[Ducati] SuperSport Count...

[Don Hill]

Philippe: I'd be happy to pay you to make me one ... You seem to have missed 
the part about my meager electronic knowledge ...
Don


Subject: Re: [Ducati] SuperSport Count...


> You do not need to use some complicated electronic circuitry, 4 red leds 
> (luxeon 3w or K2) in serial and a 3 ohms 2 W resistor  will be enough.
> I have been doing some modifications on the red mandatory  reflector at 
> the rear of the bike.
> you need : 4 luxeon K2 red, artic silver conductive GLUE (not the paste 
> for CPU cooler the permanent adhesive), a sheet of cooper, or  aluminium 
> (mine is 1 mm aluminium thick). epoxy glue, transparent silicone. use of a 
> dremel
>
> First remove reflector, cut the plate so it will have enough area to 
> disipate the heat, I plan to screw it to the licence plate for extra 
> dissipation (for once this thing will actually have a use).
> once you have the plate cut so that it will blend behind the reflector.
> position the luxeon on the plate so the can face the holes you will be 
> doing in the back of the reflector (don't forget the wires).Drill the 
> mounting holes in the plate figure how the put the wires. the purpose of 
> the plate is to dissipate heat you might want to use the metallic plate 
> holder on your bike (no luck for my ST it's plastic).
> drill the holes at the back of the reflector (slowly, carefully do not 
> harm the reflecting red plastic).
> once you holes are done use them to position the luxeon on the plate.
> Use the artic silver glue to stick them to the plate (do not push too hard 
> you must not have electrical contact with the plate and the base of the 
> diode, I did and had to remove the diode with a flat screwdriver and 
> luck).
> let cure
> solder the diodes .
> Test with the resitors beware the diodes are very bright wear sunglasses 
> if you are to look at them (no eye damages in the documentation, but they 
> are unconfortably bright) do not forget the resistors (calculated usinfg 
> 14,5v as the bike's voltage) I plan to put the resistor away fom the diode 
> (that's 2w less to dissipate)
> Paint everything with epoxy so you can pour water on it. (carefull you 
> will have to use silicone to rainproff the reflector now that there are 
> holes in the back).
>
> screw back on, wire  enjoy
> You now have a 2nd stop light to wake up the driver following you, It IS 
> brighter than any led bar I have seen, more than the stock 
> stoplight.superbrightled.com sells a bulb made of one luxeon 3w here you 
> can use 4.
> And if you do not brake it looks exactly like a normal reflector.
>
> Philippe
>
>>
>> Alright ... I want one! I tried to make such a thing but wound up with a 
>> panel of very dim LEDs. I've been reading up on LED tech and circuitry 
>> but it's just beyond my meager electronic mind at this point.
>> Don