Bike Forums - Search Results

Search: Posts Made By: dougmc

Showing results 1 to 4 of 4
Search took 0.01 seconds.

Forum: Electronics, Lighting, & Gadgets

02-02-14, 02:41 PM

Replies: 54

Problems with the popular $20 headlight/headlamp

Views: 4,368

Posted By dougmc

No way. I've got the original Magicshine...

No way.

I've got the original Magicshine MJ-808 and the clones -- both recent and older. The MJ-808 was rated at 900 lumens, and was believed to be 600 lumens or so real-world. The clones that...

Forum: Electronics, Lighting, & Gadgets

12-10-13, 09:49 PM

Replies: 54

Problems with the popular $20 headlight/headlamp

Views: 4,368

Posted By dougmc

The strap it comes with is meant to use as a...

The strap it comes with is meant to use as a headlamp without a helmet. It works, though the light is a lot heavier than most headlamps so it feels "weird".

As for where to put the battery, the...

Forum: Electronics, Lighting, & Gadgets

12-05-13, 03:05 PM

Replies: 54

Problems with the popular $20 headlight/headlamp

Views: 4,368

Posted By dougmc

You don't need to solve an equation. 10...

You don't need to solve an equation.

10 meters * tan(35 degrees) = 6.1 meters.

That said ... the Magicshine beams aren't that wide. There's a weak beam that's larger than 35 degrees (it's...

Forum: Electronics, Lighting, & Gadgets

12-05-13, 12:27 PM

Replies: 54

Problems with the popular $20 headlight/headlamp

Views: 4,368

Posted By dougmc

They aren't 1800 lumens, but as you said, 800...

They aren't 1800 lumens, but as you said, 800 lumens is likely. (Note that "this type of light" has been a moving target, with different emitters used. In general, the newer ones are better than...

Showing results 1 to 4 of 4