning the handwheel will not produce the intended result. The process of cleaning a propane torch tip is a simple cycle. To wipe an obstruct out of a propane torch, you should eliminate the spout and bubble it in water. When it’s thoroughly heated up, the buildup in the light should emerge from its agreement. Take the spout out, let it dry, and afterward reattach it to your light to finish your de ...The basic soldering tool is a propane torch, which consists of a regulator and tip combination that you screw into the top of a small tank. To operate, open the fuel adjustment valve and light the tip. For lighting ease, we recommend the regulator that has a built-in igniter (above left). The gas lights at the push of a button.Pump a few 3-second bursts of butane into the lighter with the stem of the can inserted into the valve of the lighter. When the lighter is fully charged, butane will begin to leak out the stem and will not enter the lighter. Make sure the lighter isn’t overfilled. Stop adding butane as soon as it seems full.Oct 14, 2021 · While it may seem obvious, your propane torch will not work if it doesn’t have any fuel. Be sure that the fuel levels in your propane torch are at acceptable levels. If the fuel levels are full and the torch is still not functioning, that brings us to our last step. This torch is compatible with standard liquid propane cylinders including, 5 lbs., 10 lbs., 20 lbs., 30 lbs., 40 lbs. and 100 lbs. propane cylinders. The Flame King YSN500K Torch includes a 10 ft. hose rated at 350 psi, as well as a brass adjusting valve to control the flame.While these are popular, we recommend ensuring that the Handheld Torches you consider have the right mix of features and value. Some common features to consider are Type and Uses Propane. Lincoln Electric Heating Torch Kit #KH825-03; BernzOmatic Heating Propane Torch Kit (14.1-oz) #TS3500K; BernzOmatic Soldering Propane Torch Kit (14.1-oz) #361546Dec 5, 2022 · If the igniter is working, but the torch still won’t light, the problem may be with the nozzle. The nozzle is the part of the torch that controls the flow of propane. Hence, if the nozzle is clogged, the propane will not come out of the torch. To clean the nozzle, remove it from the propane torch and then use a wire brush to remove any dirt ... I am using it with O2 and propane using Gentech preset regulators. I turn the fuel on 1/8-1/4 turn, then try to light it. A flint lighter won’t light it. If I use a butane torch to try to light it, I will get a flame as long as the butane flame is in the fuel stream, but when I move the butane torch away the Little Torch won’t stay lit.Aug 15, 2004 · I use an old propane torch nozzle with a refrigeration fitting silver soldered on. The nozzles have a "check valve" to prevent reverse flow. It is on the tip and unscrews with ease. Turn the propane tank up side so liquid flows. Make an adapter to fit the 20 pound tank to a refrigeration hose fitting. Top Rated Butane Fuel. Turn the butane torch upside down so the refill inlet nozzle is visible. Insert the nozzle into the butane torch fuel canister and press the canister towards the torch and hold, the nozzle on the fuel canister will press in. This will allow the fuel to flow into the torch. Do this for 5 seconds or so.Jul 15, 2022 · Steps to Attach the Burner Torch to a Propane Tank. The propane cylinder will come with a plastic screw cap for extra safety. Make sure the valve on the propane cylinder is off. Then, you need to remove the safety cap. The regulator will have two male fixings on it. One of these screws into the propane bottle, the other screws into the rubber ... WT2301. The Bernzomatic® Utility Torch offers an adjustable, high-intensity webbed flame and hassle-free, trigger-start ignition. This torch is great for basic DIY repairs, light soldering or lighting grills. For optimal performance, use upright. The Utility Torch is compatible with Bernzomatic Propane fuel, sold separately. Step One: Check To See If Your Igniter Has A Spark The first step to fixing any igniter is to find the source of the issue. The first step will be to check if the igniter has any spark to it. This step is only applicable to those who have a self-igniting torch. But you will want to press on the button that typically ignites your gas line.FlameNSky Posts: 7. I finally bought a weedburner. I must be doing something wrong with it. Out of 20 attempts, only once did it fire as it should. Every other time it just has a small flame. (relatively speaking) I was