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Heatsink with 90 degree bend like Thermalright HR-05? - Page 2

post #11 of 23
Thread Starter 
so I found this broken dlp projector in the garbage tongue.gif (mitsubishi xd80u, does 1280x1024 max). I managed to get the pinout of the lamp assembly and bypass the lamp check sensor. And magically it powers on. Of course the bulb inside is dead, but I tried it with a flashlight and I can see everything else is working. So instead of dishing out $400 for a new bulb, which is pointless, I've decided to buy one of them 50w LED ($30) plates like this that outputs 4000LM has a bulb instead. But these things get very hot just like a CPU so you always need some sort of cooling.

I've seen people use a old stock AM2 cooler+fan with it and they can keep the temp down under 50C. powered LEDs are rated for operation under 120C but they significantly lose intensity and lifespan at that temp.

Now the bulb compartment in the projector is only about 4cmx5.5cmx4cm, which is not a lot of room to play with. So this is why I needed a right angle cooler so that the heatsink can stick out of the projector. Another way would be cutting through the side of the projector plastic and mount a regular heatsink. But that is way too much trouble and I dont have tools. I'll probably also make a custom stand for it too.

Ofcourse, either way the projector will be bulkier, but hey if I can spend $50 to revive a projector for 720p movies and have fun doing it, it's worth the money.

i'll was thinking of doing a full tutorial on this aswell, how to build your own cheap projector lamp and hack a projector. Here's the pic of the lamp compartment

Looks like I'll be getting the HR-05, hope it cools ok

452
post #12 of 23
Why not just get a server HSF? You know, something for a 1u.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835114039

EDIT: A better choice due to noise: http://www.newegg.com/Product/Product.aspx?Item=N82E16835106176
    
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post #13 of 23
Quote:
Originally Posted by Jaguarbamf View Post

Why not just get a server HSF? You know, something for a 1u.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835114039
EDIT: A better choice due to noise: http://www.newegg.com/Product/Product.aspx?Item=N82E16835106176

server heatsink is too big for the compartment of that size. his best bet would be a thermalright spitfire IF he can manage to mount it in there. the biggest problem is there is no mounting kit that would work. so he'll have to use thermal glue to mount it on there. he MIGHT be able to use thermal tape. but that may fall off after awhile. thermal glue is almost like epoxy, so, once it's on there, it's ON there:D

201

as you can see, the contact surface of spitfire is quite large. maybe too large for a compartment that only allows for 40mm.
Edited by psyclum - 1/15/12 at 9:08pm
post #14 of 23
Thread Starter 
for the mounting, I'm probably gonna do some sort of custom pressure mount and just use AS5. I'll use thermal glue if it doesn't work, as AS5 is better.
post #15 of 23
Quote:
Originally Posted by Captain Han View Post

so I found this broken dlp projector in the garbage tongue.gif (mitsubishi xd80u, does 1280x1024 max). I managed to get the pinout of the lamp assembly and bypass the lamp check sensor. And magically it powers on. Of course the bulb inside is dead, but I tried it with a flashlight and I can see everything else is working. So instead of dishing out $400 for a new bulb, which is pointless, I've decided to buy one of them 50w LED ($30) plates like this that outputs 4000LM has a bulb instead. But these things get very hot just like a CPU so you always need some sort of cooling.

I suppose it is the XD80U below that is what you are trying to revive:-

http://www.projectorcentral.com/Mitsubishi-XD80U.htm

According to its User Manual (Page 48),the replacement lamp is by 3M and the part number is 78-6969-9719-2.

page 48.JPG

 

 

 

And a replacement should cost around $130, with the lowest at US$113.

http://www.bizrate.com/projector-accessories/871165842.html

http://www.electrified.com/p-372-3m-78-6969-9719-2-e-series-replacement-lamp.aspx?CampaignID=ShopZilla&

 

If you can acquire one at this price, then it gets much closer to HR-05 (~$30) + 50W LED ($30) + some other modding cost.

