[jnewman]

Theoretically it should mostly throw things away from you - you punch a hole in the end closest to you. Air whooshes into the tube from the side you're on very very quickly, pushing a bunch of stuff in front of it. Stuff explodes out the far end of the tube away from you.

 

[kevin gilmore]

Yes you would absolutely think that would be true. But it is not the
case. Once it was explained to me, but i don't remember. The rear
bell actually shears away from the frit seal and thats what causes the
bell to move forward. The mass of the electron gun assembly does the
rest. You do have to remove the deflection coils otherwise it does not
work right.

 

[DCameronMauch]

Here is the service manual for the KV-40XBR700. It has everything anyone could possibly want to know about that TV. Parts list, schematics, hidden menus, etc...

 

[sanaka]

I built this:

Broom handle, copper bar hammered and filed to a screwdriver tip, awg6 stranded wire soldered on, it's far end tinned then filed to a friction fit in the ground slot of a wall outlet.

This TV's chassis is a marvel of plastic molding.

Only metal to speak of is kind of a clamp going around the front of the tube that also bolts into the plastic. Is this where to ground to? The only strap across the bottom of the tube is the little thin braided one you can see here. I don't have a very big clamp to terminate the 'magic wand' with - just a medium small alligator clip. It would be easier to just use the wall outlet's ground. Real earth no good?

Thanks!

Peace,
Sanaka

P.S. Kevin I watched your 'Making Water' video. It seemed dramatic and cool but I couldn't really see what was going on. I could understand 'Destroying Water' if you were electrolysing it and igniting the hydrogen... what was that?

 

[sanaka]

DCameron - I'm timing out when trying your link. Probably a temporary glitch, I'll try later. That's very generous of you to offer that, thanks!

Peace,
Sanaka

 

[Voodoochile]

Quote:

Originally Posted by flecom make sure to wear safety googles and clench your arse cheecks really hard

That's a good idea! Maybe bring a spare pair of underwear, with instroctions for the EMTs to change them before transporting you.

 

[KYTGuy]

Do the short to ground more than once, or hit it and leave it connected for a few minutes, as the tube still has some charge within - like a lot of HV devices, it can be shorted to ground for a second or so, then with the migration of electrons from out of the insulation and other structure, will build a (smaller) charge to discharge through the next available path...

I, too used to throw rocks/shoot tubes...the implosions could be pretty amaziing. The shot or rock propogates cracks in the glass, the structure fails faster than the glass (now shards) can accelerate and the vacuum causes the glass to all head to the middle, and then to pass through the incoming opposite side's also incoming glass, thoroughly shrapnelling the stuff. Do it inside a room, and the floor and ceiling, and the walls will have sharp shards embedded, if you started with a big tube, bare...

 

[DCameronMauch]

Has anyone been able to retrieve that service manual?

 

[gaboo]

You site is slash... err, headfied.

 

[sanaka]

Sorry DCameronMauch, still timing out on your link, even if I type it, or variations of the URL, pasted into a new window. True in both Firefox and IE.

Peace,
Sanaka

 

[Alick]

Another worthwhile safety precaution when working on anything mains powered is to hang the mains lead so the connector is in your line of sight when working. That way, you're certain no-one has plugged it in...

 

[DCameronMauch]

Try this:

http://www.douglas-cameron.net/headamp/40XBR700.pdf

 

[sanaka]

Sorry Doug, still no linky. Thanks for offering though.

Could you possibly email it?

Peace,
Sanaka

 

[DCameronMauch]

Dang it. My bad. Looks like I had an error in my firewall configuration. Should be available now. Please try again. Sorry...

 

[sanaka]

Doug: Joy in Download Land! Thanks!

Peace,
Sanaka