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Yull Brown, in his sales literature for the BN 1000, (ExtraOrdinary Science issue OCT/NOV/DEC, 1993, page 20) specifies:

Gas Production : (L/h) 1,000
Operating Pressure
(Mpa) 0.45 (about 65 psi)
Power Supply Voltage (V) 220 (I assume 220 VAC)
Maximum Input Power (kW) 3.3
Max. Water Consumption
(L/h) 0.55
(Kg) 200 (about 440.8 lbs)
Cost retail $5,500 (direct from Yull Brown, is now much higher from Dennis Lee).   The BN 1000E is one of a series of Water Torches built by the Chinese after they invited Yull Brown to their country to research his technology.

Dennis Lee of Better World Technologies is promoting this electrolyzer series. He aquired the 'rights' to it by partnering up with Yull Brown and then negotiating directly with the Chinese to bypass Yull Brown. Yull Brown died pennyless.test of BN 1000E

Now, we have had the opportunity to actually test a BN 1000E, bought directly from Yull Brown himself.

First I'll give you the direct test results for the BN 1000E.

Then I'll give you the data on the electrolyzer YOU can build from Eagle-Research's Brown's Gas books . You'll see some differences.

(you'll see how you can BUILD a better electrolyzer than you can BUY, and for a fraction of the cost).


Gas Production (L/h) 900 (we could not get 1,000 L/h)
Operating Pressure (Mpa) 0.06 (about 8 psi, obviously something wrong with the pressure controls. The digital readout would go to 0.6 Mp (87 psi) but the actual pressure measured only 8 psi (0.06 Mp))
Power Supply Voltage
(V) 235 (VAC)
Maximum Input Power
(kW) 4.9
Max. Water Consumption
(L/h) 0.38 (Lesser water consumed because only 900 L/h produced)
(Kg) 225 (about 495.9 lbs)
$5,500 USD direct from Yull Brown. (note: prices subject to change depending on dealer)

Note:Yull Brown's own specifications show inconsistency. I further note that all the above figures that we tested and found to be true, I later noticed that the original specifications had been changed (to our figures) by hand written notes in the BN 1000E operating manual. I was told that Yull Brown himself wrote those notes when the electrolyzer was sold to Ben & Co.

Eagle-Research Has Built a 1,000 L/h Electrolyzer With the Following Specifications: You Can Do It Too!
Gas Production: (L/h) 1,000 (can go to 3000 L/h)
Operating Pressure (Mpa) 0.45 (operate between 65 and 70 psi)
Maximum Input Power (kW) 3.3
Max. Water Consumption (L/h) 0.42
all components (Kg) 125 (about 275.5 lbs)
about $1,000; home built, using surplus parts.

Note: We have now developed our ER 1150 Water Torch, which will be 'store bought' for those people who don't want to build their own Brown's Gas electrolyzer. The ER 1150 Water Torch is even smaller, lighter and more efficient than the 'home built' specifications above. The price is higher though, we're selling for a bit more than the current retail price of the BN 1000E. Current price on BN series machines can be aquired at the web addresses (Dennis Lee distributors) on my Brown's Gas links page.

Further Notes On Testing the BN 1000E
This report is by George Wiseman, intended for public release to increase the awareness for buyers and operators of BN 1000E Brown's Gas machines. I have found the instruction Manual to be inadiquate for safe operation of the machine.

I (George Wiseman) have fully and independently duplicated the technology needed to create Brown's Gas and this is the first time I will have been able to operate a "commercial" Brown's Gas machine ('store bought' as we'd say back on the farm). I am uniquely qualified to test this BN 1000E, having independently duplicated the technology from scratch, I know what I'm looking at, what should be there and what should not be there.

Kiel Schweizer and I arrived at Ben Missler's shop (7402 SW Macadam, Portland, Oregon), May 18, 97 at 1:PM. Ben Missler and Gary Robinson were there.

We talked, had lunch, set up some equipment and started examining the BN 1000E. After getting somewhat familiar with it (and having read the cryptic operation instructions), we fired it up and figured out the controls. We had a backfire (not really loud) when I was shutting off the torch. We saw the flash in the clear tubes (plastic).

Note: The China torch is (in my opinion) really rinky-dink. The tip would be nearly impossible to clean and it has a knob to add oxygen instead of a lever (it would be hard to hold the torch still while twisting the oxygen knob to begin your cut). I recommend changing the torch to an American model. I use a Victor 100C on my electrolyzer in my shop. For our tests of the BN 1000E we used (after initially trying the China torch) my Victor 100C. Fittings to adapt the BN 1000E hose to the American standard are available in most welding supply stores.

Note: Main power in wiring code is Brown and White Power (240 AC) and purple is neutral (note, BN 1000E manual has different colored wires). Neutral is hooked to the electrolyzer full wave bridge rectifier heat sink bracket, which is grounded to the entire frame of the machine. There is a 30 amp main relay that most of the electrolyzer power goes through (there is a small pair of wires that routes 240 VAC directly to the electronics (has smaller transformer dedicated to the electronics), so the ON button can activate the relay coil.

All the main transformer power (one lead of the 240 AC from the main relay) goes through what seems to be an SCR; which seems to be controlled by the electronics.

The main transformer drops the AC voltage from 240 AC to about 24 VAC, which is then rectified by huge diodes in a full wave rectifier set up. These diodes are mounted on a heat sink that is cooled by a large fan. The fan turns on as soon as the main relay is turned on and stays on till the main relay is shut off (main power to machine is shut off).

There are six tubes mounted transversely in the bottom of the box; they are about four inches in diameter and 17 inches long. Each tube has TWO "short cells" mounted in it; welded together in the middle. Thus the six tubes are each two cells; and the electrolyzer consists of TWELVE cells. All twelve cells are connected on the top with a hose (left and right) and on the bottom with a hose (left and right). These hoses seem to be there to allow the electrolyte solution and the gas to separate properly, yet keep the cells as full as possible of electrolyte.

All four cell hoses go up to the first transverse container, that I'd call a liquid-vapor separator. The two hoses from the top of the cells go to the mid level of the liquid vapor separator (on the left and right) and the two bottom hoses from the cells go to the bottom of the liquid vapor separator (left and right). The liquid-vapor separator is about four inches in diameter and 17 inches long; it is located at the back of the machine just above the end cell.

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