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Old 10-08-2003, 01:21 PM   #1
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Default Captured Ball Ends

How are captured ball ends different from regular ball ends and why are they better?
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Old 10-08-2003, 08:54 PM   #2
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They don't pop off. It's like a pivot ball you bolt on instead of using a ball stud. The pivot ball is in the rod end which is screwed on the trunbuckle. They don't pop off.
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Old 10-09-2003, 08:58 AM   #3
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Default captured ball ends

AreCee,

Do you have picture of this thing and where can I get it? I have the same problem of ball ends popping out.
Tnx.

CE!
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Old 10-09-2003, 01:06 PM   #4
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They look like these:
http://www2.towerhobbies.com/cgi-bin...?&I=LXCZ63&P=7

They're made and sold under many names; Associated, Kyosho and the one I like Rocket City.
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Old 10-09-2003, 03:30 PM   #5
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That thing is a killer. I ordered mine already.

Thanks AreCee
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Old 10-12-2003, 03:26 PM   #6
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do these really stay better then ball cups?
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Old 10-12-2003, 05:10 PM   #7
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Yes.

For additional insurance, you can put a washer between the bolt and the rod end so it will only fail if the bolt breaks. Of course you do realize that the rod end can still break if crashed hard enough.
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Old 10-18-2003, 05:27 PM   #8
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yeah wont you just bend your turnbuckle instead just buy rpms heavy duty ballcups
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Old 10-19-2003, 12:49 PM   #9
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Keep in mind, captured ball ends are not perfect.

They do not allow as much freedom of movement. The often don't won't work at as extreme angles as ball cup.

They tend to bind up more than ball cups and will cause added drag and bind in the suspension.

They also should not be used on cars that use a verticle ball stud to adjust roll center (Losi front, B4/T4 etc.) and on the steering tie rods without some careful adjustments. Because they are not the same height as the stock ball cup, you will need to adjust your shimming to keep the same susspension geometry. You can also run into problems where the limited travel of the ball end stops the travel of the suspension before it fully compressed. Using them on steering can cause bump steer issues that are hard to get rid of.

If you want to use them, many guys around here use the Traxxas captured ends. You can get a bulk bag of 12 of them for $6. They are made of a little softer plastic than others but they don't tend to bind and at the price, you can afford to replace them more often if they bend or stetch. Usually you will have to use a slightly longer tie rod with them though because they are shorter than the Losi or AE ball cups.
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