Drive shaft balance? Has anyone ever balanced their drive shaft? While I have everything apart it just a thought ..
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Re: Drive shaft balance? Open or closed??
If open, yes, after installing a new yoke. |
Re: Drive shaft balance? I always balance open driveshafts, but have never done a closed one.
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Re: Drive shaft balance? on model T's we static balance the solid shaft. sometimes they are off quite a bit, and its nice to see them spin true
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Re: Drive shaft balance? No closed, with center bearing .
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Re: Drive shaft balance? Because of the small diameter, short of being bent, it shouldn't be an issue.
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Re: Drive shaft balance? As was already mentioned, the small diameter and the fact that is is solid have a lot to do with whether an imbalance will affect it. The whipping of a solid shaft can be a problem so Ford used a damper like most drive systems with long shafting. A larger tubular shaft has no mass on it's center line due to being hollow and many are welded tube so they are very much affected. Whipping is generally not a problem on shorter hollow tube shafts but longer ones need the added stability under large torque loads. A lot depends on diameter and length.
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Re: Drive shaft balance? Why do you think you need to balance the driveshaft?
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Re: Drive shaft balance? I had one in the balancer once. I did not have a lathe long enough at the time to check it between centers for straight so I laid it in the balancer and rolled it by hand with an indicator on it. It was bent. I straightened it and then spun it just for kicks to see if it was out of balance any. It wasn't.
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Re: Drive shaft balance? I would replace the center shaft bearing while you have it apart if you are concerned it might vibrate. Al
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Re: Drive shaft balance? Quote:
Pete what was the method you used to straighten the shaft? I had it in a lathe yesterday just to touch up where the center bearing runs and did notice a bit of a wobble on the uni end, shaft was held in the chuck roughly in the middle. |
Re: Drive shaft balance? If you are good you might straighten it yourself with two knife edged vee stands and a torch. other wise take it to a machine shop with a long lathe.
Bruce |
Re: Drive shaft balance? Dial indicate half then turn it around and do the other end. As long as it runs true in the chuck and the tail center runs true, you should be able to check it ok.
I used heat to straighten it. Heat it on the high side and cool quick with a wet rag or if the lathe has coolant use that. DO NOT heat it enough to turn it color. It will usually take several times to get it straight. Be sure to dial it over the whole length. |
Re: Drive shaft balance? Thanks for that!
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I did go past a drive shaft balancing place yesterday just to get an opinion. He quite simply said I wont piss in your pocket nothing that can be done that would be worth it.. So thats the end of that..:p |
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Good luck! |
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