 

Lastly, what does the 50W LED thing looks like.  I have seen a few heatsink specially designed for LED light use in my local computer stores.  If you can link me to that specific one, I will see if I can find something better than the HR-05.


Edited by windfire - 1/16/12 at 1:30am
post #16 of 23
I know your looking for a 90 degree angle, but would the NH-C14 fit? It is by far the best low profile air heat sink on the market and you also have the option to only use the bottom or top fan which gains you a lot of clearance.

500
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post #17 of 23
Quote:
Originally Posted by Captain Han View Post

for the mounting, I'm probably gonna do some sort of custom pressure mount and just use AS5. I'll use thermal glue if it doesn't work, as AS5 is better.

the problem with pressure mount is it might damage the led lamp. it's hard to make suggestions when i don't know what the lamp looks like and how it's mounted in the projector to begin with. you may have to construct some kind of bracket to interface with the projector compartment to take the load off the lamp. remember with a bent heatsink like the spitfire, there is alot of leveraged weight that is acting on the mount. so it depends on what angle the projector is going to sit relative to the heatsink there may be a need for additional structural integrity to handle the additional leveraged weight of the heatsink.
post #18 of 23

I suppose it is the XD80U below that is what you are trying to revive:-

http://www.projectorcentral.com/Mitsubishi-XD80U.htm

According to its User Manual (Page 48),the replacement lamp is by 3M and the part number is 78-6969-9719-2.

 

page 48.JPG

 

And a replacement should cost around $130, with the lowest at US$113.

http://www.bizrate.com/projector-accessories/871165842.html

http://www.electrified.com/p-372-3m-78-6969-9719-2-e-series-replacement-lamp.aspx?CampaignID=ShopZilla&

 

If you can acquire one at this price, then it gets much closer to HR-05 (~$30) + 50W LED ($30) + some other modding cost.

 

Lastly, what does the 50W LED thing looks like.  I have seen a few heatsink specially designed for LED light use in my local computer stores.  If you can link me to that specific one, I will see if I can find something better than the HR-05.

post #19 of 23
Quote:
Originally Posted by windfire View Post


Windfire what's up with your 2 blank comments? Also @OP: would just putting a strong fan in there do it?

Edit: I managed to dig this up, it's within the size limit http://www.newegg.com/Product/Product.aspx?Item=N82E16835203003
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post #20 of 23
Quote:
Originally Posted by Ghooble View Post


Windfire what's up with your 2 blank comments? Also @OP: would just putting a strong fan in there do it?
Edit: I managed to dig this up, it's within the size limit http://www.newegg.com/Product/Product.aspx?Item=N82E16835203003


There is a bug in the OCN where an edited post does not show up.  I have reported the bug here:-

http://www.overclock.net/t/1184828/your-help-needed-tracking-down-an-elusive-bug/20

 

(I am making use of this reply to see if a quoted reply can invoke the bug).

 

My posts (#15 and #18) are below for Captain Han:-

 

I suppose it is the XD80U below that is what you are trying to revive:-

http://www.projectorcentral.com/Mitsubishi-XD80U.htm

According to its User Manual (Page 48),the replacement lamp is by 3M and the part number is 78-6969-9719-2.

 

page 48.JPG

 

And a replacement should cost around $130, with the lowest at US$113.

http://www.bizrate.com/projector-accessories/871165842.html

http://www.electrified.com/p-372-3m-78-6969-9719-2-e-series-replacement-lamp.aspx?CampaignID=ShopZilla&

 

If you can acquire one at this price, then it gets much closer to HR-05 (~$30) + 50W LED ($30) + some other modding cost.

 

Lastly, what does the 50W LED thing looks like.  I have seen a few heatsink specially designed for LED light use in my local computer stores.  If you can link me to that specific one, I will see if I can find something better than the HR-05.

 


Edited by windfire - 1/16/12 at 1:25am
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