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Re: Has anybody ever stacked two CPU coolers?

From Rene Lamontagne <rlamont@shaw.ca>
Newsgroups alt.comp.os.windows-10, alt.computer.workshop
Subject Re: Has anybody ever stacked two CPU coolers?
Date 2020-07-27 08:59 -0500
Message-ID <ho84tjF3pi5U1@mid.individual.net> (permalink)
References (1 earlier) <0001HW.24CCD30F00964D3270000A59438F@news.supernews.com> <op.0obycr1swdg98l@glass> <0001HW.24CCE336009A168970000A59438F@news.supernews.com> <op.0oc8s0xzwdg98l@glass> <sij2vg-pcm.ln1@Telcontar.valinor>

Cross-posted to 2 groups.

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On 2020-07-27 4:32 a.m., Carlos E.R. wrote:
> 
> On 26/07/2020 16.20, Commander Kinsey wrote:
>> On Sat, 25 Jul 2020 23:01:26 +0100, Wolffan <akwolffan@zoho.com> wrote:
>>
>>> On 25 Jul 2020, Commander Kinsey wrote
>>> (in article <op.0obycr1swdg98l@glass>):
>>>
>>>> On Sat, 25 Jul 2020 21:52:31 +0100, Wolffan<akwolffan@zoho.com>  wrote:
>>>>
>>>> > On 25 Jul 2020, Commander Kinsey wrote
>>>> > (in article <op.0oboc2f2wdg98l@glass>):
>>>> >
> 
> ...
> 
>>>> Doubling the size of the heatsink (and also the number of fans,
>>>> which won't blow towards each other) must make a considerable
>>>> difference. It will be twice the cooling effect, minus the lack
>>>> of conduction through the first heatsink, which I assume will
>>>> conduct well, being metal and all that.
>>>
>>> You’re not going to get anywhere close to double the cooling. Instead of
>>> kludging together two fans, just buy one of the properly-designed
>>> dual fan units out there. (which don’t get twice the cooling of
>>> similar single-fan designs from the same company, pros can’t get
>>> double the cooling either. Not even close. Look at the specs for
>>> yourself.) Or, if you’re serious about cooling, use liquid
>>> cooling.
>>>
>>> What you _will_ get with a dual-fan system is twice the noise. 
>>> Especially if you use small-diameter fans.
>>
>> Dual fan is pointless.  Each fan is designed to push x amount of air, 
>> adding another one in it's path won't speed that air up.  You only get 
>> better airflow from faster fans, or fans in parallel.  Series is stupid.
> 
> Not really. Depends.
> 
> <https://www.mouser.es/pdfDocs/theparallelandseriesoperation.pdf>
> 
> 
> There is at least one helicopter with "serial" blades (for another reason).
> 
> 

And various planes, for different reasons, see explantion.

https://en.wikipedia.org/wiki/Contra-rotating_propellers

Rene

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Thread

Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-25 19:01 +0100
  Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-25 16:52 -0400
    Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-25 22:37 +0100
      Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-25 18:01 -0400
        Re: Has anybody ever stacked two CPU coolers? David_B <DavidB@nomail.afraid.org> - 2020-07-25 23:08 +0100
          Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 00:31 +0100
            Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-25 19:41 -0400
              Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:25 +0100
                Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-26 10:40 -0400
                Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:43 +0100
                Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-26 11:38 -0400
                Re: Has anybody ever stacked two CPU coolers? David_B <DavidB@nomail.afraid.org> - 2020-07-26 17:32 +0100
                Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-26 16:13 -0400
                Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 22:18 +0100
                Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-26 19:21 -0400
                Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-10 21:03 +0100
                Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 18:06 +0100
                Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-26 16:14 -0400
                Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 22:17 +0100
                Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-26 19:26 -0400
                Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-11 18:28 +0100
          Re: Has anybody ever stacked two CPU coolers? Wolffan <akwolffan@zoho.com> - 2020-07-25 19:32 -0400
        Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:20 +0100
          Re: Has anybody ever stacked two CPU coolers? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-27 11:32 +0200
            Re: Has anybody ever stacked two CPU coolers? Rene Lamontagne <rlamont@shaw.ca> - 2020-07-27 08:59 -0500
              Re: Has anybody ever stacked two CPU coolers? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-27 22:59 +0200
            Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-12 19:41 +0100
      Re: Has anybody ever stacked two CPU coolers? Avila Kap <kap0utox01@jamaica.com> - 2020-07-25 16:52 -0700
        Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:38 +0100
  Re: Has anybody ever stacked two CPU coolers? Paul <nospam@needed.invalid> - 2020-07-25 18:33 -0400
    Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-25 23:47 +0100
      Re: Has anybody ever stacked two CPU coolers? David_B <DavidB@nomail.afraid.org> - 2020-07-26 00:17 +0100
        Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 00:30 +0100
        Re: Has anybody ever stacked two CPU coolers? Snit <usenet@gallopinginsanity.com> - 2020-07-25 16:57 -0700
          Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:35 +0100
            Re: Has anybody ever stacked two CPU coolers? Snit <usenet@gallopinginsanity.com> - 2020-07-26 10:22 -0700
              Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 19:44 +0100
                Re: Has anybody ever stacked two CPU coolers? Snit <usenet@gallopinginsanity.com> - 2020-07-26 11:46 -0700
      Re: Has anybody ever stacked two CPU coolers? Chris <ithinkiam@gmail.com> - 2020-07-26 10:16 +0000
        Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:35 +0100
          Re: Has anybody ever stacked two CPU coolers? Chris <ithinkiam@gmail.com> - 2020-07-27 07:05 +0000
            Re: Has anybody ever stacked two CPU coolers? Paul <nospam@needed.invalid> - 2020-07-27 05:14 -0400
              Re: Has anybody ever stacked two CPU coolers? Chris <ithinkiam@gmail.com> - 2020-07-27 18:12 +0000
                Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-11 23:20 +0100
              Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-11 23:18 +0100
            Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-11 23:21 +0100
      Re: Has anybody ever stacked two CPU coolers? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-26 13:27 +0200
        Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:34 +0100
          Re: Has anybody ever stacked two CPU coolers? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-26 20:50 +0200
            Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-10 18:57 +0100
    Re: Has anybody ever stacked two CPU coolers? Rene Lamontagne <rlamont@shaw.ca> - 2020-07-25 19:43 -0500
      Re: Has anybody ever stacked two CPU coolers? Paul <nospam@needed.invalid> - 2020-07-25 21:45 -0400
        Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 15:29 +0100
          Re: Has anybody ever stacked two CPU coolers? Paul <nospam@needed.invalid> - 2020-07-26 13:46 -0400
            Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-08-08 20:03 +0100
              Re: Has anybody ever stacked two CPU coolers? Paul <nospam@needed.invalid> - 2020-08-08 18:12 -0400
      Re: Has anybody ever stacked two CPU coolers? "wasbit" <wasbitREMOVE@hotmail.com> - 2020-07-26 10:03 +0100
  Re: Has anybody ever stacked two CPU coolers? Peter Johnson <peter@parksidewood.nospam> - 2020-07-26 17:01 +0100
    Re: Has anybody ever stacked two CPU coolers? "Commander Kinsey" <CFKinsey@military.org.jp> - 2020-07-26 18:05 +0100

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