Forum Discussion
MEXICOWANDERER
Jan 23, 2014Explorer
Hah I forgot to mention this is Mexico.
"Surplus, spare, extra, unneeded" copper or aluminum? Shirley you jest. Place a strip of copper on a roadway, count to ten. Then count the number of scrap metal "chattareros" racing to be the first to snatch it up. Bushes, trash cans, under the kitchen sink, every place is scoured to find scrap copper, aluminum and steel.
Copper for pipes does not exist brand new. Plastic, rules.
I found a 17" long 3 lb. heat sink in an electronics surplus store for a 3 X 100 watt LED project I am considering. Cost is 25 dollars plus considerable shipping.
I did some searching on the internet by Google for appropriate 10 watt heatsinks and ended up dizzy. Something pre-drilled would be great.
But something smells like month-old carp about the whole LED lumen, wattage, and heatsink subject. Professional re-sellers like mickey-mouser recommend using heat sinks far and away (by magnitudes) larger than what I see as being used in "advertised for "X" wattage "X" lumen plates". Even Chinese websites show low wattage flood lamps with humungous size heatsinks. The fixture price is not cheap.
For the "Big Lumen Project" I am damned near ready to throw in the towel and buy a 400 watt Metal Halide fixture. I simply cannot find any way to verify 4 100 watt LED plates would stand a chance to supply equivalent lighting. The fixture is going up twenty three feet in the air to light up a warehouse size store. The LED promise is enticing, supposedly much less wattage (try FIFTY DOLLARS A MONTH SAVINGS in power if the LED hype is true). But something is wrong with the tinker-toy grade experiences I have had with the smaller plates. It is embarrassing to find out "You Have Been HAD Bro'"
"Surplus, spare, extra, unneeded" copper or aluminum? Shirley you jest. Place a strip of copper on a roadway, count to ten. Then count the number of scrap metal "chattareros" racing to be the first to snatch it up. Bushes, trash cans, under the kitchen sink, every place is scoured to find scrap copper, aluminum and steel.
Copper for pipes does not exist brand new. Plastic, rules.
I found a 17" long 3 lb. heat sink in an electronics surplus store for a 3 X 100 watt LED project I am considering. Cost is 25 dollars plus considerable shipping.
I did some searching on the internet by Google for appropriate 10 watt heatsinks and ended up dizzy. Something pre-drilled would be great.
But something smells like month-old carp about the whole LED lumen, wattage, and heatsink subject. Professional re-sellers like mickey-mouser recommend using heat sinks far and away (by magnitudes) larger than what I see as being used in "advertised for "X" wattage "X" lumen plates". Even Chinese websites show low wattage flood lamps with humungous size heatsinks. The fixture price is not cheap.
For the "Big Lumen Project" I am damned near ready to throw in the towel and buy a 400 watt Metal Halide fixture. I simply cannot find any way to verify 4 100 watt LED plates would stand a chance to supply equivalent lighting. The fixture is going up twenty three feet in the air to light up a warehouse size store. The LED promise is enticing, supposedly much less wattage (try FIFTY DOLLARS A MONTH SAVINGS in power if the LED hype is true). But something is wrong with the tinker-toy grade experiences I have had with the smaller plates. It is embarrassing to find out "You Have Been HAD Bro'"
About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,283 PostsLatest Activity: Jul 17, 2025