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Re: [GMCnet] WE ALL NEED MORE AIR [message #321604 is a reply to message #321600]

Thu, 03 August 2017 19:21

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma:

Senior Member

Ken,

I may be confused but doesn't Tom's design connect ducts from the floor to the BACK of the HVAC box?

My question meant to find out why not just bolt the blower directly to the back of the HVAC box?

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 Ken Henderson
Sent: Friday, August 4, 2017 9:24 AM
To: GMC Mail List
Subject: Re: [GMCnet] WE ALL NEED MORE AIR

I'll answer that, based on my complete redesign & construction: First off,
in Tom's case, he didn't want to build a new HVAC box, which would be
required to provide room in front of the existing box for the blower.
He might, of course, have hung the blower below the box and only had one
bend in the air flow, but that would have partially obstructed the radiator.

Most importantly, for Tom's and My mods: The problem of providing supply
air to the blower. With the blower out front, where we'd really like it to
be for most-linear air flow, one would have to provide ducting from the
cockpit out to and completely surrounding the blower. A BIG fabrication
job.

If you look at all of the dual blowers, you'll see that they all induct air
to the wheels from both sides -- the outside and around the center-mounted
motor. I seriously consider closing the motor side and using round ducts
into each side, but finally figured out that the wheels would be seriously
starved for supply air.
Among other strikes against the idea.

Tom, feel free to supply your own reasons if this doesn't cover it.

Ken H.

On Thu, Aug 3, 2017 at 6:35 PM, Rob Mueller wrote:

> Tom,
>
> Your mod is quite clever, I was wondering why you didn't attach the blower
> directly to the back of the A/C plenum?
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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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[Message index]

