---------------------------------------------------------- AeroElectric-List Digest Archive --- Total Messages Posted Tue 04/19/16: 24 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 05:35 AM - Cooling fans (Carlos Trigo) 2. 05:54 AM - Re: Cooling fans (Robert Borger) 3. 06:50 AM - Re: Cooling fans (John Tipton) 4. 07:01 AM - Re: Cooling fans (William Hunter) 5. 07:50 AM - Re: Cooling fans (Bill Watson) 6. 08:05 AM - Re: Cooling fans (Carlos Trigo) 7. 08:06 AM - Re: Cooling fans (Carlos Trigo) 8. 08:17 AM - Re: Cooling fans (B Tomm) 9. 08:38 AM - Re: Cooling fans (Stein Bruch) 10. 08:44 AM - Re: Cooling fans (Carlos Trigo) 11. 09:43 AM - Re: Cooling fans (RGent1224@aol.com) 12. 09:46 AM - Re: Cooling fans (RGent1224@aol.com) 13. 10:09 AM - Re: Cooling fans (infow) 14. 11:47 AM - Re: Cooling fans (Charles Kuss) 15. 12:20 PM - Re: Cooling fans (Bill Watson) 16. 01:41 PM - Re: Cooling fans (GTH) 17. 01:44 PM - Matronics Web Server Back Online (Matt Dralle) 18. 01:46 PM - EDN Article on EMC Troubleshooting (Matt Prather) 19. 02:47 PM - Re: Cooling fans (Carlos Trigo) 20. 03:41 PM - Powering the EFIS system (Carlos Trigo) 21. 04:27 PM - Re: RV10-List: Powering the EFIS system (Phillip Perry) 22. 05:55 PM - Re: Matronics Web Server Back Online (donjohnston) 23. 08:14 PM - Re: EDN Article on EMC Troubleshooting (Robert L. Nuckolls, III) 24. 08:16 PM - Re: Re: RV10-List: Powering the EFIS system (Robert L. Nuckolls, III) ________________________________ Message 1 _____________________________________ Time: 05:35:15 AM PST US From: Carlos Trigo Subject: AeroElectric-List: Cooling fans Guys I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. I would welcome some information about type and brand of fans, source, and wiring information. Thanks Carlos ________________________________ Message 2 _____________________________________ Time: 05:54:15 AM PST US From: Robert Borger Subject: Re: AeroElectric-List: Cooling fans Carlos, Search "12 volt muffin fan" on Amazon or e-bay. There should be plenty of choices. Best regards, Robert Borger, President Geowhiziks & Doodlebugging, Inc. Certified Petroleum Geophysicist AAPG#101 3705 Lynchburg Dr. Corinth, TX 76208-5331 (C) 817-992-1117 Sent from my iPad > On Apr 19, 2016, at 07:33, Carlos Trigo wrote: > > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, and wiring information. > > Thanks > Carlos > > > > > ________________________________ Message 3 _____________________________________ Time: 06:50:18 AM PST US Subject: Re: AeroElectric-List: Cooling fans From: John Tipton Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fans 12v: http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo wrote: > > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, and wiring information. > > Thanks > Carlos > > > > > ________________________________ Message 4 _____________________________________ Time: 07:01:38 AM PST US Subject: Re: AeroElectric-List: Cooling fans From: William Hunter What kind of radio equipment are you installing? Modern stuff is not a significant source of heat so it might be much work for minimal benefit. Bill Hunter On Apr 19, 2016 9:56 AM, "John Tipton" wrote: > jmtipton@btopenworld.com> > > Hi Carlos > > I've been thinking along similar lines: how about a computer CPU cooling > fans 12v: > > > http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 > > Regards > > John > > Sent from my iPad > > ----x--O--x---- > > > On 19 Apr 2016, at 01:33 pm, Carlos Trigo wrote: > > > trigo@mail.telepac.pt> > > > > Guys > > > > I am looking for cooling fans to install in my aircraft dashboard, to > extract heated air behind the avionics of the instrument panel and help > defrost the windshield. > > > > I would welcome some information about type and brand of fans, source, > and wiring information. > > > > Thanks > > Carlos > > > > > > > > > > > > ________________________________ Message 5 _____________________________________ Time: 07:50:34 AM PST US Subject: Re: AeroElectric-List: Cooling fans From: Bill Watson I have a 2008 vintage stack (G430, SL30, GRT HXs, PS-audio, G327, etc) that has little supplemental cooling specified in the doc. I added two muffin fans that blow onto the windscreen in my RV10. No ducts or plenums. My sense is that vent holes alone would suffice in keeping excessive heat building up under the panel. However the muffin fans work well as defrosters on the windscreen. Not for ice but for condensation that sometimes occurs in early morning departures and when cloud busting. I'm glad they are in place for that reason alone. On 4/19/2016 9:59 AM, William Hunter wrote: > > What kind of radio equipment are you installing? Modern stuff is not a > significant source of heat