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oldcorollas
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
 
Re: Engine vibrations, narrowed it down. Wed, 18 August 2004 13:04 Go to previous messageGo to previous message
hmm, i dunno if i'm doing ti right, but with 100Hz lowpass filter, i get:
http://www.materials.unsw.edu.au/~sford/joel1.jpg

the time of one wavelength is approx 0.011, so thats around 90Hz, or 5400rpm... could be 500rpm out tho...

as for finding the vibration.... any ideas anyone? we can run a bandpass filter to look for specific frequencies?

or high or lowpass? or noise reduction??

Joel, any idea if the vibration sounds at engine speed? or less or more?

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SubjectPosterDate
Read Message   Engine vibrations - rebuild started TurboRA28Mon, 19 July 2004 03:13
Read Message   Re: Engine vibrations, more questions! DannersMon, 19 July 2004 03:21
Read Message   Re: Engine vibrations, more questions! NorbieMon, 19 July 2004 03:38
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 03:42
Read Message   Re: Engine vibrations, more questions! NorbieMon, 19 July 2004 03:46
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 03:49
Read Message   Re: Engine vibrations, more questions! oldcorollasMon, 19 July 2004 04:31
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 06:54
Read Message   Re: Engine vibrations, more questions! AE86slutMon, 19 July 2004 07:05
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 07:11
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 07:13
Read Message   Re: Engine vibrations, more questions! AE86slutMon, 19 July 2004 07:18
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 07:25
Read Message   Re: Engine vibrations, more questions! AE86slutMon, 19 July 2004 07:27
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 07:32
Read Message   Re: Engine vibrations, more questions! oldcorollasMon, 19 July 2004 07:39
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 19 July 2004 07:44
Read Message   Re: Engine vibrations, more questions! CelicaRA45Mon, 19 July 2004 10:30
Read Message   Re: Engine vibrations, more questions! TurboRA28Sat, 24 July 2004 01:55
Read Message   Re: Engine vibrations, more questions! BugmanSat, 24 July 2004 03:28
Read Message   Re: Engine vibrations, more questions! TA22Sat, 24 July 2004 03:51
Read Message   Re: Engine vibrations, more questions! TurboRA28Sat, 24 July 2004 04:18
Read Message   Re: Engine vibrations, more questions! TA22-3SGTESat, 24 July 2004 12:01
Read Message   Re: Engine vibrations, more questions! TurboRA28Sat, 24 July 2004 23:34
Read Message   Re: Engine vibrations, more questions! TA22-3SGTESun, 25 July 2004 05:12
Read Message   Re: Engine vibrations, more questions! TurboRA28Sun, 25 July 2004 10:37
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 26 July 2004 00:32
Read Message   Re: Engine vibrations, more questions! Steve_ReynoldsMon, 26 July 2004 06:04
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 26 July 2004 06:18
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 26 July 2004 06:31
Read Message   Re: Engine vibrations, more questions! ChuckLandwehrMon, 02 August 2004 09:27
Read Message   Re: Engine vibrations, more questions! TurboRA28Mon, 26 July 2004 06:31
Read Message   Re: Engine vibrations, more questions! omegamanMon, 26 July 2004 07:32
Read Message   Re: Engine vibrations, more questions! TurboRA28Thu, 29 July 2004 23:52
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Sun, 01 August 2004 08:09
Read Message   Re: Engine vibrations, narrowed it down. SeptemberSquallIndustriesSun, 01 August 2004 10:05
Read Message   Re: Engine vibrations, narrowed it down. thechucksterSun, 01 August 2004 11:16
Read Message   Re: Engine vibrations, narrowed it down. SeptemberSquallIndustriesSun, 01 August 2004 15:36
Read Message   Re: Engine vibrations, narrowed it down. allencrSun, 01 August 2004 12:44
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Sun, 01 August 2004 23:31
Read Message   Re: Engine vibrations, narrowed it down. SeptemberSquallIndustriesMon, 02 August 2004 03:09
Read Message   Re: Engine vibrations, narrowed it down. TA22Mon, 02 August 2004 03:50
Read Message   Re: Engine vibrations, narrowed it down. cseufertMon, 02 August 2004 10:08
