Close inspection of the photographs may detect some Steel Tec , Gilbert Erector and even Marklin parts being used. I am not a purist.

Site by David Lawrence
- South Carolina


Project title .............. Four legged robot

This site is being prepared while the project is under way. I have no way of knowing if the concept will work! ........It is therefor my first 'reality site'.

Stage 5

 ALTERATION CARRIED OUT SINCE STAGE 4

The centre of gravity shift platform previously on the top with its pivoted lever actuation system has been removed and a vertical weight carrying trolley has been built on the rear face of the unit. Drive to this is via a centrally positioned MO motor with worm output , flexible coupling to a short belt drive crossing to a long threaded rod from which the trolley is linked by a coupling.


 

 

 

 

This photograph shows a close-up of the new drive to the weight trolley - now positioned virtically on the back face.

Note the centrally positioned MO motor with worm output pointing upwards, to a pinion mounted tri-shaft and flexible coupling (Bush Wheels), Then to a short belt drive crossing to a long threaded rod from which the trolley is linked by a coupling.


 

 

 

 

This photograph shows a horizontal view of the new weight shifting trolley running along as 25-hole angle girder on which 2 x 1/2" pulleys roll and guided at the top by a single 1" pulley beteen 2 x 25-hole angle girders, clearly seen in the photo above.


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