I have some photos, but they don't really show how it works. I'll try to post up a couple of pages from the Quantum instruction manual, as that will show more.
It's basically a wiper motor with a modified parking segment which means it parks in 2 positions with about about 90 degrees movement. So all you then need is one motor inside the nosecone, and a threaded rod (8mm) attached to the wiper motor via a lever. When the motor is activated the 8mm rod moves a lever on both sides (attached via thin rods to flaps) The flaps then move down when required (lights on) or up when lights off to 'mask' the headlights.
I'll try to attach the instruction pages to a note this evening (2-3 hours from now)
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