Q. At the beginning of working with the ER1200, the flame had a blue/transparent color. After some breaks the flame color was yellow. Is that normal?
Q. The flame doesn't have a blue color, what's wrong?
A. The flame will only have a blue color if the hoses and torch, (particularly the tip), are absolutely clean. Otherwise it takes on the color of the impurities. A flame will color with trace impurities. The impurities do not affect the ability of the flame to do work. The impurities are usually a good thing, because they cause the flame to become visible.
Q. Do we need goggles when using the ER1200 up to 5 hours / day?
Q. How do I adjust the flame -- size, length, etc.?
A. Choose appropriate tip for gas volume and 'fine tune' adjust with the torch handle valve.
Q. Is it possible to adjust the flame if I need a "bushy" flame?
A. The flame can be 'spread' by waving it around or by using a 'slotted' orifice tip or by using a multi-orifice tip. The 'key' consideration is that the BG must be coming out of the tip orifice faster than the flame is burning back to the orifice.
Q. Does BG explode or implode when burned?
A. BG in an enclosed area will explode, then implode. In an enclosed area, it requires a very exact situation (nearly impossible to achieve) to implode without an initial explosion. In an enclosed area, the 'burn' goes to detonation velocities (explosion about 5000 meters/sec). During the 'burn' or explosion, the BG turns back into water; with a net reduction in volume of 1860 times. The near instant volume reduction causes a vacuum so fast that we label it an 'implosion'. The net result of the explosion-implosion is a vacuum.
BG burning in open air (exposed flame) burns at 'burn velocity' of about 7 meters/sec. Since the net result of BG burning is a vacuum, you have a long narrow flame (it makes a tunnel in the air). As long as the gas is coming out of the torch faster than the flame is burning back to the torch, the flame won't go into the torch. If the flame goes into the torch, it will be in an enclosed area and the burn will accelerate to detonation velocities; resulting in a 'bang' (explosion) which we call a backfire.
The ERXXXX WaterTorches are designed to safely withstand backfires but any explosion is stressful. It is a good idea to use a bubbler so that backfires do not reach the WaterTorch.
Q. How hot is the flame?
A. It is not 'hot' in a radiant heat sense. I can wave my hand through the flame. It has a very high and laser-like energy. It will melt nearly any material on earth. It puts an 'electrical' energy (in addition to heat energy) into the material, then the material heats up as it tries to get rid of the excess energy.
Q. Can Brown's Gas heat my home?
A. It is not practical to use Brown's Gas as a direct heating fuel because it takes electricity to make Brown's Gas and you could use the electricity to directly heat your home with an inexpensive electric element.
The only practical way to use Brown's Gas to heat is to use it to enhance the combustion of carbon based fuel. Brown's Gas acts as a catalyst to lower the flames 'self-propagation' endothermic energy. This allows more of the flames potential heat of combustion energy to show up as exothermic energy. Brown's Gas makes the flame hotter.
Q. What temperature range does this torch produce in Fahrenheit?
A. It radiates heat at about 274°F. BG's powerful laser-like flame doesn't radiate much heat, because it is more 'electrical' in nature. It will heat and melt nearly any material on earth. It is 'hotter' than acetylene and its temperature can be modified several different ways.
Q. What PSI level should the ER1200 be operated at?
A. Do NOT operate the torch at high pressures, it is not designed for it. If you have a backfire in the machine it will be permanently damaged.
8 PSI is an adequate pressure for any torch that is designed to handle the gas volume the ER1200 produces. More gas pressure DOES NOT mean higher gas production volume.
NOTE: Torch pressures higher than 10 PSI MUST be run through a bubbler to prevent backfire damage. Do NOT EVER exceed 20 PSI for any reason.
Q. After 10 seconds of cutting steel with the ER1200, the pressure of the gas went down to 5 PSI. What happened?
A. You were using more gas volume than the machine was producing. To be sure the ER1200 is actually producing 1200 liters per hour, test the gas volume using the water displacement technique described in the Brown's Gas Book 2.
Q. Does the machine have an over-pressure relief valve or backup/shutdown of any type?
A. The machine is designed so that a hose will slide off a tube and vent the machine if the pressure rises too high. The resulting volume of gas is insufficient to make a combustible mixture in rooms with even minimal venting.
If the ER1200 continues to operate unattended, it will run out of water and have an internal meltdown. This will cause a short that will pop your fuse or circuit breaker and render the WaterTorch permanently inoperable. We call this operator error and it is not covered under warranty.
The B version ER1200 WaterTorches have an internal float switch to prevent the electrolyzer from running out of water. The machine automatically shuts off if the water level is too low.
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