

| Subject: | Re: how to cool a poptop? |
| From: | Dan N |
| Date: | Thu, 11 Jun 2015 20:07:28 -0700 |
Land Rover put a 2nd roof on their cars for the African market http://www.simoncars.co.uk/landrover/slides/Land-Rover%20Series%20IIa%201968%20SW%20front.jpg http://upload.wikimedia.org/wikipedia/commons/a/a3/Land_Rover_Series_1_HT.jpg http://bringatrailer.com/wp-content/uploads/2010/05/1980_Land_Rover_109_Series_III_Wagon_For_Sale_Front_1.jpg On Thu, Jun 11, 2015 at 8:00 PM, Richard Smith <richard_smith@gnwc.ca> wrote: > They have mainly disappeared now, but for many years the taxis in Hong > Kong (Toyota Crowns) had a dual roof. On top of the regular roof, and > separated by about an inch, was another roof. The idea was that the flow > of air between the two roofs, as well as the shade, I guess, would make > for a cooler car. Perhaps this was because there was no air conditioning, > or to ease the burden on the air conditioner. I forget now, it was a long > time ago. > > Ah, I found a picture: > > http://en.wikipedia.org/wiki/Taxicabs_of_Hong_Kong#/media/File:HK_Toyota_Co > mfort_Red_Taxi.jpg > > Perhaps if this really works, you could find a wrecked Westy, cut off the > roof, and put it on top of the existing roof. Might get you a mention in > ³There, I fixed it.² (http://failblog.cheezburger.com/thereifixedit) :-) > > Šr > > > > On 2015-06-11, 7:52 PM, "PSD" <psdooley@VERIZON.NET> wrote: > > >Considering the Westy top, the heat transfer would be through conduction, > >through fiberglass, which isn't a good conductor. > >You would need to get 2 Westys, one with a light top, one with dark, park > >them side by side and measure the inside temperature. It would also be > >interesting to measure the inside surface temp of the pop tops. >
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