Subject:
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Re: Any Ideas= 8448 and 4 wheel steering?
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Newsgroups:
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lugnet.technic
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Date:
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Thu, 18 Jan 2001 05:46:50 GMT
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Viewed:
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746 times
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Similar to what I'm building now I think. I'm using 2 u-joints with
'parallelogram' suspension, and it works ok as long as you make sure that
the pivot points for the hub and suspension are vertically aligned witht he
u-joint pivot points. That way, distance does not increase or decrease
(altho it does a wee bit i think due to simple tolerances in LEGO) and
allows all points to remain equi-distant relative to each other in 3 dmensions.
-jeff
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Message has 1 Reply:
 | | Re: Any Ideas= 8448 and 4 wheel steering?
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| (...) dmensions. You also have to make sure the two u-joints are connected with the "slits" matching, not 90 degrees apart, or you'll get the sinusoidal variation Jason mentions here: (URL) you don't understand my description (you wouldn't be the (...) (23 years ago, 18-Jan-01, to lugnet.technic)
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Message is in Reply To:
| | Re: Any Ideas= 8448 and 4 wheel steering?
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| (...) The problem with using u-joints is that as the angle increases, the output becomes more "jumpy" relative to the input. This is why real cars (and the 8880) use CV joints. With suspension, it's OK, because you can use two u-joints to cancel (...) (23 years ago, 10-Jan-01, to lugnet.technic)
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