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Wayne S. Johnson
Samba Member
Joined: April 12, 2006
Posts: 1265
Location: GILROY, CA
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 Posted: Sat May 17, 2008 2:49 pm Post subject: Air Conditioner for under $100 |
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I tested my ICESTER Air Conditioner today. I used a small bilge pump to circulate ice water through a heater core and a 6” fan to circulate air through the heater core. I started the cooler in the garage; the air in the car was 85° F, the air coming out of the cooler was 49° F. I started driving with the outside air temp at 95° F; it took about 10 min. to get down to 70° F inside the car. Two blocks of ice, 16 pounds each, should slow down the melt time to about an hour. I’m designing an air deflector to direct the cold air away from the driver and a thermostat to control the fan and pump.
Wayne
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teufeltito
Samba Member
Joined: August 11, 2007
Posts: 399
Location: athens, ga
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| Posted: Sat May 17, 2008 3:51 pm Post subject: |
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wow. i was just suggesting to my girl that i build one of those for her bug last saturday when we went on our poker run with a number of other bug owners. good job sir! keep us posted.
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1966/1959 standard: 1300cc , 6inch slammed DD
1973 standard: 1600cc, og stocker
1966 standard: incomplete volksrod w/ 2187cc
1972 transporter: incomplete slightly lowered
“A car is never too low, it’s the ground that is too high.” |
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Rhunes29
Samba Member
Joined: April 24, 2008
Posts: 93
Location: So Cal
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| Posted: Sat May 17, 2008 6:11 pm Post subject: |
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| Are you going to put that in the luggage compartment? |
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sammyphsyco
Samba Member
Joined: August 07, 2005
Posts: 1093
Location: Terry Cloyd's neighbor
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| Posted: Sat May 17, 2008 6:31 pm Post subject: |
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Are you using straight water? I wonder if automotive coolant, or some other liquid might be more efficient for this.
Tinted windows and Dynamat Xtreme, or the Second Skin equivalent would help as well. I imagine that a well sealed passenger compartment helps alot also.
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| Your just jealous the voices are talking to me |
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Jimmy111
Samba Member
Joined: October 05, 2006
Posts: 2643
Location: Wyoming
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| Posted: Sat May 17, 2008 6:32 pm Post subject: |
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Not knocking your airconditioner.
But concider that the typical airconditioner for a small car is rated at about 3 tons of refrigeration capacity. That is equivalant to about 250 lb of ice per hour. |
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HeidelbergJohn4.0
Samba Member
Joined: March 01, 2004
Posts: 1199
Location: Havre de Grace, MD
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| Posted: Sat May 17, 2008 6:34 pm Post subject: |
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I saw something similar built from a salvaged marine reverse cycle Heat/AC unit. The right sized cooler will fit perfectly behind the rear seat but the gut told me the exchange water heated up fairly quickly.
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71 LWB Manx style dunebuggy
71 Beetle
71 Volksrod
Machette Speedster
2012 Passat TDI SE (sadly sitting in a buyback parking lot somewhere waiting for it's heart to be ripped out.) |
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dirtkeeper
Samba Member
Joined: February 19, 2008
Posts: 3200
Location: Left of everywhere
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| Posted: Sat May 17, 2008 6:40 pm Post subject: |
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| teufeltito wrote: |
| wow. i was just suggesting to my girl that i build one of those for her bug last saturday when we went on our poker run with a number of other bug owners. good job sir! keep us posted. |
but where will you sit?  |
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Wayne S. Johnson
Samba Member
Joined: April 12, 2006
Posts: 1265
Location: GILROY, CA
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| Posted: Sat May 17, 2008 6:44 pm Post subject: Icester |
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| Rhunes29 wrote: |
| Are you going to put that in the luggage compartment? |
This was a test to evaluate the performance, which was great. A standard cooler could be placed in the back seat. A cooler could be constructed to fit in the luggage compartment or in the spare tire area. I would mount the cooler core over the passenger’s feet.
The Icester works as well as any other air conditioner, except you do not vent the heat outside. The heat is transferred into cold water by drawing the heat through a heater core on the top of the Icester. The water lines run from the heater core into the Ice Chest. The Icester is capable of cooling so efficiently that it uses about 20 pounds of ice per hour. Keep the heat outside and enjoy the cooled air inside without drilling holes or opening windows.
Wayne
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Last edited by Wayne S. Johnson on Sat May 17, 2008 6:53 pm; edited 1 time in total |
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teufeltito
Samba Member
Joined: August 11, 2007
Posts: 399
Location: athens, ga
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| Posted: Sat May 17, 2008 6:53 pm Post subject: |
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| dirtkeeper wrote: |
| teufeltito wrote: |
| wow. i was just suggesting to my girl that i build one of those for her bug last saturday when we went on our poker run with a number of other bug owners. good job sir! keep us posted. |
but where will you sit? |
in my bug!!
_________________
1966/1959 standard: 1300cc , 6inch slammed DD
1973 standard: 1600cc, og stocker
1966 standard: incomplete volksrod w/ 2187cc
1972 transporter: incomplete slightly lowered
“A car is never too low, it’s the ground that is too high.” |
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jamesdagg
Samba Member
Joined: August 18, 2007
Posts: 3364
Location: B.C.Canada
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| Posted: Sat May 17, 2008 10:56 pm Post subject: |
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Try dry ice.
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'72 FI Westy
'71 Super rear inside defrost vents no longer available |
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towd
Samba Member
Joined: June 20, 2005
Posts: 2458
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| Posted: Sun May 18, 2008 1:02 am Post subject: |
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yep dry ice,, go with the old steel colman cooler,, it will hold the ice longer ,,, use a coil of pex tubing in the bottom ... run the line out near the top yep still in the side,, then go to a flex line of some type ( rubber) to the cooling unit.. of course having some type filler ,, doing this it's a sealed system and can use any fulid you choose.... 151 Rum gets nice n cold...LOL
This way the cooler can be in the back,, still used as acooler ( Beer) the cooling unit would be remote and can be moved |
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Wayne S. Johnson
Samba Member
Joined: April 12, 2006
Posts: 1265
Location: GILROY, CA
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| Posted: Sun May 18, 2008 10:05 am Post subject: |
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| jamesdagg wrote: |
| Try dry ice. |
The earths atmosphere is 78% Nitrogen, 21% Oxygen and only 0.035% Carbon Dioxide. If the concentration of carbon dioxide (The Chemical Composition of Dry Ice) in the air rises above 0.5%, carbon dioxide can become dangerous. Smaller concentrations can cause quicker breathing; larger concentrations will prevent breathing all together! If Dry Ice has been in a closed auto, van, room, or walk-in, for more than 10 minutes, you will start to pant, breathe quickly and your fingernails or lips start to turn blue. This is the sign that you have breathed in too much CO2 and not enough oxygen. Dry Ice CO2 is heavier than air and will accumulate in low spaces.
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FreddiePete
Samba Member
Joined: March 12, 2007
Posts: 62
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| Posted: Sun May 18, 2008 11:44 am Post subject: |
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| Wayne, you are brilliant, if you ever want to sell any prototypes put me on the list! |
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johneliot
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Joined: August 29, 2005
Posts: 2189
Location: Chico, CA
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