dmathieu
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That's cool.....little light, big sound power!Here's an ad for a 1957 Maxim fire truck mfg. in Massachusetts.
This is sporting a 1957 Whelen ROTA-BEAM RB11 as it's primary warning light on the roof.
I would guess that's why Federal mounted them base-down in the Juniors, then. They do create heat. As I've noted on another thread, we put a 1019 bulb in an old Mars DL8 light that went on a '60 Chevy ambulance we had. That thing was bright, and you could feel the heat if you stood near it when it was on. For a very short time it was fender-mounted and later went on the roof, where it could been seen.The bulbs in Whelen's beacons was mounted in a base up position, so the heat produced by the bulb goes up and into its base. This is not good for bulb longevity. I'm sure the 1019 bulb created a lot of heat, it probably would not last long mounted in a base up position.
Thanks for posting, Dan. I hadn't noticed the AmeriCar link before. Some very neat old cars.This is a pic, received form Skip Goulet, of a 1952 Packard ambulance with a Version One RB11 STANDARD ROTA-BEAM, as the main 360 degree beacon, rarely seen on an ambulance.
AmeriCar The Beautiful's Photos
Skip, the 1019 bulb was not offered.
How long were the Seniors made, Dan? I don't think I've ever seen one.A 1964 Dodge Manchester car with an original version Whelen SENIOR ROTA-BEAM beacon light.