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real world mass transfer problem
You must mean solder on the pipes, right? Because if it was the electrical connections that were imm ... |
31-7-2008 at 14:24
by: Twospoons |
If water absorbs infrared, how come pools don't get hotter?
Water only absorbs IR in narrow bands - the total energy in these narrow bands is not much compared ... |
31-7-2008 at 14:18
by: Twospoons |
a thought....
N-stages x input voltage is correct, but with the limitation that the input voltage must be less th ... |
30-7-2008 at 17:10
by: Twospoons |
a thought....
When I saw "inch thick layer" and "fused silica" I thought you'll never punch through that with 60kV ... |
30-7-2008 at 14:09
by: Twospoons |
Vacuum controlled spark gap
A swinging cascade is another from of triggered gap you might consider. A little simpler than IrC's ... |
23-7-2008 at 20:21
by: Twospoons |
Electric motor driven alternators for high amp 6V current..
The LF noise was not the problem. It was the harmonics and diode switching noise extending way up t ... |
22-7-2008 at 15:09
by: Twospoons |
Electric motor driven alternators for high amp 6V current..
[quote][i]Originally posted by len1[/i]
I suggest people put their car lights on full - so the al ... |
22-7-2008 at 14:24
by: Twospoons |
Electric motor driven alternators for high amp 6V current..
[quote][i]Originally posted by len1[/i]
Its hard to get a 0.7 Farad capacitor - and one that will ... |
21-7-2008 at 20:07
by: Twospoons |
Electric motor driven alternators for high amp 6V current..
The filament tfr and MOT suggestions were just for cheap quick solutions. If you want to get serious ... |
21-7-2008 at 18:36
by: Twospoons |
Electric motor driven alternators for high amp 6V current..
It would be far easier just to use a plain old mains transformer. If you can, find one of the old f ... |
21-7-2008 at 14:42
by: Twospoons |
Vacuum controlled spark gap
Look up "Paschen's Law" which will give you breakdown voltage vs pressure. If you set up your gap t ... |
20-7-2008 at 14:55
by: Twospoons |
Mars lander Phoenix
You could even use the moon as a giant catchers mitt! Makes the long range shot a little less criti ... |
30-6-2008 at 17:40
by: Twospoons |
Mars lander Phoenix
Oh, I agree it would be massive, and expensive to build, but not beyond current technology. Once in ... |
24-6-2008 at 19:17
by: Twospoons |
Copper plating stainless steel...
Copper is supposed to destroy sulphur compounds resulting from fermentation, which produce 'off' fla ... |
24-6-2008 at 18:53
by: Twospoons |
Mars lander Phoenix
[quote][i]Originally posted by MagicJigPipe[/i]
Now, if only we had the technology to push that m ... |
23-6-2008 at 21:43
by: Twospoons |
Boric acid as a pesticide
Beer is probably a better bait for roaches. IIRC old roach traps were meant to be filled with beer, ... |
23-6-2008 at 13:56
by: Twospoons |
Mars lander Phoenix
That must have been a hell of a sight, Sauron. I envy you. |
25-5-2008 at 20:59
by: Twospoons |
Electrochemical ozone generation
[quote][i]Originally posted by Natures Natrium[/i]
However, it also says that doesnt include ... |
15-5-2008 at 19:16
by: Twospoons |
PVD at home
[quote][i]Originally posted by Baphomet[/i]
Now I just need to figure out how to get the power cabl ... |
13-5-2008 at 15:39
by: Twospoons |
PVD at home
What do you want to deposit?
Instead of a crucible and arc electrodes you could use a tungsten or t ... |
12-5-2008 at 22:19
by: Twospoons |
Catalytic burner for wood stove
All I want is as much warmth as possible from my pile of wood - its all got to be cut, split and car ... |
11-5-2008 at 21:46
by: Twospoons |
Catalytic burner for wood stove
Mmm, well a fan-forced furnace in the living room might be a bit much. I fire I've got is very good ... |
11-5-2008 at 19:41
by: Twospoons |
Catalytic burner for wood stove
Thanks Leu - your second link led me to http://www.appliedceramics.com/ . Exactly what I had in min ... |
11-5-2008 at 16:43
by: Twospoons |
Catalytic burner for wood stove
I have a wood fired stove for heating - one of the fancy ones with a glass door, and recirculating a ... |
11-5-2008 at 14:52
by: Twospoons |
New synthesis of Ethanol
I'll second Sauron's link - some excellent info there that I've used to great effect. Building an a ... |
7-5-2008 at 15:08
by: Twospoons |
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