@eebasist,
the wattage is the same as my original 150 which was perfect for me.
@xblocker
as i stated earlier the main problem was chipping out the old ceramic at the base of the reflector which was quite tedious but worth it, However i did have to use a glass drill bit to slightly widen the aperture of the reflector so the the bulb would fit. After that it was just a case of soldering the lamp terminals to the existing ones which at first i was worried about thinking that the heat would melt the solder, but fortunately solder must be able to withstand immense heat as it is still intact....... I keep checking this at intervals to make sure everything is running smoothly, and touch wood up to now it is. 🙂
fido
the wattage is the same as my original 150 which was perfect for me.
@xblocker
as i stated earlier the main problem was chipping out the old ceramic at the base of the reflector which was quite tedious but worth it, However i did have to use a glass drill bit to slightly widen the aperture of the reflector so the the bulb would fit. After that it was just a case of soldering the lamp terminals to the existing ones which at first i was worried about thinking that the heat would melt the solder, but fortunately solder must be able to withstand immense heat as it is still intact....... I keep checking this at intervals to make sure everything is running smoothly, and touch wood up to now it is. 🙂
fido
Anyone know what the price is or where to get this?
http://www.venturelighting.com/LampsDataSheets/DoubleEnded/25779.pdf
I'm looking for the bulb and required ballast.........i think the 10K lumens will suit me just fine.
Or does anyone know what type of ballast is required for this?
http://www.bltdirect.co.uk/item131.htm
These lamps look ideal for me due to cost.....cant seem to find a low cost 250 watt bulb
http://www.venturelighting.com/LampsDataSheets/DoubleEnded/25779.pdf
I'm looking for the bulb and required ballast.........i think the 10K lumens will suit me just fine.
Or does anyone know what type of ballast is required for this?
http://www.bltdirect.co.uk/item131.htm
These lamps look ideal for me due to cost.....cant seem to find a low cost 250 watt bulb
Eebasist,
The lamp Fido has, appears to be an HQI MH type that requires an igniter. These types are often used in aquariums, and a representative selections of appropriate ballasts can be seen here:
http://www.reefsplendor.com/pages/pfo/pfo.ballasts.html
Bill.
The lamp Fido has, appears to be an HQI MH type that requires an igniter. These types are often used in aquariums, and a representative selections of appropriate ballasts can be seen here:
http://www.reefsplendor.com/pages/pfo/pfo.ballasts.html
Bill.
so basically projectors must use the same or very simalar devices to start the bulbs. I guess i must have struck lucky here as even the way the bulb starts is identical to the way it started with my original.
fido
fido
Fido,
Yup, and yup!
Projectors often do use similar ignitors to start the bulbs, but not all necessarily the same as this.
If your current drain had been different for the two bulbs, you might have reached a condition where either the bulb, ballast or ignitor burnt out or exploded.
So, you were lucky too. But, who dares, wins!
Enjoy!!!
Bill.
Yup, and yup!
Projectors often do use similar ignitors to start the bulbs, but not all necessarily the same as this.
If your current drain had been different for the two bulbs, you might have reached a condition where either the bulb, ballast or ignitor burnt out or exploded.
So, you were lucky too. But, who dares, wins!
Enjoy!!!
Bill.
Great....too bad i cant find a cheap ballast to use for this project. I was hoping i could get a ballast for 50$, bulb for 30 and be happy, but a 100$ ballast for something that might not work, now that makes me think i should find something that works on 250 watts for the extra money.
Eebasist,
Search on the web for HQI ballast manufacturers, and try talking to these people:
http://www.icecapinc.com/methal.htm
They claim their ballast will drive ANY 250 Watt HQI bulb...
Tell them the parameters of the bulb you are looking at, and they might be able to help.
Bill.
Search on the web for HQI ballast manufacturers, and try talking to these people:
http://www.icecapinc.com/methal.htm
They claim their ballast will drive ANY 250 Watt HQI bulb...
Tell them the parameters of the bulb you are looking at, and they might be able to help.
Bill.
i saw that they have ballasts to drive all 250 watt bulbs, this would be the safest way to go as you know you cant damage your projector this way, may cost a little more but in the long run you will save because you only need to buy the ballast once.
good luck eebasist
fido 😉
good luck eebasist
fido 😉
i,m sure osram do HQI type bulb at 250 watt go to and search there site for a suitable bulb. If i come across any i wil let you know eebasist
fido
fido
Yeah, been to the site...cant open the catalogue from home though. I havent been impressed with the hours on the HQI 250 if i recall correctly. And the cost of the bulb is signifigantly higher than the 150 watt.....but i guess if thats the best i can do
Well I've searched and am not very impressed with the 250watt specs.....a life of 750 hours just isnt worth it. Anyone know of any other Single ended 250 watt MH bulbs that last a long time and are cheap.......or should I start looking at double ended bulbs and try and make a reflector. BTW how hot is too hot?
Anyone know if Home Depot or Menard's carry ballasts or fixtures (like a flood light) for Metal Halide?
They both carry Metal Halide bulbs I know.
They both carry Metal Halide bulbs I know.
I would stay with the double ended eebasist they are a good source cheap and last very long
fido🙂
fido🙂
Yeah i just found out i have to use a double ended bulb. I just have to decide if i need 250 watts or 150. Thats almost a 2x difference in lumens. I've been looking everywhere online....now i need to look at the dimensions. of the box i have.....i need to make sure it will fit. Part of me wants to drill a hole in the projector to fit a mogul based bulb. Who knows
NordicNINE,
Floodzilla!!! It's expensive, though... You can get 400 Watt MH setups for half the price! See DIY thread 1.
Eebasist,
Drilling holes is fun, but the problem with the bigger bulbs is finding a suitable reflector.
Bill.
Floodzilla!!! It's expensive, though... You can get 400 Watt MH setups for half the price! See DIY thread 1.
Eebasist,
Drilling holes is fun, but the problem with the bigger bulbs is finding a suitable reflector.
Bill.
Doesn't seem outrageous though.
You're looking at about what $65 for a ballast & socket. $25 for bulb, $10 for reflector. That's $100 total. I don't live near a Home Depot, but I'm going near one tomorrow when I have to go get some PC parts. Do they carry the reflectors, ballasts, etc...?
You're looking at about what $65 for a ballast & socket. $25 for bulb, $10 for reflector. That's $100 total. I don't live near a Home Depot, but I'm going near one tomorrow when I have to go get some PC parts. Do they carry the reflectors, ballasts, etc...?
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