The purpose of this device was to crawl along the insides of precision manufactured tubes with the ability to build a map of the inside via a super high precision distance sensing laser and a high powered microscope.
Early sketches mapping out the drive mechanism.
1st stage drive development cross section showing drive belts and central drive shaft.
Cut away showing drive mechanism in situ.
Single traction wheel on it's drive arm.
Finished drive assembly.
Drive assembly with the motor and drive shaft removed for access.
Drive unit being assembled.
The business end showing rotating laser and microscope mount, microscope removed.