Subject:
|
Re: On the Subject of Treads
|
Newsgroups:
|
lugnet.robotics
|
Date:
|
Mon, 30 Aug 1999 20:36:22 GMT
|
Viewed:
|
706 times
|
| |
|
|
In lugnet.robotics, lego-robotics@crynwr.com (John Barnes) writes:
[snip]
> Has any one used treads to make a simple crawler that really
> works properly?
>
> I have failed a number of times. What I observe is that the
> treads slowly precess relative to the cogging on the tread
> wheels. Then, the ribs on the inside surface of the tread
> "climb over" the ribs on the tread wheels. This causes a big
> increase in friction, and is not acceptable. I have tried to
> construct devices using treads as conveyors, with the same
> result. I have tried different tensioning schemes, but nothing
> seems to help.
I have indeed seen this before, on at least three different
LEGO Technic (including one RIS) kits. Its a flaw in the treads,
not anything that you are doing wrong. I called the LEGO Customer
Satisfaction line, complain, and they ship me out a new set. Let
me guess, your treads are kind of thick and rather stiff, won't
loosen up and eventually bind on the rollers? Am I psychic? Nope,
I've just seen it often.
Get a new set.
DLC
|
|
Message is in Reply To:
 | | On the Subject of Treads
|
| I note with interest, the discussion relating to using treads for building a climber. I have a preliminary question before going further with a technically challenging problem like this. Has any one used treads to make a simple crawler that really (...) (25 years ago, 30-Aug-99, to lugnet.robotics)
|
4 Messages in This Thread:
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
Active threads in Robotics
|
|
|
|
|
|