hoping someone might have an idea as to what I am doing wrong. I did check to ensure the tank was full with good pressure and ... Very simple solution for propane bottle torch when it wont light. Never throw these away! This is the older TS4000 model. Very simple solution for propane bottle torch when it wont light. Never ...Jul 15, 2022 · If the torch does not light, the issue is due to damage to these components. Here are the reasons behind the abnormal working of a Bernzomatic propane torch. Improper Amount of Propane Gas. Start by observing the amount of fuel in the torch. Typically a hand-held propane torch requires a 20# propane cylinder. Step One: Check To See If Your Igniter Has A Spark The first step to fixing any igniter is to find the source of the issue. The first step will be to check if the igniter has any spark to it. This step is only applicable to those who have a self-igniting torch. But you will want to press on the button that typically ignites your gas line.There's a smaller, lighter colored flame, then, surrounding that, there is a larger flame, usually darker in color. You want the tip of that inner flame just a little bit away from the joint. That is the hottest part of the flame. If you engulf the whole fitting by having the torch too close, it won't get hot enough with propane.Butane torches and propane torches may operate similarly, but they’re not shaped the same. A propane torch has a head that curves inward, whereas a butane torch has a straight head. The propane torch is shaped this way so the flame can be concentrated closer to the material. The closer the flame is to the material, the more precise the torch ...Top Rated Butane Fuel. Turn the butane torch upside down so the refill inlet nozzle is visible. Insert the nozzle into the butane torch fuel canister and press the canister towards the torch and hold, the nozzle on the fuel canister will press in. This will allow the fuel to flow into the torch. Do this for 5 seconds or so.WT2301. The Bernzomatic® Utility Torch offers an adjustable, high-intensity webbed flame and hassle-free, trigger-start ignition. This torch is great for basic DIY repairs, light soldering or lighting grills. For optimal performance, use upright. The Utility Torch is compatible with Bernzomatic Propane fuel, sold separately. The backyard is overrun with weeds after recent rains. Pulling them by hand from the rock hard soil won't work and I don't want to usechemicals with all the ...Step One: Check To See If Your Igniter Has A Spark The first step to fixing any igniter is to find the source of the issue. The first step will be to check if the igniter has any spark to it. This step is only applicable to those who have a self-igniting torch. But you will want to press on the button that typically ignites your gas line.The longevity of your propane tank depends on the size of torch and propane tank. Most of our hand held torch kits require a 20# propane cylinder which will last from 45mins - 2 hours depending on a few different factors such as your torch kit size, outside air temperature, etc. The Mini Dragon™ operating on a 1# cylinder will last 1-2hrs. Never use this torch upside down. The propane cylinder contains gaseous and liquid propane. If the torch is moved rapidly, tilted too far to the side or upside down, the liquid can enter the valve and cause the flame to flare or extinguish. • Keep a fire extinguisher near where you are using the torch and where you store the torch. I am using it with O2 and propane using Gentech preset regulators. I turn the fuel on 1/8-1/4 turn, then try to light it. A flint lighter won’t light it. If I use a butane torch to try to light it, I will get a flame as long as the butane flame is in the fuel stream, but when I move the butane torch away the Little Torch won’t stay lit.Start with a small stream, then increase the gas flow after the torch is lit. It’s much safer this way. 2. Place a striker underneath the gas nozzle to light the torch. Propane torches generally come with a lighting device called a striker. It’s a gun-shaped device with a trigger you can pull to spark a flame.likely is not the torch. Two common mistakes made by beginners is to get the flame so close to the piece, or not keeping the torch at a 45 degree angle so that it burns all the oxygen out of the air and propane needs an exact amount to continue to burn. Even experienced people will slowly bring the back of the torch tank up which pointsJan 26, 2023 · When you have a propane torch that won’t