Monday, 24-11-2003

Tried making an X piece for the Lego Pneumatics...
2 short lengths, each with a notch cut into the side, laid crossways and glued...
the joint didn't hold...
...have now used a different glue (modelling type) and waiting for the glue to set fully.

I've re-arranged the neck pistons, and using the T piece and Lego one way air brick the head movement has been tested... everything's OK so far.

Click on a piccy to open in new window.

The head needs some thought, as do the joints that hold the neck pistons to the head...
...I want to try and mount at least one motor in the head to move the eyelids/eyebrows, and possibly a second to move the head and eyes.

J5's lip lights are going to be a couple of Lego Light n Sound light bricks behind coloured see thru 1x1 plates. The light bricks will be hooked up to an RCX...
... along with the motors for the head parts, that's 1 RCX to be built in...

Other motor and sensor requirements;
Motor to run air compressor for the pneumatics...
...sensor for air resevoir to be a sprung air piston attached to the switch for the motor.
1 or maybe 2 motors for each of the tracks.
a motor in each side to rotate the tracks...
...Mindstorms rotation sensors to measure the position of each track, body position and arm position...5 in all

I've guesstimated that J5 will be around 2ft tall...
...motor powered shoulders and air powered arms

The video still doesn't work and now the tape is stuck :(

The polystyrene glue I tried on the X piece failed, and contact adhesive didn't work either :(

I'm off to the Hobby Stores shop in town tomorrow to see what materials they've got for making up junctions for J5's air systems.

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This page is part a diary of the design and build of my Lego Mindstorms robot J5 (based on Johnny Five from the film short Circuit.
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