ledaholic
Enlightened
I was trying to figure out what to do with a SSR-90 (star mounted) I got by mistake. I had a spare 3D Mag doing nothing so I decided it would make a good host. I had to hog out the tail cap to recess the spring so I could fit 4 C cells in it. I turned down some stock and made a flat top heat sink to mount the star on. Because of the star, a reflector won't work so I ordered a Carlco optic from Photonfanatic. I don't know the specs of the optic but I can tell you it makes a square image of the die and has a pretty wide spread. It is all square flood. If you want to light up a large area, this is it!
The star on the heat sink.
I cut the bulb tower off the switch and was curious how much current the stock switch could handle so I installed the parts along with 4 Accuevolution 4500mah LSD C cells and fired it up. This sucker is BRIGHT! I took a current measurement at the tail, 11.45A and 3.7V at the emitter! That's a little over 42 watts! I didn't think the switch would last so I installed a MOSFET to carry the load.
Modded switch with MOSFET and heatsink.
I changed the wire from 20ga pvc to 22ga teflon hoping to reduce the current at the emitter a little. I had to trim the optic holder a little for clearence and just use the Mag window to hold it in place by screwing the head all the way down. I also turned some fins in the head to help with the cooling as this thing heats up pretty quick.
The finned head.
And the optic behind the window.
I have an aspheric on order, can't wait to see what that will do. When it gets here in a couple days, I'll do beamshots of both.
Sorry for the less than stellar photos, I don't have much for a camera.
Beamshots,
F2.7 3.2 sec ISO400 white balance set to daylight. Distance about 100 ft
The Carlco optic-
The aspheric-
The shots are a little overexposed, it is cold outside and I didn't want to stay out too long. If the weather is better this weekend, I may redo the shots.
The star on the heat sink.
I cut the bulb tower off the switch and was curious how much current the stock switch could handle so I installed the parts along with 4 Accuevolution 4500mah LSD C cells and fired it up. This sucker is BRIGHT! I took a current measurement at the tail, 11.45A and 3.7V at the emitter! That's a little over 42 watts! I didn't think the switch would last so I installed a MOSFET to carry the load.
Modded switch with MOSFET and heatsink.
I changed the wire from 20ga pvc to 22ga teflon hoping to reduce the current at the emitter a little. I had to trim the optic holder a little for clearence and just use the Mag window to hold it in place by screwing the head all the way down. I also turned some fins in the head to help with the cooling as this thing heats up pretty quick.
The finned head.
And the optic behind the window.
I have an aspheric on order, can't wait to see what that will do. When it gets here in a couple days, I'll do beamshots of both.
Sorry for the less than stellar photos, I don't have much for a camera.
Beamshots,
F2.7 3.2 sec ISO400 white balance set to daylight. Distance about 100 ft
The Carlco optic-
The aspheric-
The shots are a little overexposed, it is cold outside and I didn't want to stay out too long. If the weather is better this weekend, I may redo the shots.
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