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4hv.org :: Forums :: General Science and Electronics
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This scares me abit

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ubuntupokemoninc
Fri Jan 14 2011, 02:32AM Print
ubuntupokemoninc Banned on 1/22/2011 for repeated rule violations after multiple warnings.
Registered Member #3299 Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
Link2

go to the very most bottom of the page, and you will see what i mean.

I need to make sure i don't accidentally do this!
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Coronafix
Fri Jan 14 2011, 07:56AM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
Just make sure your design allows for flexibility, his didn't.
He had the base of the tube bolted to the plexy, then the buss bars screwed to the plexy also. When he tightened the clamp, it had no play and cracked the tube.
Good luck!
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ubuntupokemoninc
Fri Jan 14 2011, 10:16PM
ubuntupokemoninc Banned on 1/22/2011 for repeated rule violations after multiple warnings.
Registered Member #3299 Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
this is my plan. what do you think?

pretty good for ms paint wink
2
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Robert2
Sat Jan 15 2011, 07:41AM
Robert2 Registered Member #1773 Joined: Tue Oct 21 2008, 06:56PM
Location: Poland
Posts: 93
Its my idea
2
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Conundrum
Sat Jan 15 2011, 07:57AM
Conundrum Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061
ouch, that sucks for the poor guy, those tubes are expensive!!

-A
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Coronafix
Sat Jan 15 2011, 08:25AM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
I don't think alligator clips are going to cut it.
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ubuntupokemoninc
Sat Jan 15 2011, 03:04PM
ubuntupokemoninc Banned on 1/22/2011 for repeated rule violations after multiple warnings.
Registered Member #3299 Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
I could use something like they use a car battery connector only a little smaller?

thanks for doctoring my design wink
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Mads Barnkob
Sat Jan 15 2011, 04:22PM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
ubuntupokemoninc wrote ...

I could use something like they use a car battery connector only a little smaller?

thanks for doctoring my design wink

You can jump start a car with such clips since its for a very short period and when charging a battery you are nowhere near the starter engine load.

That tube draws 20 -27A continues and will need some proper connections, just make them flexible with copper strap, flex or several thinner wires in parallel connected between the clamp on the legs and source :)
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Martin King
Sat Jan 15 2011, 07:07PM
Martin King Registered Member #3040 Joined: Tue Jul 27 2010, 03:15PM
Location: South of London. UK
Posts: 237
Coronafix wrote ...

Just make sure your design allows for flexibility, his didn't.

Agreed, look at the design of a lot of sockets (and plugs) and note the fact that they allow they often allow the pins to "float" to allow for self alignment. Where he mounted the Ali bars to the Plexiglass he should have drilled the holes for the mounting screws oversize and then not done the screws up tightly (and probably put washers between the screws and the Plexiglass). Mind you, you also need to check whether the Plexiglass can take the heat that it will be exposed to. A thick Paxolin sheet may be better? But I don't know much about these tubes.

Martin.
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ubuntupokemoninc
Sun Jan 16 2011, 04:48AM
ubuntupokemoninc Banned on 1/22/2011 for repeated rule violations after multiple warnings.
Registered Member #3299 Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
what if i blew the air threw it instead of sucking?
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