so it might be much work for minimal benefit. > > Bill Hunter > > On Apr 19, 2016 9:56 AM, "John Tipton" > wrote: > > > > > Hi Carlos > > I've been thinking along similar lines: how about a computer CPU > cooling fans 12v: > > http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 > > Regards > > John > > Sent from my iPad > > ----x--O--x---- > > > On 19 Apr 2016, at 01:33 pm, Carlos Trigo > wrote: > > > > > > > > Guys > > > > I am looking for cooling fans to install in my aircraft > dashboard, to extract heated air behind the avionics of the > instrument panel and help defrost the windshield. > > > > I would welcome some information about type and brand of fans, > source, and wiring information. > > > > Thanks > > Carlos > > > > > > > > > > > > > ========== > br> fts!) > r> > w.buildersbooks.com" rel="noreferrer" > target="_blank">www.buildersbooks.com > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > -Matt Dralle, List Admin. > ========== > - > Electric-List" rel="noreferrer" > target="_blank">http://www.matronics.com/Navigator?AeroElectric-List > ========== > FORUMS - > eferrer" target="_blank">http://forums.matronics.com > ========== > b Site - > -Matt Dralle, List Admin. > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > ========== > > ________________________________ Message 6 _____________________________________ Time: 08:05:19 AM PST US From: "Carlos Trigo" Subject: RE: AeroElectric-List: Cooling fans Hi Bill W Please tell me what is the part# of the fans you used, or at least the bran d and some characteristics. And where did you but them. And also how did you wire them? Directly, or with switch, or through a thermostat controller? Thanks Carlos From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectr ic-list-server@matronics.com] On Behalf Of Bill Watson Sent: ter=C3=A7a-feira, 19 de Abril de 2016 15:49 Subject: Re: AeroElectric-List: Cooling fans I have a 2008 vintage stack (G430, SL30, GRT HXs, PS-audio, G327, etc) tha t has little supplemental cooling specified in the doc. I added two muffin fans that blow onto the windscreen in my RV10. No ducts or plenums. My sense is that vent holes alone would suffice in keeping excessive heat b uilding up under the panel. However the muffin fans work well as defroster s on the windscreen. Not for ice but for condensation that sometimes occur s in early morning departures and when cloud busting. I'm glad they are in place for that reason alone. On 4/19/2016 9:59 AM, William Hunter wrote: What kind of radio equipment are you installing? Modern stuff is not a sig nificant source of heat so it might be much work for minimal benefit. Bill Hunter On Apr 19, 2016 9:56 AM, "John Tipton" wrote: com> Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fa ns 12v: http://www.ebay.co.uk/sch/i.html?_from=R40 &_trksid=p2055119.m570. l1313.TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_s acat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo wrote: > =2Ept> > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to ex tract heated air behind the avionics of the instrument panel and help defro st the windshield. > > I would welcome some information about type and brand of fans, source, an d wiring information. > > Thanks > Carlos > > br> fts!) r> > w.buildersbooks.com" rel="noreferrer" target="_blank">www.builders books.com rel="noreferrer" target="_blank">http://www.matronics.com/contribution -Matt Dralle, List Admin. - Electric-List" rel="noreferrer" target="_blank">http://www.matronics.co m/Navigator?AeroElectric-List FORUMS - eferrer" target="_blank">http://forums.matronics.com b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribution --- Este e-mail foi verificado em termos de v=C3=ADrus pelo software antiv=C3 =ADrus Avast. https://www.avast.com/antivirus ________________________________ Message 7 _____________________________________ Time: 08:06:17 AM PST US From: "Carlos Trigo" Subject: RE: AeroElectric-List: Cooling fans Hello John I bought one similar to those, but the problem is that it has a 4-pin computer connector, and I don=92t know how to wire it. After some research, I came to the conclusion that one of the wires is to control the fan, and that control is done through the motherboards of the computer, which is not the case for us. That=92s the reason why I am asking for specific fans that other builders h ave successfully used, and for how to wire them. Carlos -----Original Message----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Tipton Sent: ter=E7a-feira, 19 de Abril de 2016 14:49 Subject: Re: AeroElectric-List: Cooling fans --> < jmtipton@btopenworld.com> Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fans 12v: