The Lounge 2016

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Great beamshot NL. I love the E14. No hot spot, super low moonlight and yet a mini powerhouse when needed.

This is my favorite nightstand light.
 
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Yep pretty cool little quad it is. I gave one of the cheaper S41S lights to my sister for Christmas. Couldn't afford an E14 but she don't know Manker from Shinola.
 
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Offgridled said:
Did you go up Angeles Crest to take the picture . Great shot bro!
Click to expand...

I went to Eaton Canyon. That shot is from the mt Wilson toll road on the way to henninger flats. Its' crazy how bright the city lights are, even from that distance.

It was crazier watching the 4th of July activities from there too! I heard Griffith was another awesome place to see July 4 fireworks but I tend to avoid large crowds.
 
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Does anyone know how to convert yards or meters to lux?
sometimes companies don't state how many kcd their light throws, and just in meters and yards.
 
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b8llzblue said:
Does anyone know how to convert yards or meters to lux?
sometimes companies don't state how many kcd their light throws, and just in meters and yards.
Click to expand...
Throw in meters = square root of (candela divided by 0.25)

Candela = 0.25*(throw^2)

I know my m3xs-ut is 250,000 cd and 1000m, so if I try to remember the formula and it doesn't calculate to this, I know I've got the wrong formula.
 
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I wrote this when I was in college
kb64hc.jpg


LIGHT OUTPUT CALCULATIONS
Lux = candela / distance in meters * distance in meters
Foot-candles = candela / distance in feet * distance in feet
Foot-candles = Lux / 10.764 = lumens/sq. meter
Lumens/sq. ft. * 1 = foot-candles
Lumens/sq. ft. * 10.764 = lumens/sq. meter
Lumens * 0.07958 = spherical candle power
Lux * 0.0929 = foot-candles
Lambert * 0.3183 = candles/sq. cm
Lambert * 295.720 = candles sq. ft.
Lambert * 1 = lumens/sq. cm
LIGHT BEAM CALCULATIONS
Beam diameter = distance * (2 * tan (beam angle / 2))
Throw distance = Square root ((horizontal dist. * horizontal dist.)
+ (vertical dist. *
vertical dist.))
POWER CALCULATIONS
Power = Voltage * current (Watts = Volts * Amps)
Current = Power / Voltage (Amps = Watts / Volts)
RMS Volts = 0.707 * Peak Volts RM
S Volts = 1.11 * Average Volts
LIGHT ICAL CALCULATIONS
Foot-candles * 10.764 = lumens/sq. meter = lux
Lumens/sq. ft. * 1 = foot-candles
Lumens/sq. ft. * 10.764 = lumens/sq. meter
Lumens * 0.07958 = spherical candle power
Lux * 0.0929 = foot-candles
Lambert * 0.3183 = candles/sq. cm
Lambert * 295.720 = candles sq. ft.
Lambert * 1 = lumens/sq. cm
DC VOLTAGE DROP OF CONDUCTOR (cable) OF L LENGTH
V = voltage drop, I = current
R = resistance of conductor per 1000 feet
L = length of conductor in feet
R for 18awg = 6.51, 16awg = 4.09, 14awg = 2.58
12awg = 1.62, 10awg = 1.02, 8awg = 0.64
V = I * L * (R / 1000) * 1.004
 
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eekazum said:
I went to Eaton Canyon. That shot is from the mt Wilson toll road on the way to henninger flats. Its' crazy how bright the city lights are, even from that distance.

It was crazier watching the 4th of July activities from there too! I heard Griffith was another awesome place to see July 4 fireworks but I tend to avoid large crowds.
Click to expand...
I've been up there many times the really cool thing is how much water is back in the stream now. You have to love our mountains:) great picture you took. Angeles Hwy is great for forth of July also. Good times bro!!
 
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Offgridled said:
I've been up there many times the really cool thing is how much water is back in the stream now. You have to love our mountains:) great picture you took. Angeles Hwy is great for forth of July also. Good times bro!!
Click to expand...

I​ need to check out that waterfall again!
 
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Happy new year guys and gals,
I'm waiting for my first V54 light: P60vn quad 219c.
May I join the V54 club?
Pukchi.
 
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I got knocked off around 10 pm.. lol. I am kind of awake now. Happy new year skylumen and cpf. Thanks vinh for providing excellent flashlights, and quick email. I hope everybody have a safe new year,and work hard.
 
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