Same height. Regards, Chuck
On Sat, Jun 3, 2017 at 10:38 AM, Chuck McCown <[email protected]> wrote: > Did you have to lower the T6s or keep them at the same height as the > metal halide? > > *From:* Chuck Hogg > *Sent:* Saturday, June 03, 2017 7:59 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] LED project > > We converted our HiBay MH lights to T6's with occupancy sensors a few > years ago. The power company paid for 60% of it and it reduced our > consumption by about 40%. It's paid for itself now. > > Regards, > Chuck > > On Fri, Jun 2, 2017 at 8:17 PM, Chuck McCown <[email protected]> wrote: > >> I’ll be over 100 years old and will probably be needing some weed at that >> point. >> >> *From:* Eric Kuhnke >> *Sent:* Friday, June 02, 2017 5:59 PM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] LED project >> >> ha, ha, maybe in the year 2065. >> >> >> >> On Fri, Jun 2, 2017 at 4:50 PM, Chuck McCown <[email protected]> wrote: >> >>> I am waiting for Utah to legalize recreational weed.... >>> >>> *From:* Eric Kuhnke >>> *Sent:* Friday, June 02, 2017 5:27 PM >>> *To:* [email protected] >>> *Subject:* Re: [AFMUG] LED project >>> >>> If you can get the light spectrum as broad as possible, sell them to WA, >>> CO, OR, AK, MA and other state legal weed growers. The amount of 1000W >>> metal halide and high pressure sodium light systems in use is nuts. >>> >>> >>> >>> On Fri, Jun 2, 2017 at 3:54 PM, <[email protected]> wrote: >>> >>>> Made some significant progress on a high bay metal halide LED >>>> replacement project today. >>>> Can you tell which light is mine in the photo? If you look on the >>>> floor you can see some labels we put down for a grid. I measured the LUX >>>> at each grid point with metal halide and then with my LED. >>>> >>>> If I integrate all the points on the grid, my LED is only 16 LUX lower >>>> but at less than 30% of. The 300 watts is the max rating of my LED >>>> drivers. I have not actually measured the input power yet, but I am pretty >>>> sure it will be lower. >>>> >>>> In an industrial setting you get hammered for your demand charges. The >>>> highest power draw in a 15 minute window each month. I pay $14.62 per kW >>>> demand. My warehouse burns 24kW just for the lights. So just turning on >>>> the lights for 15 minutes one time in a month the bill is $350. Plus the >>>> energy charge of $158/month for running them 8 hours a day. >>>> >>>> This will take 16.8 kW off the demand which will save $245.62 each >>>> month. Energy charges will be reduced $110 each month for a total savings >>>> of $355.62/month if I convert all the fixtures. Not sure what it will cost >>>> me to make each fixture but I might be able to sell them for that or a bit >>>> more. Once done, if I turn this into a released product and someone >>>> converts a warehouse like mind, the payback will be 12-18 months. >>>> >>>> I am pretty jazzed. I have some heat issues. Right now I am using >>>> forced air with muffin fans but we all know how reliable those things are. >>>> I hope to have a heat pipe version working soon. No moving parts. Silent. >>>> >>>> Then comes a dimmable version, a network version, motion sensor >>>> versions etc. I can be pretty busy on this if I choose to do so. I am >>>> envisioning a phone app where workers can turn on a light in the back >>>> corner if they need it and either turn it off when they are done or it will >>>> time out after 30 minutes or some such thing. We can do time of day >>>> programs etc. >>>> >>>> Best of all, my old metal halides are the type that take 15 minutes to >>>> come back on if there is a power bump. These will be instant on. >>> >>> >>> >> >> > >
