01-12-2019, 03:10 PM
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#23
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Senior Member
Join Date: Jul 2011
Location: Redondo Beach, CA
Posts: 5,849
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Re: LED Headlights
Quote:
Originally Posted by Jim/TX/GA
That's because the Low beam filament, inside the original Model A 20 cp/20 cp bulb, is a separate filament that is higher than the High beam filament inside the bulb. When it lights, because it is now high to the center line and focal point of the reflector, the beam is slightly dipped down at the road (not straight out into the other driver's eyes).
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Jim, Great write up. Thanks for taking the time to do that.
And thanks for pointing out that the low bean filament is the upper one in the bulb and the high beam is the lower one. 'Some' people on the Ford Barn think it is the other way and there was quite a discussion about it a while back.
Oh, and nice hat...
Last edited by Y-Blockhead; 01-12-2019 at 03:35 PM.
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