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Poll:- What are lights for...........

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Poll:- What are lights for...........

Old 04-06-13, 04:35 PM
  #1  
009jim
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Poll:- What are lights for...........

I'm interested in people's views as to the purpose of lights on a bicycle.
(a) To illuminate the path ahead.
(b) To be seen by other vehicles.
(c) To blind drivers & pedestrians so they cannot see you.
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Old 04-06-13, 05:20 PM
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Yes.
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Old 04-06-13, 05:36 PM
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(d)
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Old 04-06-13, 05:43 PM
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Originally Posted by cranky old dude View Post
(d)
Yes... D, all of the above.
Amazon has some 1000 lumens... here ya go! Amazon.com: ATC CREE XML T6 LED 1000 Lumen Bike Light / Bike Bicycle Light HeadLight headLamp with improved battery and charger: Sports & Outdoors
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Old 04-06-13, 06:33 PM
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If this is a poll why didn't you make it a poll?



Tough one. Best guess would be (a) or (b) or (c).
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Old 04-06-13, 06:37 PM
  #6  
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I choose B
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Old 04-06-13, 06:41 PM
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a AND b
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Old 04-06-13, 10:08 PM
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Choose life.
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Old 04-06-13, 10:35 PM
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Front light does (A); lets me see
to achieve this I am willing to let it also do (C) as a side effect.
if it happens to make me visisble (B) thats fine, but is not the primary purpose.

Tail light does (B).
and is augmented by retroreflectors, as reflected car headlight is much brighter than typical bike tail light.

Note, with this in mind, blinking front lights are pointless.

Last edited by xenologer; 04-06-13 at 10:39 PM.
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Old 04-07-13, 12:50 AM
  #10  
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Can I buy a vowel?
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Old 04-07-13, 03:38 AM
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c.

I hate it when people see me.
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Old 04-07-13, 03:48 AM
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I don't have lights, my bike is weighing in at 19.33bs at the moment without pedals, so it's already overweight.
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Old 04-07-13, 04:55 AM
  #13  
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Lights are so that you can better see the members of the opposite sex wiggle their butts as they ride in front of you. What else would they be for?
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Old 04-07-13, 04:59 AM
  #14  
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(d) whatever it takes to improve my safety.
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Old 04-07-13, 07:50 AM
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I only carry lights so I'm able to fix a flat at night

http://www.youtube.com/watch?v=gGpBHbEYqeo
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Old 04-07-13, 08:25 AM
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all of the above
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Old 04-07-13, 09:22 AM
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Decoration.
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Old 04-07-13, 10:39 AM
  #18  
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Originally Posted by ThermionicScott View Post
Choose life.
Choose lunch.
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Old 04-07-13, 11:19 AM
  #19  
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Originally Posted by 009jim View Post
I'm interested in people's views as to the purpose of lights on a bicycle.
(a) To illuminate the path ahead.
(b) To be seen by other vehicles.
(c) To blind drivers & pedestrians so they cannot see you.
Legally, at least in the U.S., it's (b), to be seen by other vehicles. The primary regulation for bicycle headlights usually specifies the minimum distance at which the light can be seen by others, and doesn't require any particular distance at which the light illuminates the ground.

These regulations date from the era of dim incandescent lights driven by tire-dragging generators or a couple of flashlight batteries.

Today, there are lots of lights on the market that do (a) quite well, and in doing (a) they're usually pretty good at doing (b), but many of them also do (c).

Bicycle headlights are far brighter today than car headlights were when automotive beam patterns were regulated for safety, because of the glare hazard to oncoming traffic. Car headlights were still sealed beam incandescents in the 5-600 lumen range when the danger of headlight glare was regulated.

These days, you can get 1,200 lumens for under $50, but most bicycle headlights have terrible beam patterns that throw far too much of the light above horizontal. They'd be illegal on any other class of vehicle, but legislators haven't caught up with bicycle lighting yet.

Likewise, strobing headlights are illegal on bicycles in a few states, such as Washington, but many other states ban flashing headlights on all other vehicles, but not on bicycles.

