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| Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... |
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| Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... |
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01-07-2010, 02:34 AM
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#1 |
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At the dirt track.
Join Date: Jan 2010
Location: Willamette Valley, OR
Posts: 89
Rep Power: 16  |
Hi could you tell me what the RMS (Surface finish)is after the final lapping?
Thanks.
__________________
Rollin like a reuleaux. Unstoppable. |
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01-07-2010, 09:20 AM
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#2 |
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Rotary Fanatic
Join Date: Feb 2008
Location: Shelby Twp MI.
Posts: 315
Rep Power: 18 |
Just finished up a set of plates for a customer 3 rotor...
Enjoy           The cost for me to have these done went up, so i'm pasing the savings on. 480.00 for a 13b 640.00 for a 20b Last edited by To_Slow; 01-07-2010 at 05:07 PM. |
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01-08-2010, 02:34 AM
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#3 | |
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At the dirt track.
Join Date: Jan 2010
Location: Willamette Valley, OR
Posts: 89
Rep Power: 16 |
Quote:
__________________
Rollin like a reuleaux. Unstoppable. |
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01-08-2010, 05:40 PM
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#6 | |
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Rotary Masochist
Join Date: May 2008
Location: Floyds Knobs, IN
Posts: 494
Rep Power: 18 |
Quote:
Sure about that number? We had some plates ground a while back and took some measurements of re-ground used and brand new OE plates. We found a new set of OE plate to be about 12 Ra (micro-inches) on average. Our guy got the used plates to an average of 8 Ra. The rough correlation between the RMS and Ra is around 11%. So our measurements for the stock plate would roughly be 13 RMS. They look to good to be as bad as your measurement would suggest.
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_______________________________________________ One stop Haltech, AEM, Syvecs shopping. Installation and tuning. http://www.lms-efi.com Free support. Drop us an email. chris@lms-efi.com 502-515-7482 Facebook @LMS-EFI |
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01-11-2010, 07:10 AM
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#7 | |
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Rotary Fanatic
Join Date: Feb 2008
Location: Shelby Twp MI.
Posts: 315
Rep Power: 18 |
Quote:
 O well.... |
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01-11-2010, 03:29 PM
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#8 | |
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Rotary Masochist
Join Date: May 2008
Location: Floyds Knobs, IN
Posts: 494
Rep Power: 18 |
Quote:
 That's funny.
__________________
_______________________________________________ One stop Haltech, AEM, Syvecs shopping. Installation and tuning. http://www.lms-efi.com Free support. Drop us an email. chris@lms-efi.com 502-515-7482 Facebook @LMS-EFI |
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