http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313. TR0.T RC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo < trigo@mail.telepac.pt> wrote: > > --> < trigo@mail.telepac.pt> > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, an d wiring information. > > Thanks > Carlos > > > > > www.buildersbooks.com http://www.matronics.com/contribution st Day http://www.matronics.com/Navigator?AeroElectric-List http://www.matronics.com/contribution --- Este e-mail foi verificado em termos de v=EDrus pelo software antiv=EDrus A vast. https://www.avast.com/antivirus ________________________________ Message 8 _____________________________________ Time: 08:17:24 AM PST US From: "B Tomm" Subject: RE: AeroElectric-List: Cooling fans I have two muffin fans mounted under the glareshield to push "warm" up onto the windscreen. I consider the main purpose is a defogger when your first few breaths in the cockpit on a cold morning fog up the windshield. Works great and they are there should you ever need some cooling. Bevan _____ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of William Hunter Sent: Tuesday, April 19, 2016 7:00 AM Subject: Re: AeroElectric-List: Cooling fans What kind of radio equipment are you installing? Modern stuff is not a significant source of heat so it might be much work for minimal benefit. Bill Hunter On Apr 19, 2016 9:56 AM, "John Tipton" wrote: Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fans 12v: http://www.ebay.co.uk/sch/i.html?_from=R40 &_trksid=p2055119.m570.l1313.TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu +cooling+fans+12v&_sacat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo wrote: > > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, and wiring information. > > Thanks > Carlos > > ========== br> fts!) r> > w.buildersbooks.com" rel="noreferrer" target="_blank">www.buildersbooks.com rel="noreferrer" target="_blank">http://www.matronics.com/contribution -Matt Dralle, List Admin. ========== - Electric-List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List ========== FORUMS - eferrer" target="_blank">http://forums.matronics.com ========== b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribution ========== ________________________________ Message 9 _____________________________________ Time: 08:38:45 AM PST US From: "Stein Bruch" Subject: RE: AeroElectric-List: Cooling fans Most of the computer fans (at least the ones we sell for less than $10) are simple to wire because they typically have colored wires=85.red is always power, black is always ground, and the others are various rpm/sense wires that you don=92t need to use. No need to run them through a thermostat, a simple switch will suffice. We also stock the little =93grates=94 that go over them to direct the air appropriately (living in snow country we learn a thing or two about defrosting). Don=92t make it more complicated than it needs to be ' keep it simple. Cheers, Stein From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Carlos Trigo Sent: Tuesday, April 19, 2016 10:05 AM Subject: RE: AeroElectric-List: Cooling fans Hello John I bought one similar to those, but the problem is that it has a 4-pin computer connector, and I don=92t know how to wire it. After some research, I came to the conclusion that one of the wires is to control the fan, and that control is done through the motherboards of the computer, which is not the case for us. That=92s the reason why I am asking for specific fans that other builders have successfully used, and for how to wire them. Carlos -----Original Message----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Tipton Sent: ter=E7a-feira, 19 de Abril de 2016 14:49 Subject: Re: AeroElectric-List: Cooling fans --> < jmtipton@btopenworld.com> Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fans 12v: http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l131 3.TR0.T RC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo < trigo@mail.telepac.pt> wrote: > > --> < trigo@mail.telepac.pt> > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, and wiring information. > > Thanks > Carlos > > > > > www.buildersbooks.com ribution">http://www.matronics.com/contribution matronics.com/Navigator?AeroElectric-List">http://www.matronics.com/Navig ato r?AeroElectric-List <================ ttp://forums.matronics.com">http://forums.matronics.com http://www.matronics.com/contribution Sem v=EDrus. www.avast.com ________________________________ Message 10 ____________________________________ Time: 08:44:10 AM PST US From: Carlos Trigo Subject: Re: AeroElectric-List: Cooling fans Bill H I will have 2 radios, 1 transponder, 1 audio panel and plenty of devices of t he EFIS system (2 displays, 2 ADHARS, 1 engine