You can add a thermal switch thermaly connected to the heatsink of the 
transmitter, 
73
 
groeten Peter          website    www.pa0pvn.tk <http://www.pa0pvn.tk/>         
 
petervn-at-hetnet-nl  pa0pvn-at-hetnet-nl  pa0pvn-at-amsat-org
only large files:        pa0pvn-at-gmail-com
There are 10 kind of people, those who can count to 1010 on their fingers,
and those who count to 1111111111.
 

________________________________

Van: [EMAIL PROTECTED] namens Carl Vangsness
Verzonden: do 27-3-2008 14:44
Aan: Dave WO2X
CC: flexradio@flex-radio.biz
Onderwerp: Re: [Flexradio] Fw: SDR-1000 fan mod question



I used a nibbling tool to cut out all the metal in the enclosure in the
direct path of the fan. One big octagonal hole instead of many small
ones. Reduced noise a great deal. Also tried removing the filter.
Absolutely no effect.

Carl WC0V


Dave WO2X wrote:

>Hi All,
>
>Picked up an SDR-1000 for some experimenting and notice the intake fan is very 
>loud.
>
>I remember reading about someone who modified the case to cut the metal and 
>plastic from in front of the fan to improve air flow and reduce noise. I've 
>tried to do a search but cannot find the original thread.
>
>Can anyone provide input on this mod or other fan mods which would quiet down 
>the fan?
>
>Thanks,
>Dave
>wo2x
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>
> 
>


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