A small 123/LS light (Long/pics)

Candle Power Flashlight Forum

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"Pocket Rocket", eh? Did the name-this-light contest ever get off the ground? "small 123/LS light," the only thing we have to call it so far, is almost as uninspired a name as the "Streamlight 4AA 7LED" /ubbthreads/images/graemlins/tongue.gif
 
Thinking about it more I really like a raffle better than an auction for a popular and unique item like this. It probably raises more $$ for the site than an auction would, since dozens of people would buy tickets, and it would give everyone a fair shot. Yes, tickets should be limited to one per person.

Re the heat sink, the proposal was to use a lighter heat sink and run the LED at lower power (and less brightness) to keep the heat down. Obviously some people will want lower weight and others will want all the brightness they can get, so it's a typical engineering trade-off.

I think the time has really come for this kind of light.
http://www.candlepowerforums.com/ubbthreads/showflat.php?Cat=&Board=UBB14&Number=221458&page=1&view=collapsed&sb=5&o=&fpart=1
is a thread about another one.

BTW, I want to join tsg68 and others in thanking you for your generosity in donating the light to the community. Kudos! /ubbthreads/images/graemlins/thumbsup.gif
 
In recent PM's with Larry I have already expressed my opinions on the heat issue (especially when using a sandwich, which has a less effective and more finicky heat path to the heat sink mass than the original design).

My desire is for whatever is produced to be a SERIOUS light, not an intermittant-use-only toy, at least if I'm going to buy one. This is how I use my Arc LS Hybrid, and how I would potentially use ANY flashlight.

Using a sandwich also loses the advantage of having the optic pressing the LED into even better contact with the heat sink, and may lose some of the simpleness of the front seal of the head.

This does not mean that a sandwich should not be used, I'm just mentioning potential trade-offs that need to be considered. Personally I consider the electrical design of the regulated sandwiches (BBX00, etc.) to be the best on the market.

BTW: I'm not designing this light, just hoping that someone makes it ... I'm also less comfortable discussing design tradeoffs on a public forum, so I'll quietly bow out. /ubbthreads/images/graemlins/smile.gif

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FYI, I posted links to some sources of cheap CR2's over in the electronics forum. Their prices have dropped to 123 levels. Higher battery costs had been one of my reservations about a CR2 light but it's less of an issue now.
 
Pocket Rocket? /ubbthreads/images/graemlins/icon3.gif

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[ QUOTE ]
DSpeck said:
I am considering building this light...

...To deal with the thermal issues, it may prove to be a good idea to use an adjustable Madmax, and turn it down a little. The user could adjust the brightness, at the expense of runtime and heat...

[/ QUOTE ]

That would be great! I would LOVE an adjustable one. Since this could be the only light you have with you in a given situation, I think an adjustable runtime would be a tremendous plus. /ubbthreads/images/graemlins/cool.gif
 
I believe that to adjust the brightness with a madmax you have to take the light apart and tweak a tiny little trimmer pot. It's not something you could do while using the light. It's still a nice feature though.
 
I just recieved an ARC LS rev 1. I have an E1. I am going to make a adaptor from E1 head to ARC tail. Should be pretty short. Twist on still.
 
McGizmo made one of those, there has to be an extension sleeve to make space for the battery so I think total length ends up about the same. Pics are on his web site.
 
My digital camera is charging. I'll post pics tonight.

I'm thinking of keeping this on CPF instead of using ebay. What do guys think?
 
If you can manage it well on CPF, David, I don't see a reason for getting eBay involved, however, if you have any question about keeping everything in line, then let eBay take the heat.

I'm just going to be watching because I expect this to go well over my limit quite quickly. /ubbthreads/images/graemlins/ooo.gif

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David, I wonder what you thought of the idea of a raffle instead of an auction, which came up before. The raffle has a good chance of bringing in more cash (a few hundred tickets sold at $5 each) and IMO is more in the community spirit (an auction is more of a contest to find the richest member).
 
What Tomas said.

Also, to me it would be great fun to watch this happen at CPF and be able to congratulate the new owner as well as razz them a little. I suppose it would be fine to have a lottery. That would probably be the only way I would have a chance at it. However, it might be fun to watch an auction. I like estimating.

What ever method you use, if it is a CPF thing, you might consider predicting what questions may arise and stating the rules precisely and ahead of time. In doing this, I think the event will be more likely to be fun.

However it works out the S123LSL is a darling.
 
I've had this light for a few days now. (Hoping nobody would remember what was sent to me. /ubbthreads/images/graemlins/wink.gif /ubbthreads/images/graemlins/tongue.gif ) But the light is awesome. I can't keep it to myself.

As far as raffle goes I don't think I can do that. Gaming laws and such. /ubbthreads/images/graemlins/tongue.gif

Raffle could be more friendly to CPF members. But auction is the simplist way to go right now. In my opinion.
 
/ubbthreads/images/graemlins/grin.gif I knew I had forgotten something. /ubbthreads/images/graemlins/grin.gif

Thank you for providing a fun and well-mannered board!

Larry
 
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