E and J headlights on a 1914. The burner sits on an adjustable base where it can slide away from or towards the reflector. What position in this range is the best for the best possible light?
I'm trying to get it ready for the OCF Gaslight Parade.
Light it off and slide the burner back and forth to the position you like the beam the best!
Also, make sure the "V" burner has the legs of the V running in line with the headlamp, not across...that gives the widest flame to reflect the most light...
I have the center-line of the burner pipe set about 1-1/8" in front of the "ground" lead edge of the Mangin mirror. That should get you close. Some of the mirrors are a little different but the actual flame will be farther than that from the center of the mirror.
I back down the driveway about 50 feet and focus them on the garage door after it is dark. You will see the fishtail shape of the flame flipped upside down on the door when it is in focus doing what Layden suggests.
To set the height, go "up" with the burner flame to go "down" in front of the car or vice-versa if it's too low. I try to hit the bottom of the garage door with the flat shape (top) of the flame at 50 feet.
Ken in Texas
I read my post again after edit time was up. I was agreeing with Layden's suggestion to tweak the focus by sliding the burner back and forth just a little. The Mangin mirror flips the image.
Ken in Texas
Thanks, guys. This really helps. I'll give the garage door test a try.