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How can I mod the Delta 6800rpm to run around 4000rpm?

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YahooDave

Member
Joined
Feb 7, 2001
I have the Swiftech 462A HSF. It comes with the 80mm Delta which can be pretty loud also. I bought the optional rehostat from them that allows me to control the speed of the fan. You should be able to get one at Radio Shack but I am not sure which one will work. Hopefully someone else will chime in with that answer.
 

klosters64a

Senior Member
Joined
Dec 17, 2000
Location
Seattle, Wa
You can use a rheostat to adjust rpm, or wire the fan so that it runs on 7v instead of 12v. I have no idea how the noise sitch will be.
 
OP
M

MidnightClocker

Member
Joined
Jan 17, 2001
klosters64a (May 03, 2001 08:39 p.m.):
You can use a rheostat to adjust rpm, or wire the fan so that it runs on 7v instead of 12v. I have no idea how the noise sitch will be.

What do I need to do this and how?
 
K

Kryten

Guest
klosters64a (May 03, 2001 08:39 p.m.):
You can use a rheostat to adjust rpm, or wire the fan so that it runs on 7v instead of 12v. I have no idea how the noise sitch will be.

By reducing the voltage it will slow the fan also reducing the noise
 
OP
M

MidnightClocker

Member
Joined
Jan 17, 2001
Kryten (May 03, 2001 09:47 p.m.):
klosters64a (May 03, 2001 08:39 p.m.):
You can use a rheostat to adjust rpm, or wire the fan so that it runs on 7v instead of 12v. I have no idea how the noise sitch will be.

By reducing the voltage it will slow the fan also reducing the noise


I know, but how do you do that?
 

stool

Senior Member
Joined
Dec 20, 2000
Location
Albany, NY
There is an article on the front in Tips and Techniques, called, I believe, Relays and Rheostats, that will show you what to get and how to do it. What I don't understand is why you would want to slow down one of the most powerful CPU cooling fans going. You are much better off buying a cheaper, quieter fan to put on your heatsink, and selling the Delta if the noise bothers you.