You can certainly rig a motor to move the steering rod, but the hard
part is getting it to move proportionally with the joystick and, more
importantly, return to center when you let go of the joystick. That's
what the jumbo servo circuit did, but it was old technology and they
apparently haven't upgraded the design.
One of the things on my "electronics to-do list" is to design such a
circuit using modern parts. But, since tank-style steering for wheeled
vehicles is a simpler, cheaper and more reliable solution, I don't think
it will ever rise to the top of my list.
My advice: Give simple on-off steering a chance before spending time on
something more complicated. Even if you've already built the steering
linkages, just bolt them in place and steer using the motors. If you
want to add real steering later, un-bold the linkages and install a
steering motor.
Frank P.
On 5/24/2011 5:36 PM, mike wrote:
Any suggestions on were to look now? Or could I rig up a electric
motor to turn it? WIll it have enough power?
On May 24, 2:29 pm, Frank Pittelli<frank.pitte...@gmail.com> wrote:
Sorry, the search term is "jumbo servo". Unfortunately, it looks like
Oatley no longer sells that kit.
Frank P.
On 5/24/2011 4:48 PM, mike wrote:
What is it called/ what do I look up on the site Oatley to find the
servo?
On May 24, 6:27 am, Frank Pittelli<frank.pitte...@gmail.com> wrote:
The only practical solution for actually steering a car involves the use
of a strong servo/motor combination, a so-called "jumbo servo", that
returns to center when you let go of the joystick. You can find at least
one commercial kit to build the electronics from Oatley. There are also
a number of articles on the Internet that explain how to re-purpose a
standard servo to drive a large motor.
Frank P.
On 5/23/2011 8:51 PM, mike wrote:
Greetings, I am building a 3 foot armored car. I have the steering set
up like the real one had.
My big problem is that I dont know what servo/ electric motor to use
to steer this beast. Probely going to weigh around 100 pounds. What is
the best way to steer this? Meaning what servo/ electric motor would
be strong enough to steer the 100 pound car.
(I will also drive around the 22 acrea yard, So I need all the power I
can get.
Thanks for your time.- Hide quoted text -
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