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01-17-2013, 05:28 PM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,564
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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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Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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01-17-2013, 06:22 PM
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Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,932
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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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Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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01-18-2013, 12:26 AM
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Join Date: Nov 2005
Posts: 1,256
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Quote:
Originally Posted by rocketbob
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.
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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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Steve "Flying Scotsman"
Santa Clarita, CA
PP-ASEL, ASES, Instrument Airplane
RV-7A N660WS flying!
#8,000
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01-18-2013, 01:16 AM
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Join Date: Mar 2007
Location: Sonoma County
Posts: 3,821
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Quote:
Originally Posted by Snowflake
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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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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VAF #897 Warren Moretti
2019 =VAF= Dues PAID
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01-18-2013, 01:28 AM
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Join Date: Mar 2007
Location: Sonoma County
Posts: 3,821
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Quote:
Originally Posted by Flying Scotsman
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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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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VAF #897 Warren Moretti
2019 =VAF= Dues PAID
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01-18-2013, 01:49 AM
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Join Date: Mar 2007
Location: Sonoma County
Posts: 3,821
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Quote:
Originally Posted by rocketbob
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If your pulley measures 3/8", then this 1/2" belt will not fit.
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VAF #897 Warren Moretti
2019 =VAF= Dues PAID
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01-19-2013, 02:21 AM
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Join Date: May 2007
Location: salem Oregon
Posts: 1,023
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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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01-20-2013, 12:00 AM
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Join Date: May 2007
Location: salem Oregon
Posts: 1,023
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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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01-20-2013, 06:39 AM
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Join Date: Aug 2010
Location: Wichita, KS
Posts: 1,958
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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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Kurt W.
RV9A
FLYING!!!
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09-29-2014, 06:33 PM
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Join Date: Mar 2013
Location: KUAO
Posts: 87
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Quote:
Originally Posted by rocketbob
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.
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Anybody tried out this belt type since?
Holger
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