Patrick,
Always great to hear from you! I was hoping for a happier ending to your story!
John, David, Larry, and Jerry: Thank you all for your responses.
Looks like I will be going with two belts!
Lin
> On May 5, 2015, at 9:08 PM, Patrick & Caroline Quinn <p_cquinn@tpg.com.au>
> wrote:
>
> Gâ??day Lin
>
> Personally I would go for the twin belt arrangement for better contact with
> the alternator.
>
> Some years back we had a Jaguar Mk2 for everyday use. It was a lovely car,
> but it suffered from one problem â?? if a spanner fitted it was a design
> fault!
>
> We have 4 kids and back then the two youngest ones were quite small and my
> wife started talking about air conditioning. Eventually the talk became a
> little more serious and I fitted air con to the car. I should say that it
> wasnâ??t during the course of a restoration, but over a couple of days. I
> think the compressor came from either a Toyota Corolla or a Honda Civic while
> the rest of it came from an aftermarket underdash system along with the
> various widgets around the radiator.
>
> Worked beautifully and my wife was happy. Then the call came saying that the
> car had stopped a long way from home with lots of funny noises from both the
> kids and car.
>
> On inspection I found out that the funny noises was exactly what it sounds
> like when the timing/camshafts chains start to let go and flail, about which
> in a Jaguar engine means that valves start to hit pistons. The moral of that
> story is that when that much extra stress is placed on the front of an old
> engine you should expect trouble.
>
> So that car was replaced by a Jaguar XJ6 S2 which was a lovely car that soon
> had serious body problems around the roof. Would you believe that back then
> in this part of the world Jaguar used to ship some of their cars to New
> Zealand without the roof to save on the cost of shipping and then the roofs
> would be united with the rest of the car and then shipped to Australia.
>
> Hoo Roo
>
> Patrick Quinn
> Blue Mountains, Australia
>
> From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Linwood
> Rose
> Sent: Tuesday, 5 May 2015 9:42 AM
> To: Forum Healeys
> Subject: [Healeys] Question on pulley/belt configuration for air conditioning
>
> Working on the restoration of a Jaguar MK2 at the moment, and I have a
> question for my healey friends.
>
> I am air conditioning this car. My first configuration of pulleys and belts
> can be seen in Image 1. All on one 1/2â?? â??Vâ?? belt. This approach
> continues to use the original â??jockeyâ?? pulley (to the left and above the
> crank pulley) for tensioning the belt although I suppose that it is not
> really needed since in this approach the tension can be adjusted by rotating
> the alternator.
>
> However, I wonder about having the alternator and the compressor on one
> â??Vâ?? belt as in image 2, and then have the crank pulley, water pump
> pulley, compressor and idler pulley (not tensioned) on a second â??Vâ?? belt.
> I could accomplish this easily as the compressor has two â??Vâ?? belt pulleys
> (one double) and I could shift the alternator to the rear to get the proper
> alignment.
>
> Do I gain much of anything by moving to the two belts?
>
> I have seen several Healeys with the stacked alternator and compressor on
> their own belt. Unlike in the Healey configuration, in my case the compressor
> would be on top and the alternator below.
>
> What are your thoughts? I would appreciate hearing your views about this.
>
> Lin Rose
>
>
> <image001.jpg>
>
>
> <image002.jpg>
Lin Rose
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