Home » Public Forums » GMCnet » [GMCnet] WE ALL NEED MORE AIR
| Re: [GMCnet] WE ALL NEED MORE AIR [message #321548 is a reply to message #321545] |
Wed, 02 August 2017 19:09   |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
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This looks like the real one on Amazon.com
search for:
"Mobile Climate Control 15-1556 Blower Motor"
but it cost $189 +15 shipping.
On Wed, Aug 2, 2017 at 2:21 PM, Jon Roche wrote:
> I did some searching
>
> There are similar blowers on amazon:
>
> https://www.amazon.com/gp/aw/d/B06XX9YLY1/ref=mp_s_a_1_22?
> ie=UTF8&qid=1501555275&sr=8-22&pi=AC_SX236_SY340_QL65&
> keywords=bus+blower+fan&dpPl=1&dpID=413y8OpY5YL&ref=plSrch
>
> Maybe chinese knock off??? I do not know.
>
> Down the road from me is a business that sells buses. They also sell
> truck accessories, and they are a dealer of the fan tom has listed. I have
> not called and checked price and availability yet. Our local
> freightliner dealer is listed as well.
> --
> Jon Roche
> 75 palm beach
> St. Cloud, MN
> http://lqqkatjon.blogspot.com/
>
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John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321557 is a reply to message #321553] |
Wed, 02 August 2017 21:42 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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CFM is only half of the spec you must consider.
The pressure drop must be included.
The configuration of the box and the restriction of the coil can accumulate
pressure drop high enough to where the flow will be less than half.
On Wed, Aug 2, 2017 at 7:00 PM, KB wrote:
> Ok, I'm confused. Where did the 15-1556 number come from???
> I only see 15-1561 as the likely number for the 3speed blower with
> resistor.
> I'm not seeing 1556 anywhere in the document. What am I missing??
>
> confusedly,
> Karen
> 1975 26'
>
>
> johnd01 wrote on Wed, 02 August 2017 17:09
>> This looks like the real one on Amazon.com
>> search for:
>> "Mobile Climate Control 15-1556 Blower Motor"
>> but it cost $189 +15 shipping.
>
>
>
> _______________________________________________
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Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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www.appliedgmc.com
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321559 is a reply to message #321553] |
Wed, 02 August 2017 22:25 |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
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I did a google search and came up with an MCC document that listed it as 12
volt 3-speed blower then I found it on Amazon.com. There were CFM charts
with inches of water and current flow listed. I have looked but have not
found it again. The 13 and 3/4 inches seemed the same as well.
On Wed, Aug 2, 2017 at 7:00 PM, KB wrote:
> Ok, I'm confused. Where did the 15-1556 number come from???
> I only see 15-1561 as the likely number for the 3speed blower with
> resistor.
> I'm not seeing 1556 anywhere in the document. What am I missing??
>
> confusedly,
> Karen
> 1975 26'
>
>
> johnd01 wrote on Wed, 02 August 2017 17:09
>> This looks like the real one on Amazon.com
>> search for:
>> "Mobile Climate Control 15-1556 Blower Motor"
>> but it cost $189 +15 shipping.
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321561 is a reply to message #321560] |
Wed, 02 August 2017 22:58 |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
Karma: -1
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Senior Member |
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Spal is listed in mmH20 and cubic meters per hour. 10 mm = 1050 CMH @32.5
amps Translates to about 0.4 inch h20 and 618 CFM and the 32.5 stays the
same.
Seems they are using a lot of power to get moderate air flow at a high
price.
On Wed, Aug 2, 2017 at 8:26 PM, Jim Kanomata wrote:
> Spal should publish the pressure drop/static pressure.
> I'm guessing it needs to be at least .5 " wc.
>
> On Wed, Aug 2, 2017 at 8:15 PM, KB wrote:
>
>> It looks like other brand blowers are easier to find.
>>
>> Would this SPAL brand work? Or is it too many amps (not sure how to read
>> their table):
>> http://www.jegs.com/i/SPAL/063/30006704/10002/-1?
