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Subject: 
Re: 4x4 'bots (was Re: Misc. Lego parts)
Newsgroups: 
lugnet.robotics
Date: 
Sun, 22 Nov 1998 00:14:08 GMT
Viewed: 
2305 times
  
L. M. Lloyd wrote:

Nancy Evelyn Gold wrote:

The front half of my latest creation is on a test gig. Steering without
a servo motor is a pain. My kludge mostly works. I'm trying to use
the optical sensor to detect when the wheels are straight.

I have been debating whether to use an angle sensor, or fiber optics and
the light sensor to track my steering. I would love to hear what other
methods people are using.

I just thought of an idea for making a servo for steering... I'm not 100% sure
this will work, as I don't have an angle sensor, but here you go:

You'll need a fixed width font:


      |   <--- drive axel
+-------+
|o o o o| <--- 1x4 technic beam
+-------+
[|||]|||] <--- gears
[_]  |
+---+ |
|o o|<-------- Micromotor
|o o| |
+---+ |
+---+ |
+---+---+
|o o o o| <--- Angle Sensor
|o o o o|
+-------+

Top View


+n-n-n-n-n-n-n-n-n-n+   <--- Plates to hold everything together
+-----------+-----+-+
+---+++-+---+   ||+-+
|   |===========||| |== <--- Drive axel
|   ||| |   |   ||| |
+---+++-+---+-----+-+
+-------------------+   <--- Plates to hold everythign togehter

Side View


Note that just behind the Micromotor there is a space of 4 plates which equal 2
stud width... Two of those plates are the motor lead brick, and the other 2 are
spacers so that the plates on top & bottom that will hold everything together
will fit.

Like I said.  I don't know If this will work, but if nobody understands what I
mean here, I'll try to LDraw it, if somebody emails me.

--Karim



Message is in Reply To:
  Re: 4x4 'bots (was Re: Misc. Lego parts)
 
(...) If your working on your own 4x4 designs I wound definitely take a look at the 8880 Super Car instructions you can find them at: (URL) instructions have a lot of really neat and efficient ways to do things. Unfortunately some of the neatest (...) (26 years ago, 21-Nov-98, to lugnet.robotics)

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