stay lit (or doesn’t light at all), then there are multiple approaches you can take to fix the problem. Heads up! If you’ve tried everything and would just rather replace the torch, we recommend this FRCTL model from Amazon ( affiliate link ). Mar 22, 2020 · My Bernzomatic decided to stop working so I decided to see if I could fix it. Lighting in this vid is bad and I apologize! Re: Propane torch kit that works upside down. Author: vic (CA) The Lenox LT91 with adjustable flame or LT90 with on/off flame both work great upside down. It's self-Igniting, has cast aluminum body and to me a "perfect" torch. available:Nov 25, 2019 · MAPP gas torches burn hotter than propane, making them a better choice for modern solder. Five to 10 seconds of heating with a MAPP gas torch is all that’s required before you can feed solder into most 1/2- to 3/4-in. pipes and fittings. Be careful, though. It’s easier to overheat a joint with MAPP gas. If the flux turns black and the ... My Bernzomatic decided to stop working so I decided to see if I could fix it. Lighting in this vid is bad and I apologize!This propane torch has a turbo-blast trigger, making it perfect for controlling weeds or clearing ice from sidewalks and driveways. The torch generates temperatures over 3000º F with ease when you connect this torch to any standard 20 lb. propane tank. This is a great propane torch for small jobs that need a powerful flame. Find Product Documentation. Hand Torches and Torch Kits. Utility Lighters. Fuel Cylinders. Brazing & Welding Rods. Accessories.Map-Pro and Propane Gas Swivel Blow Torch with Trigger Ignition A 360 degree vertical swivel torch with trigger-start A 360 degree vertical swivel torch with trigger-start ignition provide easy, 1-hand accessibility to large diameter soldering, brazing and heat treating jobs in tight spaces. The optimized swirl flame provides hot, fast ... My Bernzomatic decided to stop working so I decided to see if I could fix it. Lighting in this vid is bad and I apologize!The backyard is overrun with weeds after recent rains. Pulling them by hand from the rock hard soil won't work and I don't want to usechemicals with all the ...My MagTorch brand self igniting propane torch started leaking propane inside the handle. In this video I take it apart, quickly discuss how it works and how...Re: Propane torch kit that works upside down. Author: vic (CA) The Lenox LT91 with adjustable flame or LT90 with on/off flame both work great upside down. It's self-Igniting, has cast aluminum body and to me a "perfect" torch. available:When theses torches are inverted, the liquid propane works its way through the torch and extinguishes the flame. For work that requires inversion, we recommend a pressure-regulated torch, such as the TS3500 Multi-Use Torch or a cast body torch, such as the TS4000, BZ4500HS, or TS8000.Some propane torches require a high-pressure regulator, while others require low-pressure regulators. There are also adjustable pressure regulators that help calibrate gas pressure as needed. All propane regulators do not have the same roles. While some are good for high-temperature brazing, others are good for low-temperature welding.Most torches light better when the valve is just cracked open and there is a light gas flow. If your propane torch won’t light, take a look at the following steps for how to fix your torch. Troubleshooting The Igniter Step 1: Instant On/Off or Automatic Ignition. Open the valve of your fuel cylinder; Unscrew the torch tip Step 1 Turn the gas-release valve to the left to lock the opening up. This prevents any propane from escaping. Video of the Day Step 2 Clean off the opening on the propane torch with a soft, damp cloth. This removes any residue from the torch, ensuring the propane has a clear air-flow. Step 3 Turn the gas release valve to the right.The process of cleaning a propane torch tip is a simple cycle. To wipe an obstruct out of a propane torch, you should eliminate the spout and bubble it in water. When it’s thoroughly heated up, the buildup in the light should emerge from its agreement. Take the spout out, let it dry, and afterward reattach it to your light to finish your de ...The torch features a trigger-start ignition and an adjustable flame control knob. Flame control valve easily sizes flame and extinguishes when finished. Use only with propane fuel, such as the Bernzomatic 14.1 oz. Propane Hand Torch Cylinder. Versatile webbed flame completes a variety of household projects, including small diameter soldering ...

