How to create proper cutoff, for electric bike project

bshanahan14rulz

Flashlight Enthusiast
Joined
Jan 29, 2009
Messages
2,819
Location
Tennessee
If you are recycling that light fixture, put the LED where the original light bulb filament was, and point it upwards for best efficiency and retaining a cutoff.
 

nein166

Flashlight Enthusiast
Joined
Feb 16, 2006
Messages
1,575
Location
New York
Like bshanahan said, face it upwards also put a small blocker in front of it to eliminate side light that is not reflected
With LEDs you could use 2 leds 1 upfacing and one down, turn one off and its a solid state switch with no flapper

See how Mcgizmo prototyped the concept in a couple lights Cree XR-E studies and lights (<- google that)
 
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