Author Topic: 680 Meter Beam Shots  (Read 6237 times)

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Offline Nightbird95

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680 Meter Beam Shots
« on: August 30, 2013, 06:23:40 AM »
There was a power outage again in where I lived three days ago and I saw an opportunity to test my dedomed BTU Shocker and compare it with my other dedomed throwers. Also, I just started getting the lux readings of my lights and I thought that would be the right time to validate their computed throw distances.

In a hill to the North of the housing village I'm living are two communication towers which cannot be seen at night no matter how strong my flashlight is because of the street light located between the towers and my home. Here are the two towers. The one in the left is covered from my view by trees while the one at the right, which according to Google Earth is 680 meters away, can be seen clearly:


I only took beam shots of my flashlights that have at least 90 KCD on my measurements. Only five of my flashlights exceeded the 90 KCD mark so here they are:

Jacob A60, XR-E Q5 stock - 91,171 CD measured at 11 meters:


Police CY-T91, XM-L U2 dedomed on copper star, resistor +2xR500 - 118,556 CD at 11 meters:


Small Sun ZY-T08, XM-L2 T6 1B dedomed with copper heatsink, direct-wire - 208,391 CD at 11 meters:


Sup Beam K40, XM-L2 T6 1B dedomed, direct-wire - 251,806 CD at 11 meters:


BTU Shocker, 3x XM-L2 T6 1B dedomed on copper star - 409,101 CD at 11 meters:


To give justice to my other throwers that I dedomed too and which cannot touch 600 meters, I took another set of beam shots on a tree 95 meters from my location:

4Sevens Maelstrom X10, XM-L stock - 41,912 CD at 11 meters:


UltraFire PM-8099, XR-E Zoomie, 612 driver - 48,257 CD at 11 meters:


Unbranded Zoomie from Ebay, XM-L dedomed on copper star - 67,460 CD at 11 meters:


Convoy C8, XM-L U2 dedomed, 12x7135 - 67,961 CD at 11 meters:


Jacob A60, XR-E Q5 stock - 91,171 CD measured at 11 meters:


Police CY-T91, XM-L U2 dedomed on copper star, resistor +2xR500 - 118,556 CD at 11 meters:


Small Sun ZY-T08, XM-L2 T6 1B dedomed with copper heatsink, direct-wire - 208,391 CD at 11 meters:


Sup Beam K40, XM-L2 T6 1B dedomed, direct-wire - 251,806 CD at 11 meters:


BTU Shocker, 3x XM-L2 T6 1B dedomed on copper star - 409,101 CD at 11 meters:


That's all for now. I'm constantly finding ways to increase the outputs of my lights so I'll be posting more beam shots when I have significant changes done.  :)

Offline JohnnyMac

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Re: 680 Meter Beam Shots
« Reply #1 on: December 10, 2013, 04:29:23 PM »
Those are some impressive beamshots, Nightbird!  Thanks so much for sharing.  How the hell did I miss these before??

Offline MRsDNF

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Re: 680 Meter Beam Shots
« Reply #2 on: December 10, 2013, 08:07:03 PM »
very nice shots from some very nice lights. Was there any aircraft traffic around while you were doing this. I reckon you would have scared everything away.
When the big picture is to big, look for a point you can start at and build from there.

Offline 18sixfifty

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Re: 680 Meter Beam Shots
« Reply #3 on: December 12, 2013, 04:32:02 AM »
Nice beamshots. You just gotta love de-doming for throw.

Offline Ashlynashe

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Re: 680 Meter Beam Shots
« Reply #4 on: March 30, 2015, 08:42:01 AM »
You’re too pessimistic.