A little update on progress…
I'm still in testing... but I was very surprised at the difference the tiny 50mm reflector & condenser is making with the big single ended 400 watt bulb I'm using. With or without the condenser the reflector improves overall brightness.
With the condenser in place, I can put a sheet of 3M DBEF film in the light engine and have just as much light output as if it wasn’t there without a condenser.
One problem I may run into with this design is it being too bright. I think I'll either HAVE TO use films to control brightness or not use the condenser at all with this pyramid. This Suckas bright
Oh and I did add a sheet of Lexan to the box for all you plexi fans You'll see when I post up the new pics
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I'm still in testing... but I was very surprised at the difference the tiny 50mm reflector & condenser is making with the big single ended 400 watt bulb I'm using. With or without the condenser the reflector improves overall brightness.
With the condenser in place, I can put a sheet of 3M DBEF film in the light engine and have just as much light output as if it wasn’t there without a condenser.
One problem I may run into with this design is it being too bright. I think I'll either HAVE TO use films to control brightness or not use the condenser at all with this pyramid. This Suckas bright
Oh and I did add a sheet of Lexan to the box for all you plexi fans
You'll see when I post up the new pics.
huh funny that i was fooling with mine last night and i noticed the same, the condenser seam's to eat some light (im talking about 0.5% lol) rather then make it brighter, either way it doesnt matter what condenser i use with or without one it doesnt seem to make much difference with this reflector, sorry to hear it may be abit too bright but that u can fix, im sure u could get a big *** image with that machine of yours.
Trev
No, no... the condenser works great... but it may be the center of the brightness problems. It may be too bright with this condenser! I had to use films to control the brightness with the condenser in place. The pyramid alone works like a giant condneser with this bulb... so I really dont think I need it as long as I dont use films. If I end up using the DBEF films I'll keep it in.
I'm just about finished with my adjustments to the aluminum case. I'm hoping to have screen shots by christmas day. Make it a gift to myself
I just adjusted some of my heights and centered everything. After I mounted the LCD it sat 1/8 of an inch off center. The top was longer then expected due to how I had to mount the PCB's. I re-designed the light chamber (again, made it a bit longer for the condenser) and made some changes to how I had the mirror mounted. Even if I dont have actual screenshots by the holiday, I'll have updates of the construction.
I just adjusted some of my heights and centered everything. After I mounted the LCD it sat 1/8 of an inch off center. The top was longer then expected due to how I had to mount the PCB's. I re-designed the light chamber (again, made it a bit longer for the condenser) and made some changes to how I had the mirror mounted. Even if I dont have actual screenshots by the holiday, I'll have updates of the construction.
Raw pic of optic mounts, instead of making a light box I made the pyramid longer so these mounts are totally inside the pyramid. Something different.
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Thanks guys...
I'm hoping to have more updates later on.
It's not nearly as small as Ace's design... instead of keeping the size down I wanted to make a unit with as high a resolution and contrast as I could.
And thanks for the advice Ace, The new pyramid was cut after talking to you. Big help
I'm hoping to have more updates later on.
It's not nearly as small as Ace's design... instead of keeping the size down I wanted to make a unit with as high a resolution and contrast as I could.
And thanks for the advice Ace, The new pyramid was cut after talking to you. Big help
Updated Front pyramid/power:
*Before both new angle supports were added to the power chamber
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*Before both new angle supports were added to the power chamber
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Coming Soon
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No problems what-so-ever. As of right now I cant see myself going back to a 250 watt electronic setup. It's just not worth it and the 250 isnt much smaller either. Not to mention the bulb is cheaper, the ballast is cheaper and it's A LOT brighter.
As for tips, I'm sure you know what your doing and dont need any But You dont really need the condenser and reflector setup cause without it inside the pyramid we both use, the lamp is more then bright enough. But with them in place, inside the setup, the lamp is the brightest I've used so far.
Im finally off today, so I hope to have some final screenshots soon. I'll get exact measurements of the bulb in the socket for you. I just dont remember them right now.
www.diybuildergroup.com
Coming Soon
As for tips, I'm sure you know what your doing and dont need any
But You dont really need the condenser and reflector setup cause without it inside the pyramid we both use, the lamp is more then bright enough. But with them in place, inside the setup, the lamp is the brightest I've used so far. Im finally off today, so I hope to have some final screenshots soon. I'll get exact measurements of the bulb in the socket for you. I just dont remember them right now.
www.diybuildergroup.com
Coming Soon
hmmm looks like a 400w MH bulb to me
your right its not much bigger than the HQI but HQI were used mostly to retrofit OHP..and then the enclosure craze came out lol
I used my HQI in my OHP that 400 w wouldnt even be close to fitting it.
BTW nice design a bit big but who cares! lol
Im guessing your using that NEC 1560M...
How much u want for that enc?
your right its not much bigger than the HQI but HQI were used mostly to retrofit OHP..and then the enclosure craze came out lol
I used my HQI in my OHP that 400 w wouldnt even be close to fitting it.
BTW nice design a bit big but who cares! lol
Im guessing your using that NEC 1560M...
How much u want for that enc?
few time ago I bought an 250 W hqi-ts !
i am using it for a 17" lcd the 250 is fine for a 15" but i want the extra lumans for the 17" and the specs are better all around
this fourm is about to see the first 17" DVI-I 1600X1024 super widescreen lcd projector with full 24bit color support no dithering
and full 720p hdtv compatibility for under $1000
this fourm is about to see the first 17" DVI-I 1600X1024 super widescreen lcd projector with full 24bit color support no dithering
and full 720p hdtv compatibility for under $1000
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