>> CAWELAID=230006180016449181&CAGPSPN=pla&CAAGID=15769068431&CATCI=pla-
>> 213811363271&CATARGETID=230006180037475786&cadevice=c&gclid=
>> EAIaIQobChMIk6OHvIa61QIViYF-Ch0OdAXDEAQYASABEgKLL_D_BwE
>> or
>> https://tinyurl.com/yasoztnr
>> I think the OEM blower has a 30amp fusible link.
>>
>> How about this one by RedDot:
>> http://www.partdeal.com/red-dot-dual-blower-motor-
>> assembly-12v-with-resistor-73r5552-rd-5-8583-0p.html?
>> zmam=74973193&zmas=1&zmac=4&zmap=77157575&gclid=
>> EAIaIQobChMI8tmwgue51QIV0lYNCh3QVgmmEAkYCiABEgIUFvD_BwE
>> or
>> https://tinyurl.com/y83ss46z
>>
>> thanks for any clues,
>>
>> Karen
>> 1975 26'
>>
>>
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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>
>
>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321563 is a reply to message #321558] |
Wed, 02 August 2017 23:11 |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Karen,
That SPAL blower is rated at 667 CFM.
Let's roughly calculate the internal volume of a 26 foot GMC: 25 feet X 8 feet X 7 feet = 1400 cubic feet
Lets guesstimate that blower is 50% efficient due to pressure drop through the mod Tom created; 1400 cubic feet divided by 330 means
that blower could replace all the air in a GMC in 4.24 minutes.
Seems like overkill to me.
Unless my logic and calculations are incorrect, which is quite possible.
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 KB
Sent: Thursday, August 3, 2017 1:15 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] WE ALL NEED MORE AIR
It looks like other brand blowers are easier to find.
Would this SPAL brand work? Or is it too many amps (not sure how to read their table):
http://www.jegs.com/i/SPAL/063/30006704/10002/-1?CAWELAID=230006180016449181&CAGPSPN=pla&CAAGID=15769068431&CATCI=pla-213811363271&C
ATARGETID=230006180037475786&cadevice=c&gclid=EAIaIQobChMIk6OHvIa61QIViYF-Ch0OdAXDEAQYASABEgKLL_D_BwE
or
https://tinyurl.com/yasoztnr
I think the OEM blower has a 30amp fusible link.
How about this one by RedDot:
http://www.partdeal.com/red-dot-dual-blower-motor-assembly-12v-with-resistor-73r5552-rd-5-8583-0p.html?zmam=74973193&zmas=1&zmac=4&z
map=77157575&gclid=EAIaIQobChMI8tmwgue51QIV0lYNCh3QVgmmEAkYCiABEgIUFvD_BwE
or
https://tinyurl.com/y83ss46z
thanks for any clues,
Karen
1975 26'
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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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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321564 is a reply to message #321563] |
Wed, 02 August 2017 23:27 |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
Karma: -1
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Senior Member |
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I still think the 15-1556 is a good choice.
On Wed, Aug 2, 2017 at 9:11 PM, Rob Mueller wrote:
> Karen,
>
> That SPAL blower is rated at 667 CFM.
>
> Let's roughly calculate the internal volume of a 26 foot GMC: 25 feet X 8
> feet X 7 feet = 1400 cubic feet
>
> Lets guesstimate that blower is 50% efficient due to pressure drop through
> the mod Tom created; 1400 cubic feet divided by 330 means
> that blower could replace all the air in a GMC in 4.24 minutes.
>
> Seems like overkill to me.
>
> Unless my logic and calculations are incorrect, which is quite possible.
>
> 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 KB
> Sent: Thursday, August 3, 2017 1:15 PM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] WE ALL NEED MORE AIR
>
> It looks like other brand blowers are easier to find.
>
> Would this SPAL brand work? Or is it too many amps (not sure how to read
> their table):
> http://www.jegs.com/i/SPAL/063/30006704/10002/-1?
> CAWELAID=230006180016449181&CAGPSPN=pla&CAAGID=15769068431&CATCI=pla-
> 213811363271&C
> ATARGETID=230006180037475786&cadevice=c&gclid=EAIaIQobChMIk6OHvIa61QIViYF-
> Ch0OdAXDEAQYASABEgKLL_D_BwE
> or
> https://tinyurl.com/yasoztnr
> I think the OEM blower has a 30amp fusible link.
