Home » Public Forums » GMCnet » [GMCnet] WE ALL NEED MORE AIR
Re: [GMCnet] WE ALL NEED MORE AIR [message #321597 is a reply to message #321587] |
Thu, 03 August 2017 16:55 |
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USAussie
Messages: 15912 Registered: July 2007 Location: Sydney, Australia
Karma:
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Senior Member |
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Jim,
Agreed!
The problem with the GMC AC is the pressure drop through the whole system which is caused by the number of turns the air flow has to make. IIRC from my Hamilton Standard field rep days each 90° turn is like adding 5 - 7 feet of ducting. I can't remember how many turns it makes. This subject has been addressed here before as I vaguely remember stating this earlier.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Jim Kanomata
Sent: Friday, August 4, 2017 5:48 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] WE ALL NEED MORE AIR
We need to determin feet per min. velocity through the Coil, as we know
anything over 500 ft/min face volocity can cause the condensate to blow
into the ducts and water droplets will be a problem. Having a 3-4 speed can
help avoid that to some degree.
If there is a way to find the data of our origional blower , it might guide
one to avoid problems.
We can take data off all the outlets and try to get approximate cfm it
produces at MAX.
Average Vel times the area of each and add them up. We have the
instruments, but now for me to do it.
On Thu, Aug 3, 2017 at 11:47 AM, John Phillips
wrote:
> To bad it does not list a 17-39-22
> There are 3 blowers listing that I think could work
> http://www.spalautomotive.com/eng/products/view_centrifugal.
> aspx?id=017-A40-73
> http://www.spalautomotive.com/eng/products/view_centrifugal.
> aspx?id=017-A46-73
> http://www.spalautomotive.com/eng/products/view_centrifugal.
> aspx?id=017-A54-73
>
>
> On Thu, Aug 3, 2017 at 11:19 AM, KB wrote:
>
>> johnd01 wrote on Thu, 03 August 2017 10:11
>>> I did see some specs for the 15-1556 before I found it on Amazon. As I
>>> recall it was 14 amps max and 800 CFM at 1 inch of water. I will see if
>> I can find the data again.
>>
>>
>> That would be awesome. FWIW, here's a really good page I found for the
>> SPAL blower models:
>> http://www.spalautomotive.com/eng/products/centrifugal_12D.aspx
>>
>> We're trying to figure out what the oem blower runs in terms of amps.
> The
>> fusible link is 30 amps,
>> so has to run much less than that.
>>
>> Also, what size is the oem blower wheel? I'm having trouble finding
> that
>> info.
>> I think a double blower would be more efficient, but not if its wheels
> are
>> too small.
>> Lots of trade offs here.
>>
>> thanks,
>>
>> Karen
>> 1975 26'
>>
>>
>> _______________________________________________
>> GMCnet mailing list
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>>
>
>
>
> --
>
> *John Phillips*
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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[GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Wed, 02 August 2017 15:38
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Wed, 02 August 2017 19:05
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Wed, 02 August 2017 19:09
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Wed, 02 August 2017 21:00
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Re: [GMCnet] WE ALL NEED MORE AIR
By: jimk on Wed, 02 August 2017 21:42
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Wed, 02 August 2017 22:15
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Re: [GMCnet] WE ALL NEED MORE AIR
By: jimk on Wed, 02 August 2017 22:26
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Wed, 02 August 2017 22:58
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Re: [GMCnet] WE ALL NEED MORE AIR
By: USAussie on Wed, 02 August 2017 23:11
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Wed, 02 August 2017 23:27
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Re: [GMCnet] WE ALL NEED MORE AIR
By: Keith V on Thu, 03 August 2017 08:54
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Re: [GMCnet] WE ALL NEED MORE AIR
By: jimk on Thu, 03 August 2017 09:33
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Wed, 02 August 2017 22:25
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Thu, 03 August 2017 11:47
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Thu, 03 August 2017 12:11
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Thu, 03 August 2017 13:19
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Thu, 03 August 2017 13:47
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Re: [GMCnet] WE ALL NEED MORE AIR
By: jimk on Thu, 03 August 2017 14:47
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Re: [GMCnet] WE ALL NEED MORE AIR
By: jricke on Thu, 03 August 2017 16:45
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Re: [GMCnet] WE ALL NEED MORE AIR
By: USAussie on Thu, 03 August 2017 16:55
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Re: [GMCnet] WE ALL NEED MORE AIR
By: bhayes on Mon, 17 July 2017 14:45
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: jimk on Mon, 17 July 2017 20:53
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: Rob on Thu, 03 August 2017 13:36
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: USAussie on Thu, 03 August 2017 17:35
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Thu, 03 August 2017 23:08
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Re: [GMCnet] WE ALL NEED MORE AIR
By: tphipps on Fri, 04 August 2017 06:55
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Fri, 04 August 2017 16:53
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Sat, 05 August 2017 21:36
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Wed, 09 August 2017 21:25
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Mon, 14 August 2017 21:33
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Tue, 15 August 2017 16:28
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Re: [GMCnet] WE ALL NEED MORE AIR
By: USAussie on Thu, 03 August 2017 19:21
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: USAussie on Thu, 03 August 2017 20:12
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: johnd01 on Thu, 03 August 2017 20:29
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Re: [GMCnet] WE ALL NEED MORE AIR
By: USAussie on Thu, 03 August 2017 20:41
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Re: [GMCnet] WE ALL NEED MORE AIR
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Re: [GMCnet] WE ALL NEED MORE AIR
By: KB on Thu, 03 August 2017 23:05
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Re: [GMCnet] WE ALL NEED MORE AIR
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