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GS3 to led |
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Steve20131 
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Joined: 28 July 2013 Location: Northants Status: Offline Points: 411 |
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 Posted: 11 March 2018 at 9:17am |
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Hi when I get a chance I'll go through it and check around. I remember a guy converted some mini scans years ago very well. He used a home cnc to make a made to measure heatsink. Think it was just 100w chip..
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Steve20131
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Joined: 28 July 2013 Location: Northants Status: Offline Points: 411 |
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Posted: 11 March 2018 at 9:19am |
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For the scans I've also ordered another 500w chip but in warm white. I want to see any difference. (4000k). The lumens is still plenty
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IainB
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Joined: 25 November 2016 Location: Rushden Status: Offline Points: 422 |
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Posted: 12 March 2018 at 1:09pm |
I know who you are talking about, Ive jumped on his post over on the BlueRoom
 feeling a bit more comfortable about this now, though still WAY too many projects that im not making progress on! |
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monkeypuzzle
Young Croc 
Joined: 25 January 2005 Status: Offline Points: 924 |
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Posted: 13 March 2018 at 10:48pm |
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This thread is amazing, you are doing a sterling job there and making me really regret selling my Stage Scans all those years ago, full cmy with an LED chip would be really interesting to see. I do remember talking to someone that had a mate with a shipping container full of old Claypaky scans... I think it was out in Spain or Portugal though.
Actually, maybe I could do this to my Trackspots...... need to work out how to make the dimmer work as its electronic on them...
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blah blah blah blah blah......
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monkeypuzzle
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Joined: 25 January 2005 Status: Offline Points: 924 |
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Posted: 13 March 2018 at 10:51pm |
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Also, be interesting to know how much these things now weigh, never fun wrangling one at the top of a set of Zargees.
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blah blah blah blah blah......
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James Tengo
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Joined: 09 May 2008 Location: Brighton Status: Offline Points: 2155 |
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Posted: 14 March 2018 at 2:19am |
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Spigot and frotty or gtfo
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mini-mad
Old Croc
Joined: 13 July 2012 Location: london Status: Offline Points: 6903 |
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Posted: 14 March 2018 at 4:04am |
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If it sounds like a gorilla is trying to escape, turn it down.
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monkeypuzzle
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Joined: 25 January 2005 Status: Offline Points: 924 |
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Posted: 14 March 2018 at 12:33pm |
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Ha, I'd put those memories into a dark place along with single hand dragging one up a set of zargees on to the roof of Pontins for some Smirnoff branding at Southport Soul as the rain smashed down. Got to be lighter than that with an LED in them. Gosh I miss scanners, nothing beats the red and blue dichro gobos and there's never been a flat line or tunnel like the GS ones....
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blah blah blah blah blah......
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monkeypuzzle
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Posted: 16 March 2018 at 6:50pm |
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Steve, can you recommend an adhesive to stick LEDs to a heatsink? Something with a bit more solidity than just thermal compound?
Cheers.
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blah blah blah blah blah......
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mini-mad
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Joined: 13 July 2012 Location: london Status: Offline Points: 6903 |
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Posted: 16 March 2018 at 7:28pm |
Screws.... tapped. |
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If it sounds like a gorilla is trying to escape, turn it down.
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monkeypuzzle
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Joined: 25 January 2005 Status: Offline Points: 924 |
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Posted: 17 March 2018 at 1:57pm |
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No screw mounts on the LEDs. I've been set an interesting challenge of pulling apart some DB4 Mk1's and converting to individual cells. Pretty sure I can get it to work, just unsure if it'll need forced cooling for the heatsink and how far I can extend the drive current out of the block to the external cells. Cutting the heatsink to four tonight, I'll be pulling the dies off the drive board when I find my solder mop, just need a sturdy solid setting transfer compound.
Sorry for the hijack, will start a thread if this goes anywhere.  Edited by monkeypuzzle - 17 March 2018 at 1:58pm |
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blah blah blah blah blah......
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mini-mad
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Joined: 13 July 2012 Location: london Status: Offline Points: 6903 |
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Posted: 17 March 2018 at 5:11pm |
 Mount them like this 1st... |
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If it sounds like a gorilla is trying to escape, turn it down.
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Steve20131 wrote: