 How flexible do you think a stock, trailing arm is |
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| ChrisFoley |
 Dec 16 2005, 06:19 PM
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I am Tangerine Racing  Group: Members Posts: 8,016 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None 
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Specifically I am looking for rotational stiffness (ie. twist) of the trailing arm due to the tire contact patch resisting sideways sliding of the car. I'm only interested in forces greater than 1G during cornering.
I already know what happens but go ahead and take a guess. (IMG:style_emoticons/default/biggrin.gif) I'll post pictures of my test fixture shortly. |
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Posts in this topic
Racer Chris How flexible do you think a stock, trailing arm is Dec 16 2005, 06:19 PM
Thorshammer Remember young whipper snappers, Measure twice cut... Jan 10 2006, 09:17 PM TimT You may have to "see" some things, you wont get bl... Jan 10 2006, 09:32 PM brant I think people should send core arms to Chris to g... Jan 10 2006, 10:56 PM Racer Chris Ok. I think I have a better handle on the mathemat... Jan 12 2006, 09:35 PM Racer Chris
These numbers are approximately correct for a 9.5... Jan 12 2006, 09:50 PM Racer Chris I came up with a simple way to fixture a trailing ... Jan 13 2006, 08:06 AM jluetjen OK Folks. And now the moment that you've been... Jan 13 2006, 08:38 AM jluetjen Here's how I set the models up. I used the ge... Jan 13 2006, 08:44 AM jluetjen Here's the top view of the base model. Jan 13 2006, 08:46 AM jluetjen Here's the base model with the vertical bulkhe... Jan 13 2006, 08:47 AM jluetjen Here's the version with just the external guss... Jan 13 2006, 08:48 AM jluetjen And finally the model with the external gusset and... Jan 13 2006, 08:50 AM jluetjen Now it's Chris's turn... ... Jan 16 2006, 04:40 PM Racer Chris My best estimate is sometime in the spring. I stil... Jan 16 2006, 04:44 PM Racer Chris
Once I actually sat down and started working on t... Jan 16 2006, 04:49 PM Brett W Can someone please resize the images? ... Jan 16 2006, 08:35 PM pek771 Chris is pretty close on this. I thought about it ... Jan 16 2006, 08:53 PM jluetjen Comcast came to the house and we're back in bu... Jan 17 2006, 04:58 PM Racer Chris Thanks John!
Looking at the data -
It appears ... Jan 18 2006, 06:56 AM jluetjen Chris; Good catch about the magnitude of the y-rot... Jan 18 2006, 07:40 AM jluetjen This is the model with the bulkhead. Jan 18 2006, 07:45 AM jluetjen And the model with the gusset and floor. Jan 18 2006, 07:46 AM jluetjen Here's a different view that may be helpful to... Jan 18 2006, 07:55 AM Racer Chris John,
It is apparent that the "arm" you ... Jan 18 2006, 09:30 AM jluetjen Chris;
The software only allows me to add forces i... Jan 18 2006, 01:00 PM Racer Chris
Not exactly. The 1390 is in the opposite directio... Jan 18 2006, 05:00 PM jluetjen 
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