Set Screw Hub - 1/2" Bore $100-$250  The control system is

  The control system is encapsulated in a NEMA 3R enclosure and includes movement buttons

and a mobile power supply

The EPL-HB-150LED-RT-JB3 offers several mounting options including ceiling mounting

offshore oil rigs

Mounting: Pole Top Slip Fit

Set Screw Hub - 1/2" Bore $100-$250  The control system isSet screw hubs offer a cheap way to attach hub mount gears or wheels to a shaft. The hub offers 4 equally spaced 6 32 tapped holes utilizing the 0. 77" hub pattern and is precision machined from 6061 T6 aluminum. The set screw is 10 32 and uses a 3 32 hex key. This hub has a 1 2" bore. [Actobotics](https: www. sparkfun. com pages Actobotics) is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball