[time-nuts] Rack-mounting an LPRO? (Heatpipe cooler)
Joe Gwinn
joegwinn at comcast.net
Sun Feb 28 15:55:53 UTC 2010
At 2:02 AM +0000 2/28/10, time-nuts-request at febo.com wrote:
>Date: Sat, 27 Feb 2010 20:02:05 -0600
>From: Ed Palmer <ed_palmer at sasktel.net>
>Subject: Re: [time-nuts] Rack-mounting an LPRO?
>To: Discussion of precise time and frequency measurement
> <time-nuts at febo.com>
>Message-ID: <4B89CE9D.4060103 at sasktel.net>
>Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>
>Sorry, the pictures got lost. Let's try again.
>
>Ed Palmer wrote:
>> What else is going to be in the rack? If your 1U enclosure is packed
>> in tight between other devices there might be no cooling at all. You
>> might need a fan to move some air.
>>
>> I don't know if you can find something like this, but I scavenged heat
>> sinks from an old Compaq DL760 server that might fit your situation.
>> Here's what the heat sink looks like. The aluminum plate is about
>> 1/4" (6.4 mm) thick. Notice the heat pipes.
>>
>>
>>
>> Here's what it looks like on the LPRO. You'll have to drill holes in
>> the plate to match the LPRO.
>>
>>
>>
>> It's not perfect, but it certainly does the job - particularly if you
>> had a fan blowing through the fins. The total height is about 1.75"
>> (45 mm).
>>
>> But remember, the more you cool the LPRO, the more power it will draw
>> to keep itself warm so you don't want to overdo the cooling.
>>
> > Ed
>>
>[snip]
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The aluminum fin and copper pipe assembly integrated with the
heatsink plate is most likely a heat pipe of some kind, as that's
what Thermacore makes. It's a model 2644, from the nameplate, but no
joy at the Thermacore.com website.
Joe Gwinn
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