Main Motorcycle: 1951 Matchless G3LS
Join Date: Nov 2012
Location: Hong Kong
Other Motorcycle: 1949 Matchless G3L
Extra Motorcycle: Maybe a Triumph one day!
|Air Cooled Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, Bobber, T100, Speedmaster, America, Thruxton, and Scrambler.
Sponsored by: Triumph Twin Power Ltd
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I use the Lucas adapter kit from Maund. It mounts the lamp using the original holes in the fender and uses the stock vibration damping grommets. Also it positions the lamp at a nice perky angle and not tilting downwards.
With regards to brightness, this is the comparison I made with an odd 26/8W tail light bulb (it was intended to be a comparison with a standard 21/5W filament bulb, but only after taking the photos did I realise it was an odd bulb I'd picked out!). My intention when designing the LED light board was to produce something that gave the equivalent light output to a standard filament bulb but with much lower current draw (for my old bike) and also constant illumination across voltage fluctuations (i.e. low battery, at tick-over etc). There are more pictures here if you're interested: http://www.matchlessclueless.com/led...d-rear-lights/. As has already been mentioned, my approach was quality rather than quantity and more LEDs are not necessarily better!
Please take the above photo with a pinch of salt - it is almost impossible to photograph a bright light on a dark background! However I think it does show the relative brightness of the LED (top) versus 26/8W filament bulb (bottom) with both tail and stop functions lit. Things to note are that the LED is slightly brighter, has a larger area of illumination thanks to 10 'brightspots' versus one of the bulb, and less light wasted out to the sides where it is not required. The number plate illumination of the top LED light is somewhat drowned out by the 'wasted' light from the bottom bulb, but in practice it is more than sufficient to provide full illumination to the whole rear number plate.
Once again, thank you for your interest and really pleased to see that these lights will now be finding their way on to some rather nice Triumphs around the world.
Please feel free to PM me with any questions.
Kind regards, James
Would you be interested in producing an LED rear light for the factory triumph rear light?. I'm sure you'd have a large market, and I could probably sort out a rear light unit for you to examine.
Is an LED light board for the original type lamps something that anyone else would be interested in?
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