Seen a contractor working for the air force get burnt the fuck up by 69,000 Volts... Blew off some limbs... needless to day I dont think he made it... 69KV will fuck up some flesh...
Seen a guy on a backhoe cut into 12KV powerlines and blew the tires off the backhoe... the driver shit himself...
during the day depending on the color of your shingles on your roof you can have what is called Solar Loading which means the sun is loading heat into your shingles... I used a IR camera for several years as my job and actually got my training at FLIR near Boston Mass... anyway a 250W op isnt...
Your HPS lamp requires a ballast to fire it... The ballast can consist of a transformer capacitor and ignitor... Without the ballast the lamp can not fire... The only way for it to work is to be a self ballasted lamp and to my knowledge there is not such thing in the HPS format... There are self...
I havent fired mine up just yet... I have some NL seed might try and germ soon and test it out... I have been running it empty for a few days to ensure there are no bugs in the design...
I can mold a pipe out of aluminum foil... Just keep a folded up piece in my wallet and unfold it and find a twig or tooth pick to keep the shaft open while you make the bowl... Close the shaft up a lil at the bowl and no screen required...
85% of the power consumed by LED's are converted to heat... Only 15% of the power consumed is used to produce light... As far as the link it stated it was as good as a 600 or 1K HPS that is BS.... In one of the pictures of the device it showed 3 fans on the back panel... I dont see this solving...
you wanna try to have about 5000 lumens per square foot... If I were you I would put 2 26W 6500K lamps with one 26W 2700K for Veg and 2 26W 2700k and a 26W 6500K for flower... this is at a minimum... I have some 13W/15W of each temp rating just in case I need to add more light... A computer...
in order to sink the heat away from the LED you will need to have something that will aid in cooling... The cookie sheet will only sink a minimal amount of heat as there are no fins look at a computer CPU there is a finned heatsink on it with a fan you can get by with the fins mounted on the...