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Thread: Tubular front control arms

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Posts: 171-180 of 363
2010-07-17 14:12:52
#171
bump again fro some p10 ones!!
2010-07-17 15:02:10
#172
any idea of what the price will be?? also can you make a tracktion bar set up that is similar to the ones produced by full race, or avid for civic's that would be compatible with these and sell as a complete kit. and do these come with the bushings?
2010-07-17 21:09:47
#173
Th arms will be $435. Yes they will include everything needed to install. The bushings are made of delrin.

We will do a traction bar set-up later on down the road.

Mark
2010-07-18 16:10:55
#174
Originally Posted by mevans
How about some more testing i.e. FMEA and fatigue before this product is available. I applaud your design efforts but these are critical suspension components we are talking about now.


What's the worst that could happen if a control arm 'failed'?
2010-07-18 17:12:15
#175
^am i being punk'd?
2010-07-18 17:23:30
#176
Originally Posted by Busted_Door
What's the worst that could happen if a control arm 'failed'?
I may still purchase a set. I will follow the post and see what the results are. I do like the design. The above was my opinion.
2010-07-18 20:55:38
#177
Well, worst case scenario is if the arm failed it would brake at a joint and the wheel would cave in and wobble. If you were going fast enough it could cause damage. But even if that did happen it would have to brake through a 3/16" wall tube and then through a 1/4" plate. If you would like to wait and see results by all means do so.

Mark
2010-07-19 02:37:54
#178
To be completely honest guys, I don't see the arm breaking anywhere inboard of the threading for the rod end.
2010-07-19 02:53:52
#179
Originally Posted by Overkill
Well, worst case scenario is if the arm failed it would brake at a joint and the wheel would cave in and wobble. If you were going fast enough it could cause damage...

Mark


Uhm No

Usually when the arm fails the force after failure on the other parts which are no longer supported also have a tendency to fail (especially tie rods and sway bar mounts (depending on where failure point is)... strut is stronger, but can rip out if upper hat isn't supported). I find it VERY hard to believe you would have a situation where it would just "cave in and wobble". Usually the failure will rip the wheel off or rip it sideways and throw the car out of control. Failure is a BIG deal.

Not saying your design will fail, but failure is a big deal if it does happen. I do question anything where you are able to take a structural member and reduce 10lbs out of it. Based on that I have to suspect the margin of safety has been reduced. Typically tubular arms are able to take a couple of pounds when compared to stamped arms with no reduction in margin.
2010-07-19 12:51:33
#180
Originally Posted by wnwright
Uhm No

Usually when the arm fails the force after failure on the other parts which are no longer supported also have a tendency to fail (especially tie rods and sway bar mounts (depending on where failure point is)... strut is stronger, but can rip out if upper hat isn't supported). I find it VERY hard to believe you would have a situation where it would just "cave in and wobble". Usually the failure will rip the wheel off or rip it sideways and throw the car out of control. Failure is a BIG deal.

Not saying your design will fail, but failure is a big deal if it does happen. I do question anything where you are able to take a structural member and reduce 10lbs out of it. Based on that I have to suspect the margin of safety has been reduced. Typically tubular arms are able to take a couple of pounds when compared to stamped arms with no reduction in margin.


Yes, if you are doing 100 or tracking the car I guess. And you are correct,the new arms are 1.8lbs lighter on each side. Please dont tell me we spent 3 months of design and 2 different arm styles for you guys to bash us without even seeing any results. We took on this project to better the outcome of the car and to fix a MAJOR problem.

Please tell me there is still interest in these.
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