I did it with 1mm sheet, but I think 1.6mm would be better because mine flaps a bit. I drilled a hole and then used a Dremmel clone to open up the hole to the size of the steerer tube. If you haven't got one, you need to get one otherwise you won't be able to call yourself an engineer. The Aldi/Lidl ones are pretty cheap when they do them. You could of course do it the olld-fashioned way with a file.
That's a bastard![]()
... I bought a file today for £2 from that machining firm ... but it's a bit on the large and rough side
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That's a bastard![]()
For a 12V systemIf it's that bright I'd be interested to see how to wire a 'dipped' beam switch for when in town or approaching oncoming vehicles.
Still waiting for mine!
That's neat as a 12v option, must say that there's a lot sense in having a 12v accessory circuit.
Was wondering about the beam pattern. I fitted a diffuser onto both my cree XML lights and the pattern was far better on the road than without. The diffuser pattern can be seen on the comparative pic above. Will look around for one now that the diameter can be ascertained but might be tricky to find that size.3) It has a surprisingly bright and focused hotspot which I'm not sure is a good thing. I'm looking forward to seeing how it performs in reality but looking at the beam pattern in the house it seems far too narrow. I'm hoping there is enough spill to light the road directly in front of the bike; if not then this light is a no-go. Perhaps a diffuser of some sort on the front, we'll see.
4) It doesn't seem very weather proof at all (no o-rings or seals whatsoever).
Was wondering about the beam pattern. I fitted a diffuser onto both my cree XML lights and the pattern was far better on the road than without. The diffuser pattern can be seen on the comparative pic above. Will look around for one now that the diameter can be ascertained but might be tricky to find that size.
I also worried about the weatherproofing as there is no lens / o-ring. The metal casing which the lamp holes are cut out of isn't enough as water would most likely get between this and the lamps into the part where the wires are soldered onto the flexible heat sink. It was very apparent modification was going to be needed when I unscrewed it !