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  #11  
Old 01-17-2013, 05:28 PM
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rocketbob rocketbob is offline
 
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Harbor Freight sells this one: http://www.harborfreight.com/vibrati...elt-43771.html

It is a USA-made belt made by Jason Industrial: http://www.jasonindustrial.com/Produ...6&Type=Product

I use one of these on my surface grinder, works great. Its the right size to use on a Lycoming.

They really do make a big difference in quietness and smoothness.
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  #12  
Old 01-17-2013, 06:22 PM
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Snowflake Snowflake is offline
 
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Interesting. I wonder if the adjustability would let one better control alternator position, to avoid rubbing on the inside of the cowling.
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  #13  
Old 01-18-2013, 12:26 AM
Flying Scotsman Flying Scotsman is offline
 
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Quote:
Originally Posted by rocketbob View Post
http://www.fennerdrives.com/powertwist-plus/?=

I have had excellent results with these belts on machinery and I see no reason why they can't be used for an alternator belt. They do significantly reduce vibration. I will be using one of these on my Rocket.
This looks like a good item for the emergency repair toolkit...which one is the correct size for a Lycoming? And do they come in lengths shorter than a gazillion feet for hundreds of dollars?
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  #14  
Old 01-18-2013, 01:16 AM
gasman gasman is offline
 
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Quote:
Originally Posted by Snowflake View Post
Interesting. I wonder if the adjustability would let one better control alternator position, to avoid rubbing on the inside of the cowling.
Each link changes the length by 5/8"...... This belt is directional.
Granger catalog notes..... Not suitable for automotive or lawn tractor applications.

So let's get one out there in use and see how it does.
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  #15  
Old 01-18-2013, 01:28 AM
gasman gasman is offline
 
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Quote:
Originally Posted by Flying Scotsman View Post
This looks like a good item for the emergency repair toolkit...which one is the correct size for a Lycoming? And do they come in lengths shorter than a gazillion feet for hundreds of dollars?
You would need 3L for the size and about 38" long. Look for them to be sold by the inch at your local bearing supply store.

Be sure to test fit this way before you need it.
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  #16  
Old 01-18-2013, 01:49 AM
gasman gasman is offline
 
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Quote:
Originally Posted by rocketbob View Post
Harbor Freight sells this one: http://www.harborfreight.com/vibrati...elt-43771.html

It is a USA-made belt made by Jason Industrial: http://www.jasonindustrial.com/Produ...6&Type=Product

I use one of these on my surface grinder, works great. Its the right size to use on a Lycoming.

They really do make a big difference in quietness and smoothness.
If your pulley measures 3/8", then this 1/2" belt will not fit.
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  #17  
Old 01-19-2013, 02:21 AM
ron sterba ron sterba is offline
 
Join Date: May 2007
Location: salem Oregon
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I'll have to check this link belt out. Sounds like a good one for a spare. VERY review was A+. Thats hard to find!... I'll have to scope it out tomorrow after I get the belt on, either the starter goes or the extension bolts go but I'll get'r on..RV9A Ron in Oregon
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  #18  
Old 01-20-2013, 12:00 AM
ron sterba ron sterba is offline
 
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Location: salem Oregon
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Gasman,Wayne,Kurt. Well the starter came down a 1/4" after loosening the starter bolts and I slipped the belt on. Then installed the alernator, and throttle body. No linkage or line fuel lines or wiring yet. I have to find some pictures because Im not seeing the cable for the mixture or throttle yet. Not sure what plan page its on. I have the IO320. Did you guys install you fuel from the spider on top of the engine down between the #2 & #4 clinders or did you go straight out the back of the baffle and then down to the throttle body.? Thanks guys. Ron in Oregon.
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  #19  
Old 01-20-2013, 06:39 AM
krw5927 krw5927 is offline
 
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Location: Wichita, KS
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Sorry, Ron, but I can't offer knowledgeable advice here as my engine is carb'ed. Glad you got that belt on.
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  #20  
Old 09-29-2014, 06:33 PM
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shadowbrush shadowbrush is offline
 
Join Date: Mar 2013
Location: KUAO
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Quote:
Originally Posted by rocketbob View Post
http://www.fennerdrives.com/powertwist-plus/?=

I have had excellent results with these belts on machinery and I see no reason why they can't be used for an alternator belt. They do significantly reduce vibration. I will be using one of these on my Rocket.
Anybody tried out this belt type since?

Holger
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