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In lugnet.robotics, Stefan Naepflin wrote:
> In lugnet.robotics, Ross Crawford wrote:
>
> > Hi Steven, that is very cool! I'm glad I could contribute no matter how small.
> > I've added .technic to the groups cos I think they'll like it over there too!
> >
> > Can't wait to see the finished robot - I remember Short Circuit from when I was
> > a kid.
> >
> > One question I have, how smoothly does it move on those treads? I found my crane
> > was pretty jerky when it moved.
>
> Thank you for your feedback and for adding my post to .technic.
>
> Yes it's true, moving is pretty jerky and because of the huge overall weight the
> treads will broke up .relatively often.
>
> Maybe I'll think about another kind of treads but I'll finish up the other parts
> first
You might find that spreading the hinge plates wider on the tread shoes will
help. Having them near the centre increases the "twisting" effect if there are
forces near the edge of the shoes. Also, having 3 per shoe instead of 2 may help
- mine don't break apart very often now, mostly only when trying to turn (move
one tread faster than the other).
ROSCO
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In lugnet.robotics, Ross Crawford wrote:
> In lugnet.robotics, Stefan Naepflin wrote:
> > In lugnet.robotics, Ross Crawford wrote:
> > >
> > > One question I have, how smoothly does it move on those treads? I found my crane
> > > was pretty jerky when it moved.
> >
> > Thank you for your feedback and for adding my post to .technic.
> >
> > Yes it's true, moving is pretty jerky and because of the huge overall weight the
> > treads will broke up .relatively often.
> >
> > Maybe I'll think about another kind of treads but I'll finish up the other parts
> > first
>
> You might find that spreading the hinge plates wider on the tread shoes will
> help. Having them near the centre increases the "twisting" effect if there are
> forces near the edge of the shoes. Also, having 3 per shoe instead of 2 may help
> - mine don't break apart very often now, mostly only when trying to turn (move
> one tread faster than the other).
Perhaps switching to 2x plates instead of 4x for the tread surfaces would help -
this would help to smooth the curve around the wheels, at the cost of almost
doubling the number of hinges you would need to add.
Otherwise, love this MOC. Great follow-through on your initial inspiration.
-nk
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In lugnet.robotics, Nick Kappatos wrote:
> In lugnet.robotics, Ross Crawford wrote:
> > In lugnet.robotics, Stefan Naepflin wrote:
> > > In lugnet.robotics, Ross Crawford wrote:
> > > >
> > > > One question I have, how smoothly does it move on those treads? I found my crane
> > > > was pretty jerky when it moved.
> > >
> > > Thank you for your feedback and for adding my post to .technic.
> > >
> > > Yes it's true, moving is pretty jerky and because of the huge overall weight the
> > > treads will broke up .relatively often.
> > >
> > > Maybe I'll think about another kind of treads but I'll finish up the other parts
> > > first
> >
> > You might find that spreading the hinge plates wider on the tread shoes will
> > help. Having them near the centre increases the "twisting" effect if there are
> > forces near the edge of the shoes. Also, having 3 per shoe instead of 2 may help
--snip--
good idea,I have a lot of hinge plates in my depot. So I will give a try.
--------
> > - mine don't break apart very often now, mostly only when trying to turn (move
> > one tread faster than the other).
>
> Perhaps switching to 2x plates instead of 4x for the tread surfaces would help -
> this would help to smooth the curve around the wheels, at the cost of almost
> doubling the number of hinges you would need to add.
-- snip --
Yes the 4x plates are really "stressed" turning around the wheels.
I think the combination of both, smaller plates and re-arangeing the hinge
plates will result in a mutch stronger and more flexibel tread.
-----------
>
> Otherwise, love this MOC. Great follow-through on your initial inspiration.
Thanks a lot. Since I saw J5 in the movie the first time (and this is many years
ago..) I wanted to build a copy of him.
> -nk
Steven
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