I need three Silent fans in uncommon sizes.

[theomms]

The three fans i need to replace with silent ones are:

Fan 1:
60x60x25mm
BUT, has a real small 3-pin connector(here is a pic of it)
runs @ 12V, 0.25A

Fan 2:
50x50x10mm
has same 3-pin connector as "Fan 1"
runs @ 12V, 0.14A

Fan 3:
50x50x10mm (same size as "Fan 2")
has 2-pin power connector
runs at 5v, 0.25a

These fans are out of an epson powerlite 500c projector. It is an awsome projector except for the fact that is too loud for some people to watch a movie (read as too loud for wife). So i want to quiet it down.

If there are no quiet fans with the right kind of connector, can i just solder the new fan onto the old fans connector?

thanks in advance
-theo!

 

[Fullmetal Chocobo]

Find the fans and solder the connectors...

 

[w00t]

well, the fans they put in there probably cool it down if you replace them with quieter fans than its going to run hotter. I recommend maybe trying to oil your fans or get better audio it shouldnt be able to be heard over your speakers.

 

[theomms]

Originally posted by: w00t
well, the fans they put in there probably cool it down if you replace them with quieter fans than its going to run hotter. I recommend maybe trying to oil your fans or get better audio it shouldnt be able to be heard over your speakers.

i was being cute earlier, but the noise of this projector is no petty complaint it runs at 40db! when you shut it down the third fan kicks in ans the thing is as loud as a vacuum. i hear what you are saying but i was hoping that there was some pioneering technology to quiet fans than just moving at a lower rpm and pushing less air. Is there?

 

[Zepper]

The reason for the noise is to cool the projection lamp system down after use for longevity. Those bulbs don't last long if not kept cool - actually they don't last long in any case. You could always sell your current projector and get one that is built bigger for more efficient cooling - apparently the one you have was built for portability. Those sizes of fans in that type of application would be extremely stupid otherwise...

.bh.

 

[theomms]

Originally posted by: Zepper
The reason for the noise is to cool the projection lamp system down after use for longevity. Those bulbs don't last long if not kept cool - actually they don't last long in any case. You could always sell your current projector and get one that is built bigger for more efficient cooling - apparently the one you have was built for portability. Those sizes of fans in that type of application would be extremely stupid otherwise...

.bh.

Thanks for your reply. I understand the function of fans; they cool stuff. What I was assuming was that the fans that epson used were the cheapest fans possible at the time. The time being 2002.

I guess what I am really asking is: are there any fans in those sizes that will move air at the normal rate for their respective sizes and also operate at a quieter noise level?

 

[theomms]

Originally posted by: theomms
I guess what I am really asking is: are there any fans in those sizes that will move air at the normal rate for their respective sizes and also operate at a quieter noise level?

does anyone know?

 

[Quasmo]

do you happen to know how many cfm's (cubic feet [of air] per minute) each fan was pushing? You MUST get fans that have atleast the same ratings of cfms.

 

[theomms]

Originally posted by: Quasmo
do you happen to know how many cfm's (cubic feet [of air] per minute) each fan was pushing? You MUST get fans that have atleast the same ratings of cfms.

I can't find teh exact CFM for my projector but i did find that the average amount of CFM for a 50mm fann is 9-17 CFM

and a 60mm fan is 15-25 CFM

are there any quiet fans that move the upper range of air listed?