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Posted

I will try to take some beam shots within the next few days.

 

I am using the same Luxeon LEDs on the helmet as in my bar mounted light, for which I have posted beam shots earlier in this thread. Only difference is that the bar light uses 3 LEDs with a triple spot lens, so is brighter with less side spill and can be aimed further ahead.

 

 

Posted

i've just finished my cree bike light. contains 3 x cree Q5's at 1000 mA with 8 deg cree optics. should give 600 - 700 lumens. I just need to find a cover/lense for the front then i'll take it out into jonkers hoek... Very simple housing but works good for me and gets rid of the heat very effectively as the housing is used as a heat sink.

 

Used a mounting from an old cat eye light that works pretty good.20080706_173358_IMG_6073.jpgSo

 

20080706_172923_IMG_6063111111.jpg
night tider2008-07-06 17:37:12
  • 2 months later...
Posted

 

 

 

I will try to take some beam shots within the next few days.

 

OK, it been more than a few days, but beam shots need to be done outside after dark and the weather in the Cape has been miserable.

On the better evenings I rather went for a ride and went back in immediately afterwards!

 

Here is a beam shot for the DIY helmet light described in my earlier post

 

Panasonic FZ20 with auto white balance

4 seconds @ F4, ISO 100:

 

20080921_141316_headlight_640x4.JPG

 

The tree in the foreground on the right is 14m from the garden shed.

I was standing next to the camera and tripod 2m back from the tree, which makes it 16m from the garden shed.

 

As said before, the intention is not to use this light on its own, but to complement a bar mounted light.

 

mountain_lion2008-09-21 14:28:13

Posted

 

I did a short test ride earlier this evening; works very well when swerving through the trees.
I still need to take the light for a proper single track test ride...

 

Let me know if you are taking passengers along.
I'm always keen for night rides around these parts.
Posted
I will try to take some beam shots within the next few days.


OK' date=' it been more than a few days, but beam shots need to be done outside after dark and the weather in the Cape has been miserable.
On the better evenings I rather went for a ride and went back in immediately afterwards!

Here is a beam shot for the DIY helmet light described in my earlier post

Panasonic FZ20 with auto white balance
4 seconds @ F4, ISO 100:

20080921_141316_headlight_640x4.JPG

The tree in the foreground on the right is 14m from the garden shed.
I was standing next to the camera and tripod 2m back from the tree, which makes it 16m from the garden shed.

As said before, the intention is not to use this light on its own, but to complement a bar mounted light.

[/quote']

 

Wow, mountain lion, that is brighter than the 3 x 1W Luxeon setup you built!  If you combine this helmet setup with the 3W handlebar combination you will have amazing light.  Now I'd like to see the two compared of courseWink

 

Thanks for the pics and good luck!
Posted

My newest housing for a few lights i'm going to build. looks very good!!!

Just have to do a little machining to customize the housing to work.

Pics are a little dark, couldn't get the detail with the flash on.

 

 

 20080922_142309_IMG_6096.JPG
night tider2008-09-22 14:23:19
Posted

WH: I used the same LEDs in the helmet light and bar light.

3 Luxeons in the bar light and 2 on the helmet (one spot and one wide lens). Because the copper end caps provide limited heat sinking, I use 0.8A max current for the helmet lights. This works, provided that there is good airflow over the lights, i.e. keep moving!

 

The bar light is brighter than the helmet light.

 

Driving the LEDs with sufficient voltage so that the buck puck can regulate makes a big difference ( I got some 14.8V Li-ion batteries).

 

Might be a better photo than last time too.

Comparative beam shots (and more) coming in a new thread...

 

 

Posted

NT: jou bliksem; toe ek middagete daar kom toe is die laaste een van die flitse op special weg!

 

Apparently some more were due to arrive this afternoon. I will go past Midas on my way to work tomorrow...

 

Posted

Thanks ml!  I have been looking over her in Holland at Cree and Luxeon.  Might try some new setups if I get time.  My rechargeable batteries are not too great anymore, so I am looking for a better charger.  Lots to search for...

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