Be careful….

by | Aug 14, 2014 | Engineering

Getting the base right is quite a balancing act, you want to keep it compact and quite low but too compact and too low and you run the risk of the sphere over balancing and coming off the base. This can NEVER happen. This is bad!! The problem could be that people over...

Possible manufacturing gold!

by | Aug 10, 2014 | Engineering, Pictures

I found a place that specialises in producing hemispheres up to SEVEN meters across!! I think they should be able to handle my puny requirements… Now with a little luck they’ll have an appropriate sized tool already which will save me a fortune, we might...

Belt pulley ideas

by | Aug 9, 2014 | Engineering, Pictures

Depending on the thickness of the belt we only need a little space between them in the center of the base so they don’t touch each other. This looks like it should work ok but I really prefer the simplicity of the mecanum wheels :p Ignore the pulley biting into...