V-belt tensioner

[Ryan_P]

Kevin,

Maybe if you get a pulley to where it is grooved low enough to where the entire belt will sit inside in the groove, then it might work.

I agree with what ZTFab is saying. Also, try running a size smaller belt, like a 1/4'' to 1/2'' smaller, that also might make a difference. Also the type of belt that you are running will have a difference......what manufacturer are you running? Some will stretch more than others, depending on what material they are using to make the belts. I recommend Gates for their V slits and syntheitc material, we carry them at work and if that is that you are running, let me know the belt number and I will see what the next size down would be, to best fit your need.

-Ryan

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[DMSRACE]

The belt is deep in the groove as we custom made a pulley for it already, we run GAtes, but going to change to another brand of which I was told was better...

[dislocated1]

I ended up running a tensioner pulley off of a 5.0 with a custom bracket and it seems alot better. We had problems with the Alt getting to full voltage and now on fire-up it has full voltage, no squeaks and no heat build up on the belt itself. The tensioner pulley is stationary and I still tension the Alt with the turnbuckle, we are testing this Fri to see if it will hold up in the dez because running it in the shop is not exactly race conditions. Hopefully this works but it is still not the best situation with running the P.S off the Alt but space is very limited in there.

[shrek]

Sky---

Try adjusting the Flux Capacitor to full power............I heard that will solve all kinds of problems......

Shrek

[dislocated1]

We have the special flux-capacitor on order that runs on trash, that way I can clean up the shop and do top-secret back to the future burnouts around the complex

[DMSRACE]

Our real secert is the Landfield edition Sucker Snout..

[Dave_G]

The belt is deep in the groove as we custom made a pulley for it already.

Did you make the pulley groove angle to the correct spec? Most people don't know this but the total included angle of a V-belt groove changes based on the pitch diameter of the pulley. Basically, a smaller pulley runs a steeper groove angle verses a larger diameter pulley.

Getting the maximum degrees of wrap around the pulleys is also very important. Here's a good example of "maximum wrap" on a setup I built for the overall 4 wheel winner at last years baja 1000. ;-)
http://ourworld.cs.com/Dogs4birds/Belt1.JPG

[dislocated1]

Holy Crap Dave that is beautiful!! The Idler pulley I put on looks like the one in the pic between the P.S. and the Alt. It deflects the belt about 1" down around the pulley and gave me about 30 degrees more belt wrap. We took it to Lucerne yesterday and put quite a few miles on it on the MORE course and it worked great, no slippage and none of the heat build up that we had prior.

[ZTFab]

[QUOTE=dislocated1]Holy Crap Dave that is beautiful!!


Took the words right out of my mouth....

glad to hear you solved the problem....
You guys (DMS) gonna be at Parker?

[DMSRACE]

Dave, please no more pics like that, it makes most of us jealous...lol...Skyler and the boys did a great job fixing the problem and we thank you all for your help..

Kevin