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PostPosted: Thu Aug 23, 2012 11:40 pm 
Retro Guru
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Joined: Thu Jul 07, 2005 7:16 pm
Posts: 1202
Location: U.K
hi chaps
just finishing off a couple of lights (building up) and was thinking back about my first diy lights mk1s
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mk2s
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mk3s
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mk4s
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all polished now on to the mk 5s

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mk5s are fully upgradable from 400 lumens xr-es to triple xp-gs or xmls
regards thwang


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PostPosted: Thu Aug 23, 2012 11:45 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
Posts: 16165
Location: Rurally close.
Sweeeeeet looking lights.

Now i cant remember, but, because you can or a cost saving exercise?


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PostPosted: Fri Aug 24, 2012 10:01 am 
retrobike rider
retrobike rider
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Joined: Sun Dec 18, 2011 10:42 pm
Posts: 2189
Location: milton keynes
want to sell me a set?
btw are those cree lights from china on ebay any good?


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PostPosted: Fri Aug 24, 2012 11:53 am 
Retro Guru
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Joined: Fri Mar 12, 2010 11:24 am
Posts: 355
Location: London
Nice stuff. When I think back to the dangerous crap I used to commute with in the 80s I wonder how I am still alive. Never Ready in particular were horrendous.


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PostPosted: Fri Aug 24, 2012 1:10 pm 
Old School Grand Master
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Joined: Sun Aug 21, 2011 11:57 pm
Posts: 4074
Location: Antwerp, Belgium
Really like the look of those polished dual Mk4s.


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PostPosted: Fri Aug 24, 2012 8:42 pm 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4448
Location: Herts UK
very nice. I don't have the toooling to make anything as spectacular but is the heatsinking necessary? I ask as I made my own lights from copper tube soldered together - I am using seoul p4 emitter driven at 5 W and the tube gets slihlty warm. I've used them for over 2 (or maybe 3) winters with nothing going wring with them so my heatsinking appears to be adequate.

Must get round to making my mk2 version using more up to date LEDs.


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PostPosted: Fri Aug 24, 2012 9:08 pm 
Retro Guru
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Joined: Wed Jun 20, 2012 6:25 pm
Posts: 606
Location: New Forest
Chute55uk wrote:
.....are those cree lights from china on ebay any good?


Bought this from this seller six months ago http://www.ebay.co.uk/itm/CREE-XML-XM-L-T6-1800-LM-LED-Cycling-Bike-Bicycle-Head-Light-HeadLamp-HeadLight-/140744146377?pt=UK_SportsLeisure_Cycling_Bike_Lights&hash=item20c5013dc9#ht_2822wt_794, performance is fantastic and battery life on full power around 3hrs (still is today). Really can't fault it for under £30!

That being said, love the custom lights Thwang!
8)


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PostPosted: Fri Aug 24, 2012 11:06 pm 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4448
Location: Herts UK
blinkin flip .... checked the spec. of my lamps and they are 100 lm, which i thought were pretty bright when used as a pair.

it is hardly worth my while in making new ones if i can get 1800 lm :shock: for £ 21 :o

http://www.ebay.co.uk/itm/CREE-XM-L-XML ... 2a21ff4128

oh, ... and i just bought one. 8)


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PostPosted: Sat Aug 25, 2012 3:24 pm 
Retro Guru
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Joined: Sat Oct 03, 2009 2:37 pm
Posts: 1728
Location: UK Southwest
The chinese cree lights are very bright but are not 1800lumens, more like 900. Reliability is questionable. Get two, that way you have a proper 1800 lumens and the odds of both failing at the same time is very low, so you won't be plunged into darkness mid descent.


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PostPosted: Sat Aug 25, 2012 8:22 pm 
retrobike rider
retrobike rider
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Joined: Sun Feb 19, 2012 10:08 am
Posts: 6852
Location: Nth Somerset, UK
This guy is an ebay trader.

The lighting tests are pretty interesting.

http://www.torchythebatteryboy.com/p/bi ... abase.html


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