RX8 E-shaft vs 13B-RE/REW shaft

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\r\n \r\n \r\n 06-06-2009, 10:44 PM\r\n \r\n \r\n	\r\n \r\n #2\r\n \r\n
\r\n\r\n \r\n \r\n hyperlitenerd\r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n __________________ \r\n -The Angry Stig- \r\nDGRR 2009, 2011, 2012 & 2013 - Best FC \r\n \r\nDEALS GAP!! WOOHOOOO!!!!! \r\n \r\n2015 Audi S4 - Samantha - Zero Brap S4 \r\n2004 RX8 - Jocelyn - 196rwhp, 19mpg fuel to noise converter \r\n2000 Jeep Cherokee Sport - Wifey mobile - Now with 2.5" OME lift and 30" BFG AT KO\'s! So it begins \r\n1998 Jeep Cherokee - 5 spd, 4" lift, 33" BFG\'s - Rotary Tow Vehicle \r\n1988 \'Vert - In progress \r\n1988 FC Coupe - Gretchen -The attention whore BEAST! \r\n \r\n \r\nI\'m a sick individual, what\'s wrong with you? \r\nI\'m pure Evil \r\nI\'m still insane, in the best possible way. \r\nI think Brian\'s idea of romance is using lube. \r\nYour rage caused the meteor strike in Russia. The Antichrist would be proud of his minion. \r\nYou win with your thread. Most everything \r\nIt\'s a truck with a steel gate on the back. Just a statement of fact \r\n \r\nMotec M820, AIM dash, ported 13B-RE Cosmo, 6-spd trans, 4.3 Torsen, custom twin wg fully divided mani, Custom 4" split into 2x 3" exhaust, Custom HMIC, Custom custom custom custom I like to welder stuff.... \r\nNo Bolt-ons allowed. Dyno\'ed @ Speed1 Tuned by me - 405rwhp on WG.... WM50 cuming soon. \r\n-Angry Motherf*cker Mode ENGAGED-\r\n \r\n \r\n \r\n\r\n \r\n\r\n \r\n\r\n
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06-13-2009, 02:50 PM

#32

vex

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Quote:

Originally Posted by joff

Where'd this figure come from and would you mind explaining?

I assume these are the forces on the stationary gear that would otherwise cause it to twist? How is this relevant to E-shaft loading? I'm just a genuinely curious lurker -- have no credentials for an opinion, and no data points to offer so feel free to ignore...

It's from an ASE article regarding the 13B engine from an FD. Loads exerted on the stationary gear play a very large role in an asymmetric loading of the eccentric shaft. Since the loading appears to be greater than what the eccentric shaft sees on the bearing load. This means that a majority of the deforming load applied to the stationary gear should see abnormal wear when you have a case similar to Glenns. This is assuming that an abnormal ignition event caused the initial deformation of the shaft.

The actual title of paper is "Recent Technology Development of High-Powered Rotary Engine at Mazda" by Takumi Muroki.

It also has an interesting portion about timing and the propogation of the flame front depending on the location of ignition (10* EW TDC, 20* EW TDC, 30* EW TDC).

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