>
> How about this one by RedDot:
> http://www.partdeal.com/red-dot-dual-blower-motor-
> assembly-12v-with-resistor-73r5552-rd-5-8583-0p.html?
> zmam=74973193&zmas=1&zmac=4&z
> map=77157575&gclid=EAIaIQobChMI8tmwgue51QIV0lYNCh3QVgmmEAkYCiABEgIUFvD_BwE
> or
> https://tinyurl.com/y83ss46z
>
> thanks for any clues,
>
> Karen
> 1975 26'
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
*John Phillips*
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321572 is a reply to message #321564] |
Thu, 03 August 2017 08:54 |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma: 0
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Senior Member |
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Overkill on the GMC aircon would be a first!
________________________________
From: Gmclist on behalf of John Phillips
Sent: Wednesday, August 2, 2017 11:27:06 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] WE ALL NEED MORE AIR
I still think the 15-1556 is a good choice.
On Wed, Aug 2, 2017 at 9:11 PM, Rob Mueller wrote:
> Karen,
>
> That SPAL blower is rated at 667 CFM.
>
> Let's roughly calculate the internal volume of a 26 foot GMC: 25 feet X 8
> feet X 7 feet = 1400 cubic feet
>
> Lets guesstimate that blower is 50% efficient due to pressure drop through
> the mod Tom created; 1400 cubic feet divided by 330 means
> that blower could replace all the air in a GMC in 4.24 minutes.
>
> Seems like overkill to me.
>
> Unless my logic and calculations are incorrect, which is quite possible.
>
> 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 KB
> Sent: Thursday, August 3, 2017 1:15 PM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] WE ALL NEED MORE AIR
>
> It looks like other brand blowers are easier to find.
>
> Would this SPAL brand work? Or is it too many amps (not sure how to read
> their table):
> http://www.jegs.com/i/SPAL/063/30006704/10002/-1?
> CAWELAID=230006180016449181&CAGPSPN=pla&CAAGID=15769068431&CATCI=pla-
> 213811363271&C
> ATARGETID=230006180037475786&cadevice=c&gclid=EAIaIQobChMIk6OHvIa61QIViYF-
> Ch0OdAXDEAQYASABEgKLL_D_BwE
> or
> https://tinyurl.com/yasoztnr
> I think the OEM blower has a 30amp fusible link.
>
> How about this one by RedDot:
> http://www.partdeal.com/red-dot-dual-blower-motor-
> assembly-12v-with-resistor-73r5552-rd-5-8583-0p.html?
> zmam=74973193&zmas=1&zmac=4&z
> map=77157575&gclid=EAIaIQobChMI8tmwgue51QIV0lYNCh3QVgmmEAkYCiABEgIUFvD_BwE
> or
> https://tinyurl.com/y83ss46z
>
> thanks for any clues,
>
> Karen
> 1975 26'
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
*John Phillips*
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321573 is a reply to message #321564] |
Thu, 03 August 2017 09:33 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Rob,
Good consideration, about the space.
Shows how one can miss things to consider.
On Wed, Aug 2, 2017 at 9:27 PM, John Phillips
wrote:
> I still think the 15-1556 is a good choice.
>
> On Wed, Aug 2, 2017 at 9:11 PM, Rob Mueller
> wrote:
>
>> Karen,
>>
>> That SPAL blower is rated at 667 CFM.
>>
>> Let's roughly calculate the internal volume of a 26 foot GMC: 25 feet X 8
>> feet X 7 feet = 1400 cubic feet
>>
>> Lets guesstimate that blower is 50% efficient due to pressure drop
> through
>> the mod Tom created; 1400 cubic feet divided by 330 means
>> that blower could replace all the air in a GMC in 4.24 minutes.
>>
>> Seems like overkill to me.
>>
>> Unless my logic and calculations are incorrect, which is quite possible.
>>
>> 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 KB
>> Sent: Thursday, August 3, 2017 1:15 PM
>> To: gmclist@list.gmcnet.org
>> Subject: Re: [GMCnet] WE ALL NEED MORE AIR
>>
>> It looks like other brand blowers are easier to find.
