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Re: [GMCnet] Oh, Sure, Another Fan Clutch [message #247400 is a reply to message #247394]

Mon, 14 April 2014 14:31

roy1

Messages: 2126
Registered: July 2004
Location: Minden nevada

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Senior Member

A Hamilto wrote on Mon, 14 April 2014 11:15

gmc.les wrote on Mon, 14 April 2014 13:06

Patrick,
A very interesting example that brings a few thoughts to mind.

Moving air with a fan takes horsepower, the higher the air flow being moved, the higher the HP consumed. I don't have exact facts to quote, but I do believe that the OEM fans on our coaches consume several HP because of the air they need to move. Trying to produce the equivalent airflow with electric fans is going to require a fairly hefty electrical output (possibly 150-200a?)...

A working system has been documented to draw 60 amps, and required an alternator upgrade to support the extra load.

http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&goto=140931&rid=2083#msg_140931

A friend of mine has a 69 firebird that he had an aftermarket A/C installed. When they got done they put an electric fan and shroud on it . The engine ran hot so they installed a larger radiator and new water pump. It still ran hot so they went to another shop and that mechanic put a smaller water pump pulley on it and a hi flow water pump. He came by my place a couple of days ago and the engine was at 230 degrees and the new larger radiator was 235 half way down. The air wasn't even on. The new electric fan moved only a small amount of air. Next week I am pulling that fan and installing the stock shroud and a heavy duty clutch fan. If I put in a bigger electric fan that was suggested it will draw 60amps. His alternator is 37 amps that wouldn't support it and what about the needed relays and wiring etc. I feel a good clutch fan is a lot easer to deal with. Buy the way my friend is thousands of dollars poorer from this experience .

Roy Keen Minden,NV 76 X Glenbrook

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[Message index]

