Whelen heated lenses

[StEaLtH2]

This......

 

[dmathieu]

Back in 2011 they tried this. I don't think it ever took off. Maybe this will. There is definitely a need for it.

 

[rettoded]

For those interested, here is the link for the prototype thermostat unit:

Scroll down to page 7

 

[shues]

For those interested, here is the link for the prototype thermostat unit:

Scroll down to page 7

That's the prototype design from 2011 which looks like it was designed with a heating element behind the plastic lens as part of the 400-series lighthead itself. That design was apparently never released to market:

That page was meant to provide an update for things to come. As of today, nothing has been released for production, no heated lens product has ever been sold.

The new SnowAway seems to use an outer tempered glass lens with an embedded resistive heating element:

[Broken External Image]:http://www.whelen.com/images/_automotive/Systems/DOT/DOT-LED_Systems/snowaway-1.jpg

http://www.whelen.com/pb/Automotive/Catalogs/DOT-LED_Catalog.pdf

 

[NEB]

Well that would make the most sense... just like the ones that go across the back widow of your pickup...