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Author Topic: regulations for LED lights  (Read 15207 times)
dracken1
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« Reply #15 on: February 11, 2008, 09:17:43 AM »

the led marker lights i sell are fine. but the msva man is not to keen on the amber ones being used as indicators as they are a little dim.

an example of an led tail light using multi leds rated at  0.2watt tail ,  1.1 watt brake.
those are e marked units so based on that there is a difference of 0.9 watt between the leds.
if making your own you can either use leds of different wattage or fit resistors which are used for tail light but by-passed for brake light Smiley
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ByzMax
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« Reply #16 on: February 21, 2008, 10:05:26 AM »

Leds are fine for all lights as long as they are effective. For the SVA it is at the discrection of the examiner but they do not have to be E marked or approved in any way.

Be aware that when you buy leds or pre made bulbs or fittings the LEDS will have a viewing angle and it can be as low as 10 degrees. Outside this area it is difficult to see the light being emitted. This will be the one of the failure points.

If any one needs more info on using them then feel free to contact me. Also check out back issues of Britchopper as I did an article about using them on vehicles.

Hope that  helps
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blair
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« Reply #17 on: February 21, 2008, 12:12:43 PM »

thanks fo rthe info
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Manky Monkey
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« Reply #18 on: February 21, 2008, 06:53:08 PM »

Nice to see you back Byz.  Wink
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ByzMax
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« Reply #19 on: February 22, 2008, 06:47:19 PM »

Thanks Andy.

Been busy but popping in now and again. Everthings a bit up in the air at the moment but hope to get back to normal soon!
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Manky Monkey
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« Reply #20 on: February 22, 2008, 10:43:01 PM »

We're not far from you now -West Clandon, near Guildford. Drop in for a cuppa next time you in the area.
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brock
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« Reply #21 on: February 23, 2008, 09:28:38 AM »

   just to derail this for a moment, I suffered a monumental failure over Christmas whilst trying to build a circuit board to house a driver and series of diodes all driven by a lambda senser, a mixture reading device for the race car, anyone know how to build one off boards and work with diodes (see, not entirely off topic) and better still want to have a look at the job for about the cost of a cup of tea and a slice of cake ?
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ByzMax
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« Reply #22 on: February 23, 2008, 10:15:07 AM »

Brock

May be able to help you! What where you trying to do?

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Two Showers
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« Reply #23 on: February 25, 2008, 05:45:52 PM »

I'm running all LED lights on the back of my Trike.  The only thing I was warned about was that there was some sort of rule about the fog light (although we never found the 'said rule' that says it has to be a filament lamp). Having said that, even my Fog lights are LED and I haven't had a problem getting through any MOT's.

http://img227.imageshack.us/img227/6559/dscf0077es8.jpg
regulations for LED lights

Cheers

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brock
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« Reply #24 on: February 25, 2008, 07:57:00 PM »

   ByzMax, I had blagged a set of drawings from the brilliant Duckman's site, bought all the components from Maplins and set out to build a little meter to show air fuel mixture as detected by a lambda sensor in the exhaust of the race car. I spent a day cutting a circuit board out of a multi purpose piece and just had to solder all the bits in the right place, it all went down hill from there really, but fast ! I have decided that electronics are something best left to those who can, which seems to rule me out. To be honest the diode set from Maplin would have been far too small to be read whilst driving and maybe even for the camera to clearly see but a bigger version would be great. Those of us who run petrol engines are constantly tweeking the jets to get a bit closer to the optimum but track time is limited and there are not many other places we can run at full throttle under load to check results.
   Link to the info :
                            http://www.dbbp.com/
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brock
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« Reply #25 on: February 25, 2008, 08:00:49 PM »

   Having just re read the link, I see that guages are only $50 odd, I'm out there next week, I'll have a look and see if I can pick one up
 
                                            Steve
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ByzMax
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« Reply #26 on: February 26, 2008, 05:47:41 PM »

Well i'm gonna make one any how to test exhaust emissions on builds. so if you need one I will have tested it first!  Grin
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brock
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« Reply #27 on: February 29, 2008, 11:33:29 PM »

let us know how it turns out, I still think that a bar type setup would be easier to read at a glance, if it can be pretty simple,small (other than the lights) and vibration proof, I may know of one or two others who may be interested

                                       Steve 
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ByzMax
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« Reply #28 on: March 02, 2008, 11:52:42 AM »

Will let you know how I get on.

It will be handy bit of kit on or off the track.
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ByzMax
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« Reply #29 on: March 09, 2008, 11:44:54 AM »

Got the bits needed apart from the o2 sensor but can test the circuit anyway. Will make it this week and see what happens!  Grin
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