| [GMCnet] Pneumatic belt tensioner [message #335561] |
Tue, 24 July 2018 07:53  |
Anonymous
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I know some disagree with me, but I still think a simple, inexpensive pneumatic belt tensioner pushing on the back side of the PS/alt belt at its longest run would go a long way to increasing belt wrap at the alternator thereby decreasing or eliminating belt squeak there and at the power steering pulley. It would mount on a simple pivot point and push against a stationary member. If I still had a GMC I think I could prototype one in an afternoon.
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed & hand crafted
in the 1907 former Masonic Temple building
in historic Kerby, OR
http://jerrywork.com
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| Re: [GMCnet] Pneumatic belt tensioner [message #335568 is a reply to message #335561] |
Tue, 24 July 2018 09:07  |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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I think that the percentage of increased wrap would be negligible, but taking all slack out instantly on the slack side during high demand should work. I had posted to Matt that on an old 8HP Ariens they succeded with a single V belt with the tensioner (lever and spring loaded) on the slack side. I found that the belts only failed due to dry rot not overpowering.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Pneumatic belt tensioner [message #335572 is a reply to message #335561] |
Tue, 24 July 2018 11:03 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Why a pneumatic tensioner? Whassa matter with a simple spring or fixed tensioner? On verious vehicles I've had both without problems.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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