module, etc.). GARMIN says that it is not mandatory to have ventilation but everybody knows that all electronics prefer to be cool ... =F0=9F=98=8E Especially in hot climates like Portugal and Southern Europe. CT > > From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelect ric-list-server@matronics.com] On Behalf Of William Hunter > Sent: Tuesday, April 19, 2016 7:00 AM > To: aeroelectric-list@matronics.com > Subject: Re: AeroElectric-List: Cooling fans > > What kind of radio equipment are you installing? Modern stuff is not a si gnificant source of heat so it might be much work for minimal benefit. > > Bill Hunter > >> On Apr 19, 2016 9:56 AM, "John Tipton" wrote: d.com> >> >> Hi Carlos >> >> I've been thinking along similar lines: how about a computer CPU cooling f ans 12v: >> >> http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l131 3.TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat= 0 >> >> Regards >> >> John >> >> Sent from my iPad >> >> ----x--O--x---- >> >> > On 19 Apr 2016, at 01:33 pm, Carlos Trigo wrote : >> > ac.pt> >> > >> > Guys >> > >> > I am looking for cooling fans to install in my aircraft dashboard, to e xtract heated air behind the avionics of the instrument panel and help defro st the windshield. >> > >> > I would welcome some information about type and brand of fans, source, a nd wiring information. >> > >> > Thanks >> > Carlos >> > >> > >> > >> > >> > >> >> >> ========== >> br> fts!) >> r> > w.buildersbooks.com" rel="noreferrer" target="_blank">www.builde rsbooks.com >> rel="noreferrer" target="_blank">http://www.matronics.com/contributio n >> -Matt Dralle, List Admin. >> ========== >> - >> Electric-List" rel="noreferrer" target="_blank">http://www.matronics. com/Navigator?AeroElectric-List >> ========== >> FORUMS - >> eferrer" target="_blank">http://forums.matronics.com >> ========== >> b Site - >> -Matt Dralle, List Admin. >> rel="noreferrer" target="_blank">http://www.matronics.com/contributio n >> ========== >> >> >> ________________________________ Message 11 ____________________________________ Time: 09:43:51 AM PST US From: RGent1224@aol.com Subject: Re: AeroElectric-List: Cooling fans Check out _www.surpluscenter.com_ (http://www.surpluscenter.com) for your fans. You'll find some below $5.00 ea. that would work very good. I've ordered from them in the past and have always gotten good service and products from them. Just my 2 cents worth Dick(not PC ) In a message dated 4/19/2016 10:18:30 A.M. Central Daylight Time, fvalarm@rapidnet.net writes: I have two muffin fans mounted under the glareshield to push "warm" up onto the windscreen. I consider the main purpose is a defogger when your first few breaths in the cockpit on a cold morning fog up the windshield. Works great and they are there should you ever need some cooling. Bevan ____________________________________ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of William Hunter Sent: Tuesday, April 19, 2016 7:00 AM Subject: Re: AeroElectric-List: Cooling fans What kind of radio equipment are you installing? Modern stuff is not a significant source of heat so it might be much work for minimal benefit. Bill Hunter On Apr 19, 2016 9:56 AM, "John Tipton" <_jmtipton@btopenworld.com_ (mailto:jmtipton@btopenworld.com) > wrote: --> AeroElectric-List message posted by: John Tipton <_jmtipton@btopenworld.com_ (mailto:jmtipton@btopenworld.com) > Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fans 12v: http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.TR0.T RC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo <_trigo@mail.telepac.pt_ (mailto:trigo@mail.telepac.pt) > wrote: > <_trigo@mail.telepac.pt_ (mailto:trigo@mail.telepac.pt) > > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, and wiring information. > > Thanks > Carlos > > ========== br> fts!) r> > w.buildersbooks.com" rel="noreferrer" target="_blank">www.buildersbooks.com rel="noreferrer" target="_blank">http://www.matronics.com/contribution -Matt Dralle, List Admin. ========== - Electric-List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List ========== FORUMS - eferrer" target="_blank">http://forums.matronics.com ========== b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribution ========== ________________________________ Message 12 ____________________________________ Time: 09:46:56 AM PST US From: RGent1224@aol.com Subject: Re: AeroElectric-List: Cooling fans You're in the DIY world touch the end of the black/red to +12 vdc and the white/grn to -12 vdc and see what happens. Remember just touch don't nail them to the terminal. Dick(not PC) In a message dated 4/19/2016 10:07:21 A.M. Central Daylight Time, trigo@mail.telepac.pt writes: Hello John I bought