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Off Topic Off Topic - General non-Corvette related discussion. |
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04-22-2024, 2:30pm | #1 | ||||||
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Vibration Finder tool
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04-22-2024, 2:34pm | #2 | ||||||
A Real Barner
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Where did you last see it?
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04-22-2024, 2:35pm | #3 | |||||||
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04-22-2024, 2:39pm | #4 | ||||||
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04-22-2024, 2:44pm | #5 | |
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04-22-2024, 3:04pm | #6 | ||||||
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04-22-2024, 3:08pm | #7 | |||||||
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04-22-2024, 3:13pm | #8 | ||||||
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Pro-tip:
Yaddie, you probably have a broken or loose engine mount, probably from that major shopping cart collision the Ranger suffered recently. Probably should check for frame damage, too. |
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04-22-2024, 3:27pm | #9 | ||||||
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It's not hard to have a cd that runs a spectrum sweep from 20Hz - 20kHz (freq range of red book CDs) to find the resonant frequency of the problem area.
I can't imagine you'd be able to generate enough SPL to reach heavier parts like suspension components etc that would never "rattle" with the 95db average a factory stereo could produce. Interesting concept that would work for interior parts though. Scott
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04-22-2024, 3:32pm | #10 | ||||||
Chief Electrician
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I am actually a certified vibration technician through IRD. That was about 35 years ago and I have forgotten a lot, but as Scott said, you'd be challenged to locate a suspension part's resonant frequency easily. There are pick ups and instruments that can do it, but it's not something just anyone could do.
I used one of these several times a day... https://www.ebay.com/itm/32462172135...EaAt_IEALw_wcB |
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04-22-2024, 3:36pm | #11 | ||||||
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I recommend the ANAL-O-Scope https://www.ebay.com/itm/20282664267...Bk9SR7CQsPjgYw
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04-22-2024, 4:09pm | #12 | |||||||
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Perhaps it's because he was told that after he's done with his studies he could have "Show And Tell" hour. Pure conjecture on my part, of course... |
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04-22-2024, 4:14pm | #13 | |||||||
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Risky click of the day right here! |
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04-22-2024, 4:34pm | #14 | |||||||
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04-22-2024, 7:52pm | #15 | ||||||
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04-22-2024, 7:56pm | #16 | ||||||
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The noise is in the Porch, a damped rattle, sounds like rear suspension. At slow speeds, not when turning or with a load in the rear of the car. That's all pointing to sway bar bushings or shock mounts, but I was under the car while it was on ramps for over an hour/ day trying to diagnose it. It's all tight.
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04-22-2024, 7:58pm | #17 | |||||||
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Then pick it up dummy. |
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04-22-2024, 7:59pm | #18 | |||||||
Barn Stall Owner #112
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Quote:
Believe it or not, I do have an oscilloscope. |
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04-22-2024, 9:27pm | #19 | |||||||
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04-22-2024, 9:30pm | #20 | ||||||
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Vibration finder tool?? I thought that was GTOguy's title
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