The reflector elevation wheel is designed to be installed on the alidade hollow to simplify the process. As the elevation wheel also acts as a counterweight for the shaped surface reflector, it is necessary to fill it with concrete following installation to balance the mass of the reflector.
The reflector elevation wheel is designed to be installed on the alidade hollow to simplify the process. As the elevation wheel also acts as a counterweight for the shaped surface reflector, it is necessary to fill it with concrete following installation to balance the mass of the reflector.