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Old 10th June 2011, 11:26   #16
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Default Re: Using an AC in an open car?

The only difference from a closed cabin is that the compressor is always on max load. If you have a closed cabin at say 40 C, then the a/c works by sucking in and slowly there will be a thermal equilibrium and a constant temperature is attained.

In an open cabin, the a/c would effectively be sucking in air always at higher temperatures and the compressor is always at load. It is more akin to using a/c in fresh air mode. Apart from that, the a/c air filter will choke more often and needs replacement. Apart from this I don't think we have other issues!
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Old 10th June 2011, 11:32   #17
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Default Re: Using an AC in an open car?

As the compressor would never cut-off because of no reduction in cabin temperature, you are looking at lesser service life as well as higher maintenance costs. Would help if you atleast put a soft top.
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Old 10th June 2011, 11:35   #18
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Default Re: Using an AC in an open car?

My project jeep was supposed to be a half hard top. However, as discussed in this thread (http://www.team-bhp.com/forum/4x4-te...p-hardtop.html (Flexural Stresses on Jeep Hardtop)) the flexural stresses on the top are an issue.

So we modified it to another design which may not allow doors. Thus, the question.

We are still working on a compromise.
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