LED Foglight Project |
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LED Foglight Project |
Spoke |
Apr 13 2019, 08:45 AM
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#1
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Jerry Group: Members Posts: 7,091 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None |
The design of an early foglight LED board has begun. mepstein sent me a couple of foglight fixtures to use to design the board. 2 main issues are fitment and heat dissipation. If things work out ok the design should be able to be re-laid out for the later square foglight.
The board will have 8 Cree XP-G3 high power surface mount LEDs with 350ma current each. These will burn about 1W of power with a total power dissipation expected to be less than 10W. Hopefully these will be almost as bright as a headlight. Each LED will have its own focusing lens. The lenses are Carclo 10192 elliptical 20mm lenses. The light pattern for the 10192 lens is shown below. This is the spectral dispersion for the lens. |
Spoke |
Jun 1 2019, 06:53 AM
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#2
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Jerry Group: Members Posts: 7,091 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None |
The early lenses are at least 5mm deeper than the later lenses.
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