		Oh, Sure, Another Fan Clutch By: George Beckman on Tue, 08 April 2014 11:30
		Re: Oh, Sure, Another Fan Clutch By: Luvn737s on Tue, 08 April 2014 15:44
		Re: Oh, Sure, Another Fan Clutch By: tphipps on Tue, 08 April 2014 15:51
		Re: Oh, Sure, Another Fan Clutch By: mikethebike on Tue, 08 April 2014 16:32
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Wed, 09 April 2014 02:46
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bruce Hart on Tue, 08 April 2014 18:23
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Tue, 08 April 2014 19:12
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Jim Bounds on Wed, 09 April 2014 11:03
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Tue, 08 April 2014 20:56
		Re: Oh, Sure, Another Fan Clutch By: A Hamilto on Tue, 08 April 2014 22:51
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Wed, 09 April 2014 19:27
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: sgltrac on Wed, 09 April 2014 19:46
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 19:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Ken Henderson on Wed, 09 April 2014 20:29
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bruce Hart on Wed, 09 April 2014 20:36
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 21:03
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: roy1 on Wed, 09 April 2014 20:42
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 21:05
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Dave Mumert on Wed, 09 April 2014 21:35
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: noi on Wed, 09 April 2014 23:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 09:50
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: A Hamilto on Thu, 10 April 2014 10:41
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 13:53
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: James Hupy on Thu, 10 April 2014 18:41
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 19:06
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Thu, 10 April 2014 19:50
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 07:28
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 09:18
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 17:47
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Fri, 11 April 2014 10:45
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 18:06
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 18:27
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Fri, 11 April 2014 23:09
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 23:20
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Sat, 12 April 2014 15:43
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 09:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jhbridges on Thu, 10 April 2014 13:49
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Thu, 10 April 2014 14:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: WD0AFQ on Thu, 10 April 2014 15:29
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Sammy Williams on Thu, 10 April 2014 16:08
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: habbyguy on Thu, 10 April 2014 16:26
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Thu, 10 April 2014 17:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: emerystora on Thu, 10 April 2014 17:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Thu, 10 April 2014 19:13
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: A Hamilto on Fri, 11 April 2014 15:13
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jhbridges on Thu, 10 April 2014 18:50
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 18:04
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jhbridges on Thu, 10 April 2014 19:09
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jim kanomata on Wed, 16 April 2014 00:49
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: ljdavick on Wed, 16 April 2014 01:15
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 16 April 2014 13:40
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: ljdavick on Wed, 16 April 2014 13:46
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: k2gkk on Wed, 09 April 2014 20:00
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: ljdavick on Wed, 09 April 2014 20:04
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Wed, 09 April 2014 21:24
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 21:47
		Re: Oh, Sure, Another Fan Clutch By: WD0AFQ on Thu, 10 April 2014 18:38
		Re: Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 19:26
		Re: Oh, Sure, Another Fan Clutch By: stick miller on Thu, 10 April 2014 19:33
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Thu, 10 April 2014 19:56
		Re: Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 07:32
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 09:08
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Al The HeatGuy on Fri, 11 April 2014 13:23
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 15:15
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Ken Burton on Fri, 11 April 2014 17:24
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: kelvin on Fri, 11 April 2014 17:28
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Al The HeatGuy on Fri, 11 April 2014 18:04
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Matt Colie on Sat, 12 April 2014 20:38
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Al The HeatGuy on Fri, 11 April 2014 17:52
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 17:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC_LES on Fri, 11 April 2014 18:56
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 18:25
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC_LES on Fri, 11 April 2014 19:23
		Re: Oh, Sure, Another Fan Clutch By: Dennis S on Fri, 11 April 2014 14:40
		Re: Oh, Sure, Another Fan Clutch By: Rick Williams on Fri, 11 April 2014 19:03
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Kingsley Coach on Fri, 11 April 2014 19:51
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 19:55
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Sammy Williams on Fri, 11 April 2014 19:56
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 20:35
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Sammy Williams on Fri, 11 April 2014 21:10
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: powerjon on Fri, 11 April 2014 23:03
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Sat, 12 April 2014 07:20
		Re: Oh, Sure, Another Fan Clutch By: noi on Fri, 11 April 2014 21:03
		Re: Oh, Sure, Another Fan Clutch By: noi on Fri, 11 April 2014 22:12
		Re: Oh, Sure, Another Fan Clutch By: roy1 on Fri, 11 April 2014 22:36
		Re: Oh, Sure, Another Fan Clutch By: WD0AFQ on Sat, 12 April 2014 08:37
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Sat, 12 April 2014 14:06
		Re: Oh, Sure, Another Fan Clutch By: WD0AFQ on Sat, 12 April 2014 15:13
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: k2gkk on Sat, 12 April 2014 15:37
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: habbyguy on Sat, 12 April 2014 19:54
		Re: Oh, Sure, Another Fan Clutch By: burtco99 on Sat, 12 April 2014 11:50
		Re: Oh, Sure, Another Fan Clutch By: winter on Sat, 12 April 2014 20:18
		Re: Oh, Sure, Another Fan Clutch By: habbyguy on Sat, 12 April 2014 20:32
		Re: Oh, Sure, Another Fan Clutch By: Don A on Sat, 12 April 2014 20:52
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: fitzmorrispr on Sat, 12 April 2014 22:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: burtco99 on Mon, 14 April 2014 13:06
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: A Hamilto on Mon, 14 April 2014 13:15
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: roy1 on Mon, 14 April 2014 14:31
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Mon, 14 April 2014 15:05
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Mon, 14 April 2014 15:27
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Mon, 14 April 2014 17:54
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Mon, 14 April 2014 18:29
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: shawnee on Mon, 14 April 2014 21:38
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: James Hupy on Mon, 14 April 2014 13:22
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Mon, 14 April 2014 20:08
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: burtco99 on Mon, 14 April 2014 21:52
		Re: Oh, Sure, Another Fan Clutch By: kerry pinkerton on Mon, 14 April 2014 18:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: James Hupy on Mon, 14 April 2014 18:38
		Re: Oh, Sure, Another Fan Clutch By: KB on Mon, 14 April 2014 19:52
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Mon, 14 April 2014 20:09
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: sgltrac on Tue, 15 April 2014 17:14
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Tue, 15 April 2014 17:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Ken Henderson on Tue, 15 April 2014 18:38
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Wed, 16 April 2014 00:05
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: sgltrac on Sun, 20 April 2014 16:39
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Mon, 14 April 2014 21:45

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