one similar to those, but the problem is that it has a 4-pin computer connector, and I don=99t know how to wire it. After some research, I came to the conclusion that one of the wires is to control the fan, and that control is done through the motherboards of the computer, which is not the case for us. That=99s the reason why I am asking for specific fans that other bu ilders have successfully used, and for how to wire them. Carlos -----Original Message----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Tipton Sent: ter=C3=A7a-feira, 19 de Abril de 2016 14:49 Subject: Re: AeroElectric-List: Cooling fans --> <_jmtipton@btopenworld.com_ (mailto:jmtipton@btopenworld.com) > Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fans 12v: http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313 .TR0.T RC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo <_trigo@mail.telepac.pt_ (mailto:trigo@mail.telepac.pt) > wrote: > > --> <_trigo@mail.telepac.pt_ (mailto:trigo@mail.telepac.pt) > > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, and wiring information. > > Thanks > Carlos > > > > > _www.buildersbooks.com_ (http://www.buildersbooks.com/) ribution">http://www.matronics.com/contribution matronics.com/Navigator?AeroElectric-List">http://www.matronics.com/Naviga to r?AeroElectric-List<================= ttp://forums.matronics.com">http://forums.matronics.com http://www.matronics.com/contribution (https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_ campaign=sig-email&utm_content=emailclient) Sem v=C3=ADrus. _www.avas t.com_ (https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_ campaign=sig-em ail&utm_content=emailclient) ________________________________ Message 13 ____________________________________ Time: 10:09:43 AM PST US From: infow Subject: RE: AeroElectric-List: Cooling fans I purchased 2 on ebay! http://www.ebay.com/itm/12V-3-Pin-Internal-Desktop-Computer-CPU-Case-Cooling-C ooler-Silent-Fan-For-PC-/311442380353?hash=item4883699641:g:MS8AAOSw4SlV8V4l#h t_7600wt_1270 They have various sizes and flows Has 3 pin connector 120x120 1800rpm draws 0.3a Ron | Hello John | | | I bought one similar to those, but the problem is that it has a 4- | pin computer connector, and I don't know how to wire it. | | After some research, I came to the conclusion that one of the wires | is to control the fan, and that control is done through the | motherboards of the computer, which is not the case for us. | | | That's the reason why I am asking for specific fans that other | builders have successfully used, and for how to wire them. | | | Carlos | | | -----Original Message----- | From: owner-aeroelectric-list-server@matronics.com [mailto:owner- | aeroelectric-list-server@matronics.com] On Behalf Of John Tipton | Sent: tera-feira, 19 de Abril de 2016 14:49 | To: aeroelectric-list@matronics.com | Subject: Re: AeroElectric-List: Cooling fans | | | | --> | | | Hi Carlos | | | I've been thinking along similar lines: how about a computer CPU | cooling fans 12v: | | | http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313 | .TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sac | at=0 | | | Regards | | | John | | | Sent from my iPad | | | ----x--O--x---- | | || On 19 Apr 2016, at 01:33 pm, Carlos Trigo || wrote: || || || || --> || || || Guys || || || I am looking for cooling fans to install in my aircraft || dashboard, to extract heated air behind the avionics of the || instrument panel and help defrost the windshield. || || || I would welcome some information about type and brand of fans, || source, and wiring information. || || || Thanks || || Carlos | | | www.buildersbooks.com | | ribution">http://www.matronics.com/contribution | | | matronics.com/Navigator?AeroElectric- | List">http://www.matronics.com/Navigator?AeroElectric-List | | | ttp://forums.matronics.com">http://forums.matronics.com | | | http://www.matronics.com/contribution | | | table> ________________________________ Message 14 ____________________________________ Time: 11:47:09 AM PST US From: Charles Kuss Subject: RE: AeroElectric-List: Cooling fans Stein is correct. If you'd like to know more about how the 4 wire [and the 3 wire variants as well] work and what the wires are used for, see the link below. http://pcbheaven.com/wikipages/How_PC_Fans_Work/ Charlie -------------------------------------------- On Tue, 4/19/16, Stein Bruch wrote: Subject: RE: AeroElectric-List: Cooling fans To: aeroelectric-list@matronics.com Date: Tuesday, April 19, 2016, 11:36 AM Most of the computer fans (at least the ones we sell for less than $10) are simple to wire because they typically have colored wires.red is always power, black is always ground, and the others are various