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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: 09 May 2018 at 6:59pm |
 Ok, first switch on and no bangs or fizzing. I had it on really low to begin with. I forgot how powerful the twin clay paky fans were..
 This was half power after 3 or 4 minuites, looking good |
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Steve20131
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Posted: 09 May 2018 at 7:05pm |
After 15 mins on full power it settled between 54.3 and 54.7. Well pleased. I expected early 60's and the ambient is around 19c so this is way cool. Changing the leaf orientation and opening/blocking various air holes has worked really well
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Steve20131
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Posted: 09 May 2018 at 7:11pm |
 Ok, to take pics of the gobo's it had to go down to approx 1/3rd power, or the phone just blots out but it looks fine to my eyes and the colours are all of equal brightness 
The waviness is the envelope it's shining on
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Steve20131
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Posted: 09 May 2018 at 7:20pm |
 
 The last one is open green on full gain. It looks saturated green but the camera goes white. It's very bright and fills the room green. I might not be able to be back for a while but superb first results. Also thanks for the ideas, someone suggested a external pot which I put on to control brightness (I have ordered a logarithmic one) there's also a few other changes now I know the cooler works well. The light meter won't measure close up but will test more when I'm off next....
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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: 09 May 2018 at 8:03pm |
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You're doing superb work here my friend... don't ever stop!
I like you are paving the way for people to have a little stab at this themselves after watching this thread. Keep up the good work.. even if there's a few weeks or months inbetween posts... I'll see be watching. |
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If it sounds like a gorilla is trying to escape, turn it down.
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Steve20131
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Posted: 09 May 2018 at 11:52pm |
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Hi thanks. I'll keep going, most of the hard work is done, just doing the same on other units..
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4D
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Joined: 13 November 2008 Location: Winchester Status: Offline Points: 4194 |
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Posted: 10 May 2018 at 10:24am |
Indeed sir a top thread thank you for the edification
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DMZ. "The bass was intense. Girls were literally running up to stand next to the subs"
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djeddie
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Joined: 26 April 2004 Location: Bristol Status: Offline Points: 4119 |
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Posted: 10 May 2018 at 8:31pm |
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Chas n Dave : it's like Drum and Bass but with beards. E=mc² ±3dB
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Steve20131
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Posted: 17 June 2018 at 9:53am |
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You wouldn't be able to do the same with moving heads as sufficient cooling would be too heavy. Hence why I chose scanners, plus they move faster and have less problems. Thanks for all the compliments. I'm a total cheepskate, which is why I'm so determined to make a permanant bulb. Plus the arc ones have blown up before
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Steve20131
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Posted: 17 June 2018 at 9:55am |
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I also bought thermostats, I may fit them because they are a good and cheap safety measure but in the end they were so cool it didnt need it
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4D
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Joined: 13 November 2008 Location: Winchester Status: Offline Points: 4194 |
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Posted: 17 June 2018 at 6:08pm |
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I am very keen to convert some old studio due mini city to led at present they run a 150watt hmi passive cooling, I was wondering how do you rate the cmy colour mixing using LED in your scans and what would be the maximum power led one could use in such circumstances.. They get pretty hot after a few hours with the hmi and the thermal cutout is rated at 110c
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DMZ. "The bass was intense. Girls were literally running up to stand next to the subs"
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csg
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Joined: 17 September 2007 Location: bedford Status: Offline Points: 6047 |
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Posted: 17 June 2018 at 6:45pm |
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in all honesty Ford, i'd sell those on as they are and get some IP rated LED units that mix colours additively. They will probably be cheaper than doing the conversion, certainly run cooler, more efficient in terms of power usage and more than likely a lot brighter.
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“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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Steve20131 wrote: