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Re: [TenTec] Re: Jupiter Cooling Fan?

To: tentec@contesting.com
Subject: Re: [TenTec] Re: Jupiter Cooling Fan?
From: WmLB@attbi.com
Date: Mon, 30 Dec 2002 12:14:01 -0800
List-post: <mailto:tentec@contesting.com>
Yes. that was one of the two things I did last year when the Jupiter finals went for reasons still unknown. (Was only running about 35 watts on PSK31) In addition to adding one of those quick acting circuit breakers in the line from my power supply , I also added a cooling fan.The fan is an inexpensive computer type axial cooling fan. I made a L shaped piece of "1 x 2" wood and simply clamped it onto the back edge of the shelf directly above and to one side of my Jupiter. (small C-clamp) Calculated the down-leg of the mounting structure so that the center line of the fan was centered on one side of the heat sink on the Jupiter. It is perhaps no more then 2 or 3 inches away from the edge of the heat sink and blows through the fins of the heat sink from one side to the other. It runs continuously since it is powered from one of the accessory 12VDC jacks on the rig. Very quiet.

Hope this helps...

Bill, W6WLB







> The TT Jupiter manual recommends a cooling fan for operating in digital
modes.
>
> Does anyone have a recommended way to mount a fan on the heat sink?  What
size?
> Powered off the 12V Accessory outlet?  Thermostatically controlled?
>
> Tell me how you did it, preferably with photos.
>
> Gary
> VE7GGJ

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