rpm/sense wires that you dont need to use. No need to run them through a thermostat, a simple switch will suffice. We also stock the little grates that go over them to direct the air appropriately (living in snow country we learn a thing or two about defrosting). Dont make it more complicated than it needs to be keep it simple. Cheers,Stein snipped ________________________________ Message 15 ____________________________________ Time: 12:20:46 PM PST US Subject: Re: AeroElectric-List: Cooling fans From: Bill Watson I picked up the fans from Directron.com. They have a strange or non-existent part numbering system but the brand seems to be 'PAPST' and this might be the exact part here: Directron Fan. I paid $15 in 2009... still seems to be same price if the 12cm fan is the same part. I bought 2 black steel mesh filters for $1.99/ea from the same place. Lot's of computer components at Directron but otherwise have no experience with them. Wired them to be always on, no switch, no controls. My 3 EFISs power-on with my airplane master as well. No avionics master - only component switches and if a component doesn't have an on/off like the GRTs, they stay on. Keeping it simple and robust... On 4/19/2016 11:04 AM, Carlos Trigo wrote: > > Hi Bill W > > Please tell me what is the part# of the fans you used, or at least the > brand and some characteristics. > > And where did you but them. > > And also how did you wire them? > > Directly, or with switch, or through a thermostat controller? > > Thanks > > Carlos > > *From:*owner-aeroelectric-list-server@matronics.com > [mailto:owner-aeroelectric-list-server@matronics.com] *On Behalf Of > *Bill Watson > *Sent:* tera-feira, 19 de Abril de 2016 15:49 > *To:* aeroelectric-list@matronics.com > *Subject:* Re: AeroElectric-List: Cooling fans > > I have a 2008 vintage stack (G430, SL30, GRT HXs, PS-audio, G327, etc) > that has little supplemental cooling specified in the doc. I added > two muffin fans that blow onto the windscreen in my RV10. No ducts or > plenums. > > My sense is that vent holes alone would suffice in keeping excessive > heat building up under the panel. However the muffin fans work well > as defrosters on the windscreen. Not for ice but for condensation > that sometimes occurs in early morning departures and when cloud > busting. I'm glad they are in place for that reason alone. > > On 4/19/2016 9:59 AM, William Hunter wrote: > > What kind of radio equipment are you installing? Modern stuff is > not a significant source of heat so it might be much work for > minimal benefit. > > Bill Hunter > > On Apr 19, 2016 9:56 AM, "John Tipton" > wrote: > > > > > Hi Carlos > > I've been thinking along similar lines: how about a computer CPU > cooling fans 12v: > > http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.TR0.TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 > > Regards > > John > > Sent from my iPad > > ----x--O--x---- > > > On 19 Apr 2016, at 01:33 pm, Carlos Trigo > wrote: > > > > > > > > Guys > > > > I am looking for cooling fans to install in my aircraft > dashboard, to extract heated air behind the avionics of the > instrument panel and help defrost the windshield. > > > > I would welcome some information about type and brand of fans, > source, and wiring information. > > > > Thanks > > Carlos > > > > > > > > > > > > > ========== > br> fts!) > r> > w.buildersbooks.com" rel="noreferrer" > target="_blank">www.buildersbooks.com > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > -Matt Dralle, List Admin. > ========== > - > Electric-List" rel="noreferrer" > target="_blank">http://www.matronics.com/Navigator?AeroElectric-List > ========== > FORUMS - > eferrer" target="_blank">http://forums.matronics.com > ========== > b Site - > -Matt Dralle, List Admin. > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > ========== > > > > Sem vrus. www.avast.com > > > ________________________________ Message 16 ____________________________________ Time: 01:41:40 PM PST US Subject: Re: AeroElectric-List: Cooling fans From: GTH Le 19/04/2016 17:16, B Tomm a crit : > I have two muffin fans mounted under the glareshield to push "warm" up > onto the windscreen. I consider the main purpose is a defogger when > your first few breaths in the cockpit on a cold morning fog up the > windshield. Hi all, Here is what we did for the same purpose : http://contrails.free.fr/cellule_defog_en.php I must confess that those muffin fans seemed like a good idea at first, but the truth is they don't blow that much. Nevertheless, our defogging system works as expected although it is a bit on the asthmatic side... We need it on the ground only since as soon as the airplane is airborne, the fog quickly