14" 70,000 lumen spotlight project (with beamshots)
Hi folks!
Here is my homemade spotlight/searchlight project.
A few details:
-62 Million Candela
-Range: 15.7 Km / 9.7 Miles 0.25 Lux (ANSI FL-1) or 7.8 Km 1 Lux (DIN)
-850 Watt short arc lamp. 70,000 lumens
-850 watt Electronic ballast with 30 kV igniter
-14"/355 mm Parabolic Electroformed Nickel reflector with Rhodium coating
-55 qt/60 liter Aluminum Stock pot
-Satellite dish tripod
-5050 RGB led strip
-100-260 volt AC input
-Total weight without tripod: 10 kg.
Thanks to Get-Lit, Ra, BVH, Ma_sha1, JP Labs and many more for a lot of knowledge and inspiration!
The finished light:
You can read the thread for all the updates, or you can just click on the shortcuts below.
First update with build pics and the first beamshots:
Power cord and some electrical parts:
Glass flange and some other metal work:
Ballast installation and more metal work
Finished tripod
Air filter and air flow testing
Temperature testing, and picture of the lit lamp
My first northern lights beamshots:
More and better northern lights shots
Installation of electric focus actuator and video:
Installation of RGB LED strip:
Beamshots in fog:
If you are interested in a different type of short arc project, check out my 55 Million Candela, 1955 Francis Searchlight
Hi folks!
Here is my homemade spotlight/searchlight project.
A few details:
-62 Million Candela
-Range: 15.7 Km / 9.7 Miles 0.25 Lux (ANSI FL-1) or 7.8 Km 1 Lux (DIN)
-850 Watt short arc lamp. 70,000 lumens
-850 watt Electronic ballast with 30 kV igniter
-14"/355 mm Parabolic Electroformed Nickel reflector with Rhodium coating
-55 qt/60 liter Aluminum Stock pot
-Satellite dish tripod
-5050 RGB led strip
-100-260 volt AC input
-Total weight without tripod: 10 kg.
Thanks to Get-Lit, Ra, BVH, Ma_sha1, JP Labs and many more for a lot of knowledge and inspiration!
The finished light:
You can read the thread for all the updates, or you can just click on the shortcuts below.
First update with build pics and the first beamshots:
Power cord and some electrical parts:
Glass flange and some other metal work:
Ballast installation and more metal work
Finished tripod
Air filter and air flow testing
Temperature testing, and picture of the lit lamp
My first northern lights beamshots:
More and better northern lights shots
Installation of electric focus actuator and video:
Installation of RGB LED strip:
Beamshots in fog:
If you are interested in a different type of short arc project, check out my 55 Million Candela, 1955 Francis Searchlight
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