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#821 |
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diyAudio Member
Join Date: May 2004
Location: S. Jersey
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I believe this link will describe the effect
http://www.extremetech.com/article2/...1157681,00.asp John |
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#822 |
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diyAudio Member
Join Date: Jul 2004
Location: N/A
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From looking at his photos, I want to say Ace is using an angular ellipsoid reflector... I noticed he added more planes to his light pyramid. I'm only guessing, but it would make sense.
Ellipsoids have an advantage over parabolic reflectors in that they can pre-condense light. In some cases they can even make a separate condenser unnecessary. Here is more information about reflector shapes. |
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#823 |
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diyAudio Member
Join Date: Jun 2004
Location: birmingham
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thanks guys.. its been a great help!!
![]() im still a newbie bear in mind so dont laugh.... what you guys think of a 400 watt MH with a relector.. possibly parabolic or ellipsoid. with a conenser i know its a lot of heat .. but what do you guys think???/ |
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#824 | |
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diyAudio Member
Join Date: Nov 2003
Location: USA
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Quote:
Over 135 Thousand reads On This!!! Still Waiting Too. Great Project He Has... MovLab |
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#825 |
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diyAudio Member
Join Date: May 2004
Location: Uk
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ace get in touch dude, please man
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#826 |
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diyAudio Member
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Guys, sorry for not being around the past 3 weeks, my net conection dropped out as my isp had some major failure with the node for our street (can you beleive it?) it has just been fixed today and lets just hope it stays up lol, so for those who think im dead or have run off, that is not true, my net conection was simply down, and yess i payed my bill lol.
I have alot of emails to get onto so i will be quiet for the next couple of days until im back ontop of things, but ill get back to you all asap. In the mean time ive been playing around again with light engines and found out a few discoveries. The big parabolic reflectors are ok but there is a way to get the light quite abit brighter and the image edges sharper then using one of those big hard to find reflectors for the cdm-t, ill talk about this soon, and also about the light box, thats had a total make over, its smaller, cooler, quieter, and stuctually stronger on the 250w model, it also now works diff from the previous model. The new model has a air mixing chamber and a new ducting system with air tight seals, it comes as a revision number 3 and plans will be available for it soon. As for the projector there is a new model called the performance range, this uses a slightly diff light engine for a better performance, but it will cost about $67 more for the precision reflector used that is easily obtainable, there are also size ajustments in the light engine to acount the extra performance. This isnt fully done so ill keep you posted about it soon. Trev |
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#827 |
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diyAudio Member
Join Date: May 2004
Location: Uk
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Sup dude, never thought you ran off, lol, cheers for the email and gettin ma stuff sent,
cheers mate, |
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#828 |
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diyAudio Member
Join Date: Jul 2004
Location: england
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ace how much are your plans and how do i get them i looked at some of your pics and i am a noob but they look well gd
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#829 |
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diyAudio Member
Join Date: Jun 2004
Location: Calgary
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Ace, good to have you back!
I just hvae on question I hope you can answer, I am planning on using your design for a projector. And just want to know what lcd is used can I use on of the 7" liliput xga tvs? Thanks. EDIT: Never mind, I'm almost positive that you use one. |
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#830 | |
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diyAudio Member
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Quote:
I have 3 ranges of this projector now, standard X-70 (for the early parts buyers), the X-71 wich is a performance enhanced X-70 with minor changes ( just another condenser added and size changes in the light engine, and the X-71-EE ( extreme edition wich costs more and has diff sizes, highest performer). The reason i have done this is to acount for the people who bought some parts in the early days rather then having to buy new parts all over again, also for cost reasons, i beleive in giving people a choice to siut their budget, while also looking after those who have bought the parts in the early days. I honestly didnt think the EE model was going to come out, infact i wasnt even planning on making any other model other then the first X-70, its only time and evolution that has changed this for me and my willingness to get the best out of somthing with what we have. Ill probally cut down the models to only having 2, the X-71 and the X71-EE at a latter date, there is only a few who have the parts for the X-70, but they have to be acounted for, they will also have the free upgrade acess to the higher models as they use basically the same parts, just minus a few xtras where as its the're choice to go the full way or not. People who have the parts for the X-70 can upgrade to the X-71, but the X-71 is different from the X-71-EE. The biggest difference is sizes within the light engine its self. I know it sounds confusing, kind of hard to explain lol. There is also a wood model thats comming out and that will be a totally diff set of plans, the constrution on that model is alot faster as we dont have to worry about scratches nor polishing, that will be out right after the plexi one and houses the same internal sizes with the only diff being abit of construction technique and the outer box. So there we have it, 3 models, no upgrades if possible other then a few minor electronic modds so as we dont have to go rebuilding the whole thing again. Its a rock solid design with no ajustments to be made, and all is interchangable, just be acurate! and your results will follow as expected. I garentee my work to be fail safe and thats how your projector will be. 1 modd that will come is the turn over from using the copy lens to the vari triplet, this is a simple modd that we can do in a matter of min's, we will get onto that as soon as i have the forum up for it and we are all going. Trev |
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