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Tube powered metronome

 
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ghobii



Joined: 10 Jan 2010
Posts: 1372
Location: Phila., PA.

PostPosted: Sun Aug 15, 2010 9:48 pm    Post subject: Tube powered metronome Reply with quote

I couldn't believe it, so I had to buy it. What a steampunk kinda way to tap out a beat. I looked up the tube number and found out it's a thryatron, meaning it's gas filled. It is apparently being used as a relay.
I've never poked around inside anything with a tube but I know about the capacitors capability to hold a deadly charge. And I'm not too crazy about the looks of those 2 especially. To discharge them I can just use a screwdriver and short the cap lead to the case?
The timing doesn't seem to be accurate, at lower speeds it's close but picks up way too much speed as you turn it up. Is there an easy fix for that?




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TresM (Sir)



Joined: 02 Aug 2009
Posts: 472
Location: South Carolina - Humidity Central

PostPosted: Sun Aug 15, 2010 10:08 pm    Post subject: Reply with quote

I am by no means an expert, but those caps look like they REALLY need to be replaced.


I have seen blown caps, but never anything like that lol
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RayRay



Joined: 17 Feb 2008
Posts: 5304
Location: Colorado

PostPosted: Mon Aug 16, 2010 10:12 am    Post subject: Reply with quote

I can't answer your question but it makes me think of when I was a mechanic in the old days when cars still had points and condensers. People just couldn't keep their hands to themselves...Somebody was ALWAYS moving stuff on your bench...so one way to find out who it was ...was to charge up a condenser and leave it laying on your bench...then if you came back and found it laying in a different place or on the floor (Usually) all you had to do was look for the guy who had wet his pants to find the culprit! HAHAHAHAHAHAHAHAHA.... Rolling Eyes
I know, I'm sick, don't get in there and get hurt... Wink
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Thumposaurus



Joined: 05 Dec 2004
Posts: 1563
Location: Front Royal Va

PostPosted: Mon Aug 16, 2010 1:30 pm    Post subject: Reply with quote

Those caps look like they were thrown in a deep fryer.
They look like cannoli shells. Razz
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Travst



Joined: 15 Jul 2008
Posts: 9535
Location: Birmingham, AL

PostPosted: Mon Aug 16, 2010 1:35 pm    Post subject: Reply with quote

I think they look like the leper on the island in "Papillon". Shocked
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Structo



Joined: 21 Nov 2004
Posts: 26415
Location: Salem, OR

PostPosted: Tue Aug 17, 2010 9:56 am    Post subject: Reply with quote

I'd leave it alone.

Cool little device.
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