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| Re: [GMCnet] Ice cubes in the black tank? Maybe not... [message #263541 is a reply to message #263450] |
Mon, 06 October 2014 08:28   |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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David,
This video is BS! First of all note how he slams the simulated poop on the bottom of the tank with a spatula and he throws the wet
paper on the wall of the tank. THEN he bakes on to the bottom in the hot sun!
Is this what happens in your GMC - NO WAY! When you poop the toilet bowl has water in it and a mix of water and poop get flushed.
Does it stick to the bottom, I don't think so, poop floats - remember the scene in Caddy Shack?
Our tanks contain 40 gallons of water and when you dump most of it will exit via the 3" dump or the macerator, there will be some
lumps that might get left behind. Will they be stuck to the bottom of the tank - doubtful.
Also the black tank in a GMC is WAY different from the one pictured, it is much more shallow (max 6") and much wider side to side (5
feet - GUESSTIMATE!) and longer front to back (3 feet - GUESSTIMATE!)
As the GMC drives the ice cubes will gain more speed when turning and stopping which will have a scrubbing action.
I did discover something the first time I did this and that is to add the ice cubes slowly so they don't fill the toilet bowl and
tube that connects it to the black tank!
Regards,
Rob M.
The Pedantic Mechanic
USAussie - Downunder
USA '75 Avion - Double Trouble TZE365V100426
AUS '75 Avion - The Blue Streak TZE365V100428
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of David H. Jarvis
Sent: Sunday, October 05, 2014 2:07 PM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Ice cubes in the black tank? Maybe not...
https://www.youtube.com/watch?v=iH6acEmqvcw
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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] Ice cubes in the black tank? Maybe not... [message #263552 is a reply to message #263541] |
Mon, 06 October 2014 10:26 |
kelvin
Messages: 608
Registered: February 2004
Location: Eugene, OR
Karma: 0
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Senior Member |
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On 10/6/2014 6:28 AM, Rob Mueller wrote:
> David,
>
> This video is BS! First of all note how he slams the simulated poop on the bottom of the tank with a spatula and he throws the wet
> paper on the wall of the tank. THEN he bakes on to the bottom in the hot sun!
>
> Is this what happens in your GMC - NO WAY! When you poop the toilet bowl has water in it and a mix of water and poop get flushed.
> Does it stick to the bottom, I don't think so, poop floats - remember the scene in Caddy Shack?
>
> Our tanks contain 40 gallons of water and when you dump most of it will exit via the 3" dump or the macerator, there will be some
> lumps that might get left behind. Will they be stuck to the bottom of the tank - doubtful.
>
> Also the black tank in a GMC is WAY different from the one pictured, it is much more shallow (max 6") and much wider side to side (5
> feet - GUESSTIMATE!) and longer front to back (3 feet - GUESSTIMATE!)
>
> As the GMC drives the ice cubes will gain more speed when turning and stopping which will have a scrubbing action.
>
> I did discover something the first time I did this and that is to add the ice cubes slowly so they don't fill the toilet bowl and
> tube that connects it to the black tank!
>
> Regards,
I've done icecubes and dishwashing detergent, mixed, in a GMC tank
before installing my macerator and 7 years later when checking the
macerator for possible issues. Like rubbernecking while driving past a
car accident, I had to shine my flashlight down the open hole - just to
see. Clean a whistle in that tank, both times.
Ice works fine. He did it stupid.
Lies, damn lies and statistics - and poorly done experiments.
Kelvin
'73 23' in Eugene OR
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| Re: [GMCnet] Ice cubes in the black tank? Maybe not... [message #263557 is a reply to message #263552] |
Mon, 06 October 2014 10:33 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Kelvin,
To be expected, he isn't a GMC owner I'm sure! ;-)
Regards,
Rob M.
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Kelvin Dietz
I've done ice cubes and dishwashing detergent, mixed, in a GMC tank
before installing my macerator and 7 years later when checking the
macerator for possible issues. Like rubbernecking while driving past a
car accident, I had to shine my flashlight down the open hole - just to
see. Clean a whistle in that tank, both times.
Ice works fine. He did it stupid.
Lies, damn lies and statistics - and poorly done experiments.
Kelvin
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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: Ice cubes in the black tank? Maybe not... [message #263559 is a reply to message #263544] |
Mon, 06 October 2014 10:46 |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
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Senior Member |
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JohnL455 wrote on Mon, 06 October 2014 09:03Way too dry an initial mix The guy builds a nice model though.
Well he did say he was trying to simulate worst conditions of a black tank which had been used for a while with the drain valve open. With my macerator I would want to be sure the ice was all melted before I pumped.
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: Ice cubes in the black tank? Maybe not... [message #263708 is a reply to message #263450] |
Tue, 07 October 2014 15:55 |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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Senior Member |
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That was a Baby Ruth. Some Poop sinks...
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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| Re: Ice cubes in the black tank? Maybe not... [message #263709 is a reply to message #263708] |
Tue, 07 October 2014 16:16 |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma: 0
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Senior Member |
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A real test would be to compare it to no ice cubs at all.
Which one works better?
I'd bet ice helps, I sure thought it did something.
I also think there should have been more water in the tank, and probably some soap
Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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| Re: [GMCnet] Ice cubes in the black tank? Maybe not... [message #263753 is a reply to message #263708] |
Wed, 08 October 2014 08:21 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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I know, when Bill Murray took a bite out of it the WHOLE audience went UUUUUGGGGHHHH!
Regards,
Rob M.
-----Original Message-----
From: Chris Choffat
That was a Baby Ruth. Some Poop sinks...
--
-Chr$:
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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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