Jul 10, 2022 · The VT 2-23 C propane torch is one of the most convenient to use items. It comes as a fully assembled product and is ready for use. This Red Dragon propane torch can be attached to any available refillable propane tank. However, I highly recommend you to go for the 20-pound cylinder with a hand-tighten tank fitting. . Post master

Weak Flame If your propane torch lights, but the flame is weak, first make sure that your fuel tank is not low. Replace the tank with another full fuel tank and see if the issue persists. If the flame is still weak on a full fuel tank, try cleaning the burn tube.Steps to Attach the Burner Torch to a Propane Tank. The propane cylinder will come with a plastic screw cap for extra safety. Make sure the valve on the propane cylinder is off. Then, you need to remove the safety cap. The regulator will have two male fixings on it. One of these screws into the propane bottle, the other screws into the rubber ...Bernzomatic Torch Repair Parts – A Troubleshooting Guideline. April 14, 2023 by Terry A Hankins. Among the popular brazing torches, the bernzomatic torch is one of the best because of its durability and self-ignition capacity. It is suitable for professionals and at-home DIY projects as these torches are usually very long-lasting.The VT 2-23 C propane torch is one of the most convenient to use items. It comes as a fully assembled product and is ready for use. This Red Dragon propane torch can be attached to any available refillable propane tank. However, I highly recommend you to go for the 20-pound cylinder with a hand-tighten tank fitting.BernzOmatic Soldering Propane Torch Kit (14.1-oz) A multi-purpose propane torch designed for a variety of household projects including small diameter soldering, thawing, melting and heat application. The torch features a trigger-start ignition and an adjustable flame control knob. Kit includes a 14.1 oz. propane-filled cylinder. View MoreMAPP gas torches burn hotter than propane, making them a better choice for modern solder. Five to 10 seconds of heating with a MAPP gas torch is all that’s required before you can feed solder into most 1/2- to 3/4-in. pipes and fittings. Be careful, though. It’s easier to overheat a joint with MAPP gas. If the flux turns black and the ...Very simple solution for propane bottle torch when it wont light. Never throw these away! This is the older TS4000 model. Very simple solution for propane bottle torch when it wont light. Never ...Try using a propane torch to melt gold. As noted before, you must be extremely careful about safety concerns if you are going to use a torch. However, a torch will melt gold within a few minutes. The gold should be placed into a crucible. Then, put the crucible on a fireproof surface, and direct a torch toward the gold within the crucible.My MagTorch brand self igniting propane torch started leaking propane inside the handle. In this video I take it apart, quickly discuss how it works and how...Map-Pro and Propane Gas Swivel Blow Torch with Trigger Ignition A 360 degree vertical swivel torch with trigger-start A 360 degree vertical swivel torch with trigger-start ignition provide easy, 1-hand accessibility to large diameter soldering, brazing and heat treating jobs in tight spaces. The optimized swirl flame provides hot, fast ...Aug 29, 2021 · If you don’t have a striker, you could light the torch using a match or lighter. Hold it underneath the torch valve nozzle so the tip of the flame comes into contact with the gas. Hold the lighter or sparker in front of the torch’s nozzle and activate it. Repetitively squeeze the handle until the torch lights. Turn the valve on the propane tank to the right to make sure it’s securely closed. Turn the knob on the propane tank’s valve stem to the left. You should hear a soft hissing sound when you pull off the hose regulators.WT2301. The Bernzomatic® Utility Torch offers an adjustable, high-intensity webbed flame and hassle-free, trigger-start ignition. This torch is great for basic DIY repairs, light soldering or lighting grills. For optimal performance, use upright. The Utility Torch is compatible with Bernzomatic Propane fuel, sold separately. Jul 10, 2022 · The VT 2-23 C propane torch is one of the most convenient to use items. It comes as a fully assembled product and is ready for use. This Red Dragon propane torch can be attached to any available refillable propane tank. However, I highly recommend you to go for the 20-pound cylinder with a hand-tighten tank fitting. WT2301. The Bernzomatic® Utility Torch offers an adjustable, high-intensity webbed flame and hassle-free, trigger-start ignition. This torch is great for basic DIY repairs, light soldering or lighting grills. For optimal performance, use upright. The Utility Torch is compatible with Bernzomatic Propane fuel, sold separately. May 7, 2009 · Bernzomatic torches. I have a small BernzOmatic propane gas canister with a BernzOmatic torch head on it. The torch heads never seem to last very long. They don't last as long as the propane in the canister. It's a 400g or 14.1 oz canister. You would think the torch would last for the amount of gas in the can - it's not a big can - but this ... Nov 5, 2017 · The Mag-Torch MT525 self-lighting propane torch creates a high intensity triple point flame for general heating applications. The adjustable flame knob allows for flame control and fuel economy. Self-lighting. Triple point flame for high heat. Fuel control knob allows for easy on/off. Constructed with a brass valve. Bernzomatic propane torch won’t light properly. Clean or thaw the valve to fix. The valve on the tank it self could be blocked/frozen, but this is unlikely as you tried an alternate tank. Let the tank slowly warm up to room temperature to fix. The vent holes near the tip of the torch could be blocked, not allowing enough oxygen to mix with ....

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