Strobe Light Bars

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FAQ about Strobe Light Bars

What if they turn Gitmo into an S&M club? They already have the torture equipment, all they need is a bar, some strobe lights, a dance floor and DJ! Great idea. Should be a part of Obama's economic stimulus package. But call it Club Trump, not Gitmo, puleeze!

Why does part of light bar on police car go out while radio is keyed up? I have a whelen 9m edge series strobe light bar on my patrol car. The two way radio antenna is mounted on the roof behind the light bar about 20" from the light bar. When my light bar is turned on, when the radio mike is keyed up to talk, most of the lights go out on my light bar, until the mike is unkeyed. Anyone have any explanation for this or how it can be fixed? It has been reported to supervisor and chain of command. All the 2009 and 2008 models do it. They wont spend the money to fix it, even though it is a serious safety hazard when in an emergency response or a pursuit. I was told that the radio interference from the antenna is overpowering the circuit board on the light bar, but I am wondering if it is an issue with the way the two are grounded or the way the wires are run. Our previous cars didn't have this problem. I read somewhere that light bars need to be grounded on a separate circuit from the radio. How does one do this? Seems to me everything grounds to the vehicle body. Talk to your maintenance guys. Radio shouldn't affect the light bar.

What are strobe lights and does it freeze motion? What are strobe lights? I don't want definitions from wikipedia and what not, I don't get them. I read that they make something in motion appear as if it's stationary during that flash of light, is that true? If someone was in a bar dancing and there are strobe lights producing regular flashes, although the person is in constant movement, would that person seem to pause in a certain move for a longer period of time thanks to the flash? Strobe lights are light sources that produce an extremely brief flash of light - around 1/1000 second or less. The flash might be one-time (as in a camera flash), repeating based on a timer, triggered by peaks in sound, or triggered by other things, but the common feature is the very brief flash.
As for "freezing motion" - it depends on what the strobe is doing and on what the motion is.
If you have a relatively dark room with someone dancing, and you fire a strobe ONCE, you will see the person's position at the instant the strobe fires - just like a still photograph.
If the person is just randomly dancing and you start a repeating strobe, you will see a series of "still frames" of the person in various positions. The motion does not actually stop, of course, but since it is only lit during brief instants you don't see the movement "in between" the flashes. Persistence of vision allows you to see these very brief "frames" for longer than the strobe's actual duration.
If a person is making a repeating movement -- always coming back to the same position in a fixed amount of time, as in, for example, calisthenics - and you set the strobe to fire at those moments, then to your vision it will seem that the person is not moving, not changing position, at all.
A related effect is the "wagon wheel effect" seen in movies.

Does anyone know a tutorial for making strobe light effects on PHOTOSHOP.? Im editing some pics from my school prom, and i want to add light effects. An example is below of the 'strobe light' effect (The blue and red lights at the top) http://www.dontstayin.com/uk/london/ama-gi-formerly-bar-eivissa/2009/jul/23/gallery-359127 I know that the strobe lights wer edited from the lighting inside the club, i just want to know how to 1) artificially add them to my pics and 2)edit the lighting of the venue to make it look more like the one in the example thanks. Take some pics of some lights, or do a creative commons search in flickr for "stage lights" and download the image. Open your original image, create a new layer - paste the pic of the lights onto that layer, change the layer mode to muliply, or overlay, or soft light, until you get the effect you desire.

Which emergency light bar would be considered best today? Of the light bars listed below which would be the best out there today for Emergency vehicles. The standard Halogen Rotor by Street Hawk http://www.fedsig.com/products/index.php?id=136 The Federal Signal Vector Light bar http://www.fedsig.com/products/index.php?id=137 The LED Light bar http://www.fedsig.com/products/index.php?id=263 The Strobe Light Bar. For close up picture of light bar click on additional pictures http://www.fleetsafety.com/Strobe-Lightbar-9M-by-Whelen-29 You want either the LED or Strobe lights as they have lower current draw ( amps ) than the others.WIth the others you may have to upgrade your charging system to use them
Also LED and strobe will have longer bulb life than the others.
We switched over to strobes many years ago, eliminating the problem of constantly having dead batteries
Whelen is a good product.

Can I have strobe lights on my car in North Carolina (NC) as long as they're not blue? I see work trucks all the time, with yellow or white flashing lights, how would one justify barring me, a private citizen to do the same, as they are privately owned vehicles. Blue is obviously illegal in some states because it is specialized for the police. In others red is used for the police as well as fire. In North Carolina can one have flashing red lights; technically we already have flashing red lights built in to our car by law. Sure, go ahead and see how long it takes for you to be arrested for impersonating a police officer...

Are hidden,non strobe, RED, LED lights legal in a truck grill? I bought a pair of LED strobe lights but I want to cut the box and put a switch so I can have a, controllable, constant red light. I want to put a light in my chrome westin bull bar and one in my grill. My truck looks nothing like a police car and I do not want the lights to blink what so ever,Is this legal? And I'm In Arizona red lights on the FRONT of a truck probably not legal or a good idea.

Is it legal to put strobe lights on your Truck? TEXAS? Hello, I live in Dallas County, Texas. I work in roadside assistance for commercial vehicles and often operate on state highways. I have my own business. I know its illegal to have any combination of blue and red. I know this guy who wants to give me a great deal on red/white strobe bar lights but wasn't sure if it was legal. If its not legal then I will just stick with yellow lights. Thank you. stay with the yellow unless you are an emergency vehicle

How do you change flash pattern on Whelen 9M Strobe Light bar? I know the instruction manual says to momentarily apply 12V to the "appropriate socket on the power supply". How do you know what the appropriate socket is and knowing that, what do you use or how do you apply 12V momentarily to change the flash pattern? Also, on a 8 strobe head model light bar, can you change out the front halogen flashers for inboard strobe tubes without having to rewire anything? ssd

Green Light bars? Hello everyone, I work at a steel plant and am looking at switching our green strobe light bars to green LED lightbars. But I'm having a problem finding green LED lightbars. I've looked through all the normal websites, I've called places and no one can tell me where I can find green light bars that are LED. Can someone with experiance help me out? Thanks BTW Galls does not sell green LED lightbars. I've already called them. Galls has green lights
http://www.galls.com/easearchresult.html?searchaction=1&path=All%20Products%2F%2F%2F%2FUserSearch%3DVehicle%20Warning%20Lights%20%3B%3B%20Venture%5Fid%3D503185

Strobe Light Bars is from category: Flashlights.