disappears. FWIW -- Best regards, Gilles http://contrails.free.fr http://lapierre.skunkworks.free.fr ________________________________ Message 17 ____________________________________ Time: 01:44:59 PM PST US From: Matt Dralle Subject: AeroElectric-List: Matronics Web Server Back Online Dear Listers, The Matronics Web server lost a critical system hard drive yesterday 4/18/2016. I have been working feverishly for the last 24 hours to repair the system and get the Matronics Forums and other web-based resources back online. Email services were not impacted in anyway. I'm happy to report that as of about 1:30 PDT on Tuesday 4/19/2016 the system is back online and all resources were successfully restored from a backup. My apologies for the down time. Matt Dralle Matronics Email and Forum Admin ________________________________ Message 18 ____________________________________ Time: 01:46:00 PM PST US Subject: AeroElectric-List: EDN Article on EMC Troubleshooting From: Matt Prather This series of articles reminds me of some of Mr. Nuckolls' methods of debugging aeroelectric problems - like using an AM radio as a "sniffer": http://www.edn.com/electronics-blogs/the-emc-blog/4378152/An-EMC-Troubleshooting-Kit--Part-1a-Emissions- Cheers, Matt- ________________________________ Message 19 ____________________________________ Time: 02:47:34 PM PST US From: "Carlos Trigo" Subject: RE: AeroElectric-List: Cooling fans Stein I am not finding any computer fans in your website. Can you please tell where they are in your online store? Carlos From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stein Bruch Sent: ter=E7a-feira, 19 de Abril de 2016 16:36 Subject: RE: AeroElectric-List: Cooling fans Most of the computer fans (at least the ones we sell for less than $10) are simple to wire because they typically have colored wires=85.red is always power, black is always ground, and the others are various rpm/sense wires that you don=92t need to use. No need to run them through a thermostat, a simple switch will suffice. We also stock the little =93grates=94 that go over them to direct the air appropriately (living in snow country we learn a thing or two about defrosting). Don=92t make it more complicated than it needs to be ' keep it simple. Cheers, Stein From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Carlos Trigo Sent: Tuesday, April 19, 2016 10:05 AM Subject: RE: AeroElectric-List: Cooling fans Hello John I bought one similar to those, but the problem is that it has a 4-pin computer connector, and I don=92t know how to wire it. After some research, I came to the conclusion that one of the wires is to control the fan, and that control is done through the motherboards of the computer, which is not the case for us. That=92s the reason why I am asking for specific fans that other builders h ave successfully used, and for how to wire them. Carlos -----Original Message----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Tipton Sent: ter=E7a-feira, 19 de Abril de 2016 14:49 Subject: Re: AeroElectric-List: Cooling fans --> < jmtipton@btopenworld.com> Hi Carlos I've been thinking along similar lines: how about a computer CPU cooling fans 12v: http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313. TR0.T RC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0 Regards John Sent from my iPad ----x--O--x---- > On 19 Apr 2016, at 01:33 pm, Carlos Trigo < trigo@mail.telepac.pt> wrote: > > --> < trigo@mail.telepac.pt> > > Guys > > I am looking for cooling fans to install in my aircraft dashboard, to extract heated air behind the avionics of the instrument panel and help defrost the windshield. > > I would welcome some information about type and brand of fans, source, an d wiring information. > > Thanks > Carlos > > > > > www.buildersbooks.com ribution">http://www.matronics.com/contribution matronics.com/Navigator?AeroElectric-List">http://www.matronics.com/Navigat o r?AeroElectric-List <===== =========== ttp://forums.matronics.com">http://forums.matronics.com http://www.matronics.com/contribution Sem v=EDrus. www.avast.com --- Este e-mail foi verificado em termos de v=EDrus pelo software antiv=EDrus A vast. https://www.avast.com/antivirus ________________________________ Message 20 ____________________________________ Time: 03:41:32 PM PST US From: "Carlos Trigo" Subject: AeroElectric-List: Powering the EFIS system Group I am beginning to install the EFIS G3X system from GARMIN in the RV-10, and I have to put power into (not more not less than) 12 devices (2 Display units, 2 ADAHRS, 1 engine module, 3 autopilot servos and so on). In some devices there are 2 independent power inputs. I am trying to figure out which will be the best architecture for the power