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Idler pulley
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CarGuru > Open discussion > Idler pulley 14 April 2005 11:11:26
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Idler pulley

Jim Heath 15 April 2005 03:58:28
 Am fitting AC to my R2 Avanti and need an idler pulley to compress the V
belt in other words a pulley that rides on the flat of the belt. Other than
the serpentine flat wide pulleys has anyone ever come across any with a flat
groove rather than a V.
Cheers
Jim 63 R2 4sp


Add comment
Midlant@Earthlink.Net 14 April 2005 04:33:55 [ permanent link ]
 I think that some used with the grooved belts may have a slight
increase in the dianeter at the middle to keep the belt centered.
This wouldn't work too well on a traditional "V" blt, methinks.

Walls may be needed to hold the belt in place, even if well-aligned. It
might work, but watch out for unusually wear

I think that it might need a bit of thought.

Karl (Hate to wrap a belt around a fan) Haas

Add comment
Alex M 14 April 2005 08:32:16 [ permanent link ]
 Have you already started or are you just looking at designs. It think
there are several ways to do it without needing that type of pulley, but
you may have something that requires a unique setup . Tell us what you
have and someone here may already have done one like yours.


"Jim Heath" <jim_win@rogers.com­> wrote in message
news:kYednYYgis62L8­DfRVn-rg@rogers.com.­..> Am fitting AC to my R2 Avanti and need an idler pulley to compress the > V belt in other words a pulley that rides on the flat of the belt. > Other than the serpentine flat wide pulleys has anyone ever come > across any with a flat groove rather than a V.> Cheers> Jim 63 R2 4sp>

Add comment
Studeman 14 April 2005 08:52:38 [ permanent link ]
 For "back-riding" pulleys, I like to use modern timing belt tensioners.
Most have a bracket or mount that you can adapt. I am using a Subaru
belt tensioner on Linda's Hawk's AC.

You may also look at:
http://www.ncsdc.co­m/TechnicalPages/AC/­studeac.htm

Ray

Jim Heath wrote:> Am fitting AC to my R2 Avanti and need an idler pulley to compress the V > belt in other words a pulley that rides on the flat of the belt. Other than > the serpentine flat wide pulleys has anyone ever come across any with a flat > groove rather than a V.> Cheers> Jim 63 R2 4sp >

Add comment
Studebaker Kid 14 April 2005 11:11:26 [ permanent link ]
 
There are several things that you can do. As suggested yo can use an
import stock tensioer or you can machine one out of delrin or aluminumk
or even brass and use hugh speed roller bearing inserts.

Add comment
 

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CarGuru > Open discussion > Idler pulley 14 April 2005 11:11:26
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