		[GMCnet] WE ALL NEED MORE AIR By: Thomas Pryor on Mon, 17 July 2017 09:55
		Re: [GMCnet] WE ALL NEED MORE AIR By: Emery Stora on Mon, 17 July 2017 10:17
		Re: [GMCnet] WE ALL NEED MORE AIR By: RF_Burns on Mon, 17 July 2017 10:43
		Re: [GMCnet] WE ALL NEED MORE AIR By: jhbridges on Mon, 17 July 2017 12:40
		Re: [GMCnet] WE ALL NEED MORE AIR By: Thomas Pryor on Mon, 17 July 2017 13:10
		Re: [GMCnet] WE ALL NEED MORE AIR By: Guy Lopes on Mon, 17 July 2017 14:20
		Re: [GMCnet] WE ALL NEED MORE AIR By: Emery Stora on Mon, 17 July 2017 14:45
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Wed, 02 August 2017 15:38
		Re: [GMCnet] WE ALL NEED MORE AIR By: lqqkatjon on Wed, 02 August 2017 16:21
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Wed, 02 August 2017 19:05
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Wed, 02 August 2017 19:09
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Wed, 02 August 2017 21:00
		Re: [GMCnet] WE ALL NEED MORE AIR By: jimk on Wed, 02 August 2017 21:42
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Wed, 02 August 2017 22:15
		Re: [GMCnet] WE ALL NEED MORE AIR By: jimk on Wed, 02 August 2017 22:26
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Wed, 02 August 2017 22:58
		Re: [GMCnet] WE ALL NEED MORE AIR By: USAussie on Wed, 02 August 2017 23:11
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Wed, 02 August 2017 23:27
		Re: [GMCnet] WE ALL NEED MORE AIR By: Keith V on Thu, 03 August 2017 08:54
		Re: [GMCnet] WE ALL NEED MORE AIR By: jimk on Thu, 03 August 2017 09:33
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Wed, 02 August 2017 22:25
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Thu, 03 August 2017 11:47
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Thu, 03 August 2017 12:11
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Thu, 03 August 2017 13:19
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Thu, 03 August 2017 13:47
		Re: [GMCnet] WE ALL NEED MORE AIR By: jimk on Thu, 03 August 2017 14:47
		Re: [GMCnet] WE ALL NEED MORE AIR By: jricke on Thu, 03 August 2017 16:45
		Re: [GMCnet] WE ALL NEED MORE AIR By: USAussie on Thu, 03 August 2017 16:55
		Re: [GMCnet] WE ALL NEED MORE AIR By: bhayes on Mon, 17 July 2017 14:45
		Re: [GMCnet] WE ALL NEED MORE AIR By: Sammy Williams on Mon, 17 July 2017 15:29
		Re: [GMCnet] WE ALL NEED MORE AIR By: powerjon on Mon, 17 July 2017 16:35
		Re: [GMCnet] WE ALL NEED MORE AIR By: powerjon on Mon, 17 July 2017 16:39
		Re: [GMCnet] WE ALL NEED MORE AIR By: USAussie on Mon, 17 July 2017 18:53
		Re: [GMCnet] WE ALL NEED MORE AIR By: jimk on Mon, 17 July 2017 20:53
		Re: [GMCnet] WE ALL NEED MORE AIR By: Bill Van Vlack on Tue, 18 July 2017 20:09
		Re: [GMCnet] WE ALL NEED MORE AIR By: Thomas Pryor on Wed, 19 July 2017 20:55
		Re: [GMCnet] WE ALL NEED MORE AIR By: Emery Stora on Wed, 19 July 2017 21:04
		Re: [GMCnet] WE ALL NEED MORE AIR By: Thomas Pryor on Thu, 20 July 2017 10:52
		Re: [GMCnet] WE ALL NEED MORE AIR By: Rob on Thu, 03 August 2017 13:36
		Re: [GMCnet] WE ALL NEED MORE AIR By: James Hupy on Thu, 03 August 2017 13:29
		Re: [GMCnet] WE ALL NEED MORE AIR By: Thomas Pryor on Thu, 03 August 2017 16:48
		Re: [GMCnet] WE ALL NEED MORE AIR By: USAussie on Thu, 03 August 2017 17:35
		Re: [GMCnet] WE ALL NEED MORE AIR By: Ken Henderson on Thu, 03 August 2017 18:23
		Re: [GMCnet] WE ALL NEED MORE AIR By: SpookyEng on Thu, 03 August 2017 18:54
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Thu, 03 August 2017 23:08
		Re: [GMCnet] WE ALL NEED MORE AIR By: tphipps on Fri, 04 August 2017 06:55
		Re: [GMCnet] WE ALL NEED MORE AIR By: Matt Colie on Fri, 04 August 2017 07:32
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Fri, 04 August 2017 16:53
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Sat, 05 August 2017 21:36
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Wed, 09 August 2017 21:25
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Mon, 14 August 2017 21:33
		Re: [GMCnet] WE ALL NEED MORE AIR By: lqqkatjon on Tue, 15 August 2017 09:06
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Tue, 15 August 2017 16:28
		Re: [GMCnet] WE ALL NEED MORE AIR By: USAussie on Thu, 03 August 2017 19:21
		Re: [GMCnet] WE ALL NEED MORE AIR By: Ken Henderson on Thu, 03 August 2017 20:02
		Re: [GMCnet] WE ALL NEED MORE AIR By: USAussie on Thu, 03 August 2017 20:12
		Re: [GMCnet] WE ALL NEED MORE AIR By: Ken Henderson on Thu, 03 August 2017 20:58
		Re: [GMCnet] WE ALL NEED MORE AIR By: johnd01 on Thu, 03 August 2017 20:29
		Re: [GMCnet] WE ALL NEED MORE AIR By: USAussie on Thu, 03 August 2017 20:41
		Re: [GMCnet] WE ALL NEED MORE AIR By: Thomas Pryor on Thu, 03 August 2017 20:51
		Re: [GMCnet] WE ALL NEED MORE AIR By: KB on Thu, 03 August 2017 23:05
		Re: [GMCnet] WE ALL NEED MORE AIR By: jhbridges on Tue, 15 August 2017 08:58

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