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New Helmet Mount Lamp Design



 
 
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  #1  
Old October 31st 07, 03:43 PM posted to rec.bicycles.misc
SMS 斯蒂文• 夏
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Posts: 80
Default New Helmet Mount Lamp Design

For an inexpensive helmet lamp, buy an 12 volt, 25 watt RV light bulb at
Home Depot (about $3.50). Attach a standard light bulb socket and a lamp
shade to your helmet using pieces of wire hangers. various bits and
pieces of steel, and cable ties. Power it with a 12 volt sealed lead
acid battery that you carry in a back pack.

The beam pattern is not ideal, as it doesn't illuminate the road at all,
but it is a good "being seen" light. It cannot be powered by a dynamo.
Not sure if it's legal or not, but admit it, have you ever not seen an
illegally lit cyclist? Or have you ever seen a legally lit cyclist? Or
have you ever not seen a legally lit cyclist? Whatever. I know it's a
good light because I rode around my neighborhood and I asked my
neighbors if they could see me and they all told me that they could,
then they hurried their kids and pets indoors.

I put up some images of this at "http://bicyclelighting.com" . I tried
it last night while going to a Halloween party and it worked well.
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  #2  
Old November 1st 07, 03:02 AM posted to rec.bicycles.misc
Mike Kruger
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Posts: 453
Default New Helmet Mount Lamp Design

"SMS ???. ?" wrote in message
...
For an inexpensive helmet lamp, buy an 12 volt, 25 watt RV light bulb at
Home Depot (about $3.50). Attach a standard light bulb socket and a lamp
shade to your helmet using pieces of wire hangers. various bits and pieces
of steel, and cable ties. Power it with a 12 volt sealed lead acid battery
that you carry in a back pack.

The beam pattern is not ideal, as it doesn't illuminate the road at all,
but it is a good "being seen" light. It cannot be powered by a dynamo. Not
sure if it's legal or not, but admit it, have you ever not seen an
illegally lit cyclist? Or have you ever seen a legally lit cyclist? Or
have you ever not seen a legally lit cyclist? Whatever. I know it's a good
light because I rode around my neighborhood and I asked my neighbors if
they could see me and they all told me that they could, then they hurried
their kids and pets indoors.

I put up some images of this at "http://bicyclelighting.com" . I tried it
last night while going to a Halloween party and it worked well.


At least it's not something oddball like a generator light.

Nice Halloween joke. Thanks.

--
Mike Kruger
Here's a tip: Try to eat everything. You'll be surprised how much is
edible --Darby Conley


  #3  
Old November 1st 07, 07:50 PM posted to rec.bicycles.misc
SMS 斯蒂文• 夏
external usenet poster
 
Posts: 80
Default New Helmet Mount Lamp Design

Mike Kruger wrote:

snip

At least it's not something oddball like a generator light.

Nice Halloween joke. Thanks.


Hey, I wore it walking around the neighborhood with our group of trick
or treaters, and it came in very handy. Easier than carrying a
flashlight, though vertical clearance was an issue in some areas.

I'd like to get a 12 volt compact fluorescent for next year as the 25
watt bulb only gets about 90 minutes of operating time from the battery.
I could use a smaller battery or go longer. I saw some at
"http://www.solarseasy.com/cfbulbs.html".

Direct links to photos of the helmet lamp a

"http://nordicgroup.us/s78/images/helmetlightfrontview.jpg"
"http://nordicgroup.us/s78/images/helmetlighttopview.jpg"
  #4  
Old November 3rd 07, 03:59 PM posted to rec.bicycles.misc
Tom Sherman[_2_]
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Posts: 9,890
Default New Helmet Mount Lamp Design

SMS aka Steven M. Scharf wrote:
For an inexpensive helmet lamp, buy an 12 volt, 25 watt RV light bulb at
Home Depot (about $3.50). Attach a standard light bulb socket and a lamp
shade to your helmet using pieces of wire hangers. various bits and
pieces of steel, and cable ties. Power it with a 12 volt sealed lead
acid battery that you carry in a back pack.

The beam pattern is not ideal, as it doesn't illuminate the road at all,
but it is a good "being seen" light. It cannot be powered by a dynamo.
Not sure if it's legal or not, but admit it, have you ever not seen an
illegally lit cyclist? Or have you ever seen a legally lit cyclist? Or
have you ever not seen a legally lit cyclist? Whatever. I know it's a
good light because I rode around my neighborhood and I asked my
neighbors if they could see me and they all told me that they could,
then they hurried their kids and pets indoors....


To paraphrase Leo Rosten, anything that scares children and dogs can't
be all bad.

--
Tom Sherman - Holstein-Friesland Bovinia
When did ignorance of biology become a "family value"?
 




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