Dual Motor TwinSonic 12X

[shues]

I finally found another dual-motor TwinSonic! I sold one to a member here several years ago before I knew what I had. Here's one very similar to the one I sold, going for $300 in Rockford, IL:

https://rockford.craigslist.org/pts/d/amber-beacon-light-bar/6359600568.html

Archive: http://web.archive.org/web/20171115.../pts/d/amber-beacon-light-bar/6359600568.html

 

[Stampeed Valkyrie]

Neat,
I have worked on many Twinsonic bars but not one of these.

 

[jdh]

OK I have to ask, what is special about that? Was it factory? I have had to make a duel motor Aerodynic before to make it work.

 

[Stampeed Valkyrie]

OK I have to ask, what is special about that? Was it factory? I have had to make a duel motor Aerodynic before to make it work.

I believe yes it was Factory.
If your familiar with the chain setup on the Twinsonic.. it was rotator, chain,gearbox, chain, rotator with 1 chain longer then the other. With these bars it would go rotator, chain, gearbox on each side.. so self contained per side rather then a chain running across the bar to the rotator on the other side. Flash pattern would not be synchronized anymore so random flashes in a sealed beam bar would be my guess.

 

[jdh]

I am betting it was for redundancy. One chain or motor quits, the other side still works...Cool

Thanks

 

[ex416]

maybe for allowing the capability to wire each side separately to enable use of different colors at different times such as tow trucks using amber only during towing and red while on scene.

 

[ERIC6913]

Ryan knows the answer to this question, but one police department spec'd this set up . I'm pretty sure the reason was in case one motor failed the other side would still be operational .

 

[ryan]

Correct. The fleet mgr at the department was concerned that going from dual beacons with each having their own motor to a bar with only 1 motor would be a down fall for the twinsonic. Federal came up with dual motors designed for this agency. Others followed suit but the demand was not great. This option from what i found was a $70ish option.

 

[JennyCop]

Do you know if this bar sold?

 

[shues]

I do not. Unfortunately, the archived version of the page is missing a lot of the details I had hoped it would retain.