When a bicycle headlight was dimmer than the parking lights of a car, who cared whether it was well-aimed or flashing? Now that bicycle lights are as bright as car headlights, and the average motorist is getting older with more vision issues, expect legislative attention to (c).
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Old 04-07-13, 11:45 AM
  #20  
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Originally Posted by jputnam View Post
Legally, at least in the U.S., it's (b), to be seen by other vehicles. The primary regulation for bicycle headlights usually specifies the minimum distance at which the light can be seen by others, and doesn't require any particular distance at which the light illuminates the ground.

These regulations date from the era of dim incandescent lights driven by tire-dragging generators or a couple of flashlight batteries.

Today, there are lots of lights on the market that do (a) quite well, and in doing (a) they're usually pretty good at doing (b), but many of them also do (c).

Bicycle headlights are far brighter today than car headlights were when automotive beam patterns were regulated for safety, because of the glare hazard to oncoming traffic. Car headlights were still sealed beam incandescents in the 5-600 lumen range when the danger of headlight glare was regulated.

These days, you can get 1,200 lumens for under $50, but most bicycle headlights have terrible beam patterns that throw far too much of the light above horizontal. They'd be illegal on any other class of vehicle, but legislators haven't caught up with bicycle lighting yet.

Likewise, strobing headlights are illegal on bicycles in a few states, such as Washington, but many other states ban flashing headlights on all other vehicles, but not on bicycles.

When a bicycle headlight was dimmer than the parking lights of a car, who cared whether it was well-aimed or flashing? Now that bicycle lights are as bright as car headlights, and the average motorist is getting older with more vision issues, expect legislative attention to (c).
You should be ashamed of yourself for posting such a thoughtful, well-written, on-topic post.
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Old 04-07-13, 05:19 PM
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Originally Posted by JanMM View Post
You should be ashamed of yourself for posting such a thoughtful, well-written, on-topic post.
Hi. My name is Josh, and I'm a policy wonk.
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Old 04-07-13, 06:56 PM
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Originally Posted by jputnam View Post
Legally, at least in the U.S., it's (b), to be seen by other vehicles. The primary regulation for bicycle headlights usually specifies the minimum distance at which the light can be seen by others, and doesn't require any particular distance at which the light illuminates the ground.

These regulations date from the era of dim incandescent lights driven by tire-dragging generators or a couple of flashlight batteries.

Today, there are lots of lights on the market that do (a) quite well, and in doing (a) they're usually pretty good at doing (b), but many of them also do (c).

Bicycle headlights are far brighter today than car headlights were when automotive beam patterns were regulated for safety, because of the glare hazard to oncoming traffic. Car headlights were still sealed beam incandescents in the 5-600 lumen range when the danger of headlight glare was regulated.

These days, you can get 1,200 lumens for under $50, but most bicycle headlights have terrible beam patterns that throw far too much of the light above horizontal. They'd be illegal on any other class of vehicle, but legislators haven't caught up with bicycle lighting yet.

Likewise, strobing headlights are illegal on bicycles in a few states, such as Washington, but many other states ban flashing headlights on all other vehicles, but not on bicycles.

When a bicycle headlight was dimmer than the parking lights of a car, who cared whether it was well-aimed or flashing? Now that bicycle lights are as bright as car headlights, and the average motorist is getting older with more vision issues, expect legislative attention to (c).
Germany is way ahead of the US in this game. I run the Busch & Muller headlights and they have a great beam pattern at reasonable Lux levels.

Aaron
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Old 04-07-13, 07:19 PM
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Your poll's broken! I CLICKED on a choice several times! Nothing happened!
Now I'm frustrated and totally obsessed with world domination! Eventually millions of cute little life forms will be snuffed out all over the universe and .... its ALL YOUR FAULT!

OK - I changed my mind - I'll have a donut instead....
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Old 04-07-13, 08:45 PM
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a. Glazed yeast
b. Cake
c. Powdered cake
d. Cruller
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Old 04-08-13, 05:23 AM
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Originally Posted by JanMM View Post
a. Glazed yeast
b. Cake
c. Powdered cake
d. Cruller
e. All of the above? Pretty please?

Coffee and donuts is actually a seperate as yet unrecognized food group!
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