>>
>> Would this SPAL brand work? Or is it too many amps (not sure how to read
>> their table):
>> http://www.jegs.com/i/SPAL/063/30006704/10002/-1?
>> CAWELAID=230006180016449181&CAGPSPN=pla&CAAGID=15769068431&CATCI=pla-
>> 213811363271&C
>> ATARGETID=230006180037475786&cadevice=c&gclid=
> EAIaIQobChMIk6OHvIa61QIViYF-
>> Ch0OdAXDEAQYASABEgKLL_D_BwE
>> or
>> https://tinyurl.com/yasoztnr
>> I think the OEM blower has a 30amp fusible link.
>>
>> How about this one by RedDot:
>> http://www.partdeal.com/red-dot-dual-blower-motor-
>> assembly-12v-with-resistor-73r5552-rd-5-8583-0p.html?
>> zmam=74973193&zmas=1&zmac=4&z
>> map=77157575&gclid=EAIaIQobChMI8tmwgue51QIV0lYNCh
> 3QVgmmEAkYCiABEgIUFvD_BwE
>> or
>> https://tinyurl.com/y83ss46z
>>
>> thanks for any clues,
>>
>> Karen
>> 1975 26'
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
>
> --
>
> *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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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321580 is a reply to message #321577] |
Thu, 03 August 2017 12:11 |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
Karma: -1
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Senior Member |
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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.
On Thu, Aug 3, 2017 at 9:47 AM, KB wrote:
> johnd01 wrote on Wed, 02 August 2017 20:25
>> I did a google search and came up with an MCC document that listed it as
> 12
>> volt 3-speed blower then I found it on Amazon.com. There were CFM charts
>> with inches of water and current flow listed. I have looked but have not
>> found it again. The 13 and 3/4 inches seemed the same as well.
>
>
> That was the problem I kept running into online: I could find blowers I
> could buy, but no specs,
> or I could find good specs in catalogs and such, but nowhere to buy them.
> I never could find any
> good info about the MCC 15-1556 model, and at least one listing showed it
> as a 24 volt model.
> Amazon doesn't say.
>
> The CFM range in this form factor at 12 volts appears to be between about
> 150 and 800cfm.
> The RedDot and Spal models look the same in the pictures; could be the
> same unit.
> They can be had more easily and sometimes more cheaply than the MCC blower.
> Overkill airflow would be a nice change as long as it's ok with the wiring
> in the coach.
>
> Tom, if you don't mind my asking, how much was the unit you used? Where
> did you buy it?
>
> thanks,
> Karen
> 1975 26'
>
>
>
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
*John Phillips*
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321583 is a reply to message #320582] |
Thu, 03 August 2017 13:29 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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We were in a home improvement store a while back, and they had a floor
stand air mover that had no blades. Made no noise either. Don't know
exactly how it worked but seemed to move a whole bunch of air. Just an oval
shaped ring.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Aug 3, 2017 11:20 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'
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321584 is a reply to message #321581] |
Thu, 03 August 2017 13:47 |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
Karma: -1
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Senior Member |
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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'
>
>
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*John Phillips*
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321587 is a reply to message #321584] |
Thu, 03 August 2017 14:47 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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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
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
>
> --
>
> *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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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] WE ALL NEED MORE AIR [message #321592 is a reply to message #321587] |
Thu, 03 August 2017 16:45 |
jricke
Messages: 29
Registered: June 2007
Location: Arden Hills, MN
Karma: 0
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Junior Member |
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Jim K and others,
Any idea the design capacity of the air conditioning system? Generally air conditions are designed to have 400 CFM through the evaporator per ton (12,000 Btu/Hr).
This could help to estimate an airflow value.
Also, not sure what the surface area of the evaporator coil is, but using the typical 500 FPM value for velocity and multiplying by surface area (square feet) will also give a ballpark value for required CFM.
Though, as has been stated previously, still need the pressure to select the proper sized blower to purchase.
Joe Ricke - KE0CPM
Arden Hills, MN
'77 Transmode
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