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Mon, 02 August 2004 11:19
Read Message   Re: Engine vibrations, narrowed it down. fade-eMon, 02 August 2004 12:49
Read Message   Re: Engine vibrations, narrowed it down. 510robMon, 02 August 2004 18:16
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Mon, 16 August 2004 01:19
Read Message   Re: Engine vibrations, narrowed it down. fade-eMon, 16 August 2004 01:30
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Mon, 16 August 2004 01:35
Read Message   Re: Engine vibrations, narrowed it down. fade-eMon, 16 August 2004 01:43
Read Message   Re: Engine vibrations, narrowed it down. ScorpionMon, 16 August 2004 12:11
Read Message   Re: Engine vibrations, narrowed it down. fade-eMon, 16 August 2004 13:45
Read Message   Re: Engine vibrations, narrowed it down. ScorpionMon, 16 August 2004 14:40
Read Message   Re: Engine vibrations, narrowed it down. BugmanMon, 16 August 2004 13:51
Read Message   Re: Engine vibrations, narrowed it down. fade-eMon, 16 August 2004 21:19
Read Message   Re: Engine vibrations, narrowed it down. ScorpionTue, 17 August 2004 11:51
Read Message   Re: Engine vibrations, narrowed it down. oldcorollasTue, 17 August 2004 12:52
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Tue, 17 August 2004 23:15
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Mon, 16 August 2004 23:32
Read Message   Re: Engine vibrations, narrowed it down. fade-eMon, 16 August 2004 23:38
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Tue, 17 August 2004 23:17
Read Message   Re: Engine vibrations, narrowed it down. oldcorollasWed, 18 August 2004 11:26
Read Message   Re: Engine vibrations, narrowed it down. oldcorollasWed, 18 August 2004 11:35
Read Message   Re: Engine vibrations, narrowed it down. Celica_JohnTue, 17 August 2004 23:23
Read Message   Re: Engine vibrations, narrowed it down. YelloRollaWed, 18 August 2004 07:37
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Wed, 18 August 2004 10:34
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Wed, 18 August 2004 11:22
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Wed, 18 August 2004 11:29
Read Message   Re: Engine vibrations, narrowed it down. oldcorollasWed, 18 August 2004 11:38
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Wed, 18 August 2004 11:42
Read Message   Re: Engine vibrations, narrowed it down. oldcorollasWed, 18 August 2004 11:47
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Wed, 18 August 2004 11:54
Read Message   Re: Engine vibrations, narrowed it down. oldcorollasWed, 18 August 2004 12:02
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Wed, 18 August 2004 12:21
Read Message   Re: Engine vibrations, narrowed it down.  oldcorollasWed, 18 August 2004 13:04
Read Message   Re: Engine vibrations, narrowed it down. TurboRA28Thu, 19 August 2004 00:38
Read Message   Re: Engine vibrations - rebuild started TurboRA28Tue, 07 September 2004 12:19
Read Message   Re: Engine vibrations - rebuild started TurboRA28Tue, 07 September 2004 12:27
Read Message   Re: Engine vibrations - rebuild started YelloRollaTue, 07 September 2004 12:31
Read Message   Re: Engine vibrations - rebuild started TurboRA28Wed, 08 September 2004 11:46
Read Message   Re: Engine vibrations - rebuild started jesseT18Wed, 08 September 2004 11:51
Read Message   Re: Engine vibrations - rebuild started TurboRA28Wed, 08 September 2004 12:01
Read Message   Re: Engine vibrations - rebuild started jesseT18Wed, 08 September 2004 12:08
Read Message   Re: Engine vibrations - rebuild started CrAiGzEEWed, 08 September 2004 12:30
Read Message   Re: Engine vibrations - rebuild started fade-eWed, 08 September 2004 13:37
Read Message   Re: Engine vibrations - rebuild started TurboRA28Thu, 09 September 2004 00:06
Read Message   Re: Engine vibrations - rebuild started fade-eThu, 09 September 2004 07:45
Read Message   Re: Engine vibrations - rebuild started TurboRA28Thu, 09 September 2004 10:33
Read Message   Re: Engine vibrations - rebuild started jesseT18Fri, 10 September 2004 01:48
Read Message   Re: Engine vibrations - rebuild started TurboRA28Fri, 01 October 2004 02:26
Read Message   Re: Engine vibrations - rebuild started fade-eFri, 01 October 2004 02:35
Read Message   Re: Engine vibrations - rebuild started TurboRA28Fri, 01 October 2004 02:47
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