Alan Smith
  • Romford
  • United Kingdom
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Alan Smith replied to gabet123's discussion 'Harlo Mayne and Maynex'
"Hi Gabe. I see this is purely chemical. Biggest problem as I see it is not how you start the Al+NaOH reaction, but how you stop it once begun. That and disposing of the sodium aluminate waste product."
Jul 25
Alan Smith replied to gabet123's discussion 'Howard Phillips Ace Cell'
"Yes, mild steel plates. I'm afraid I don't have any data worth a damn for this beyomd 'it works ok - It was done as a feasibility study and also to assist Martin with his H-Brifge tests., and scrapped dureng the summer."
Dec 17, 2017
Alan Smith replied to gabet123's discussion 'Howard Phillips Ace Cell'
"Actually found a picture of the plate-stack we we used. Only the outer pair are live, the inner ones are all 'floating'"
Dec 15, 2017
Alan Smith replied to gabet123's discussion 'Howard Phillips Ace Cell'
"@marc. There is one possible factor which can intrude if the electrode spacing is under 3mm (1/8in) or so. If the cell is left standing for some time whiskering between plates and also the trapping of clots of iron hydroxide can mean you get…"
Dec 15, 2017
Alan Smith replied to Edward Murray's discussion 'How to get in the field?'
"What field? Technical sipport engineers work in every field imaginable. If you want to work in the hydrogen field, wait another 10 years and there may be jobs- right now it is a tiny niche area. Start thinking about qualifications in chemical…"
Dec 10, 2017
Alan Smith replied to gabet123's discussion 'Should HODINFO continue?'
"You don't escape so easily young Gabet123. The HOD force is stronger than your petty Earthman wishes!"
Nov 15, 2017
Alan Smith replied to gabet123's discussion 'Howard Phillips Ace Cell'
"Hi Thomas. The problem would be that HHO systems require DC, even pulsed DC which is what a standard Pulse Width Modulator produces. The H-Bridge produces square-wave AC., so less than ideal. You could use such an AC system with blocking diodes to…"
Nov 15, 2017
Alan Smith replied to gabet123's discussion 'Howard Phillips Ace Cell'
"BTW, I have a few more of the H-Bridge printed circuit boards that Martin mentions (and pictures) above. If anybody would like one to build then email me at  lubetkin1934 (AT) yahoo.co.uk."
Nov 15, 2017
Alan Smith replied to gabet123's discussion 'Howard Phillips Ace Cell'
"As you can see from the scopeshot above, Martin's method does produce a clean square wave with a very easily adjustable mark/space ration and can produce frequencies between 1-2 Hz. and at least 1000 Hz. Simple and inexpensive. "
Nov 15, 2017
Alan Smith replied to gabet123's discussion 'Howard Phillips Ace Cell'
Nov 15, 2017
Stuart Kinley and Alan Smith are now friends
Oct 8, 2017

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What is your HOD level of experience?
Intermediate Builder
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http://www.lookingforheat.com
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Orbolondon Alan Smith
What do you do for a living or have special education in?
Privately funded researcher
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Active builder

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". enough clearance between the electrodes as I cell I found a fine slurry of cast iron had bridged the regards Dave"
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