DIY LED projector (i stopped working on it)

Step 4: The heatsinks and the fans

here are the best heatsinks and fans i could find in house
i think that the heatsink where i mount the fan to (see video) the best is for cooling
but i think its hard to mount the led to it thats wy i want the flat heatsink without the copper
but i dont know of it cools good enough has any body expericnce with that

the maximum of the lcd is 40 c° but i like to hold it under 30 in the case
thats wy i choose for two fan's one that blows air in trough the heatsink and a liitle one near the lcd that sucks air away
i dont knwo of that wil woork mayby somebody has another idea?
 
UPDATE: i gonna use the big one without copper for the led and the little one for the LM350

Comments

[aekara]

hey i have also made a projector with a 30w led and i used a smaller heatsink and i have no problem with it the maximun i have run the projector was 2hours for a test and the lcd was about 25-30 C so yeah dont worry about that
also the temperature depent on how many current you will give to the led so if you over do it (like i did) the led will be burned

[tvmaster]

have youy used also a fan?

[tvmaster]

and how dit you drive the led?
please help me i dont know much about this kind of led

[aekara]

yep i used a big fan becouse my heatsing is small
well i had started making a led driver but couldnt find some regulators so i bought a 12v 1.2amp adapter and it still works
also i saw that your led is difirent than mine
your take 24volt but less amps
if you have any other question please ask ;)

[tvmaster]

no mine led is 16 volt minimum and 2.1 amps
i dont have questoins at the moment but when i finally can start they will come :p