circuits to these 12 devices. I know that some of you are against the single Avionics switch, and I am leaning to agree, not including that single point of failure, but how about the distribution system? I am not searching for opinions on the breaker or fuses discussion, just to know what other people did or recommend to do with busses and circuits. I should add that I have a dual battery /dual alternator energy system. All good suggestions welcome! Thanks Carlos --- Este e-mail foi verificado em termos de v=C3=ADrus pelo software antiv=C3 =ADrus Avast. https://www.avast.com/antivirus ________________________________ Message 21 ____________________________________ Time: 04:27:31 PM PST US Subject: AeroElectric-List: Re: RV10-List: Powering the EFIS system From: Phillip Perry Carlos, The lid is off the can of worms. This should be interesting! I've found t hat coating my wires in chromate primer has benefits too. ;) All seriousness, though I can see people breaking out the flame throwers alr eady, what does your main buss look like? Single Alt / Single Battery? Du al alt (hot/standby) single battery, etc.... Phil Sent from my iPhone > On Apr 19, 2016, at 5:36 PM, Carlos Trigo wrote: > > Group > > I am beginning to install the EFIS G3X system from GARMIN in the RV-10, an d I have to put power into (not more not less than) 12 devices (2 Display un its, 2 ADAHRS, 1 engine module, 3 autopilot servos and so on). > In some devices there are 2 independent power inputs. > > I am trying to figure out which will be the best architecture for the powe r circuits to these 12 devices. > I know that some of you are against the single Avionics switch, and I am l eaning to agree, not including that single point of failure, but how about t he distribution system? > I am not searching for opinions on the breaker or fuses discussion, just t o know what other people did or recommend to do with busses and circuits. > > I should add that I have a dual battery /dual alternator energy system. > All good suggestions welcome! > > Thanks > Carlos > > > > > > > > Sem v=C3=ADrus. www.avast.com ________________________________ Message 22 ____________________________________ Time: 05:55:11 PM PST US Subject: AeroElectric-List: Re: Matronics Web Server Back Online From: "donjohnston" Matt!!! You're back! :D Read this topic online here: http://forums.matronics.com/viewtopic.php?p=455237#455237 ________________________________ Message 23 ____________________________________ Time: 08:14:13 PM PST US From: "Robert L. Nuckolls, III" Subject: Re: AeroElectric-List: EDN Article on EMC Troubleshooting At 03:44 PM 4/19/2016, you wrote: >This series of articles reminds me of some of Mr. Nuckolls' methods >of debugging aeroelectric problems - like using an AM radio as a "sniffer": > >http://www.edn.com/electronics-blogs/the-emc-blog/4378152/An-EMC-Troubleshooting-Kit--Part-1a-Emissions- > > >Cheers, >Matt- Thanks for the heads-up! I've heard of this guy but the Raytheon-Beech organization liked the Kimmle and Gherke RF guru twins. Took a two day seminar from Gherke hisself about 20 years ago. Wyatt seems like a real hammer-n-tongs sunk-werkser kind of guy . . . I've gathered up his stuff and added it to my library. Bob . . . ________________________________ Message 24 ____________________________________ Time: 08:16:09 PM PST US From: "Robert L. Nuckolls, III" Subject: Re: AeroElectric-List: Re: RV10-List: Powering the EFIS system At 06:26 PM 4/19/2016, you wrote: >Carlos, > >The lid is off the can of worms. This should be interesting! I've >found that coating my wires in chromate primer has benefits too. ;) > >All seriousness, though I can see people breaking out the flame >throwers already, what does your main buss look like? Single Alt / >Single Battery? Dual alt (hot/standby) single battery, etc.... > >Phil I would start in the same place we do with any new TC design. Fill out the load analysis sheets and partition the loads by flight modes. What are your energy sources and what size are they? What is the worst case scenario for comfortable continuation of flight in the en-route mode that is most conservative of energy available? The task starts with little buckets of loads and little buckets of energy. Figure out what goes in each bucket. The architecture along with your endurance operations check-list will fall out of the results of that study. Bob . . . ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message aeroelectric-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/AeroElectric-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/aeroelectric-list Browse Digests http://www.matronics.com/digest/aeroelectric-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.