Fig. 149.—Standard for the Ferris Wheel.
The Clockwork Motor for the Ferris wheel is fastened to the cover of a cigar box just as that for the merry-go-round was fastened ([Fig. 139]), but the length of the box is cut down as much as the clockwork will allow to make the box as square and compact as possible.
It is very necessary to have the axle bearings exactly on a line in order to have the wheel run smoothly, so, in fastening the cigar box to its support, be sure that the center of the hole in spool D ([Fig. 139]) is on a level with the spool hub on the opposite support. Nail the supports to a 10-inch by 12-inch board, 8 inches apart, and fasten a cigar box between them for
The Station Platform ([Fig. 149]).
Fig. 150.—Make Two Supports like this for the Ferris Wheel Standard.
Figs. 151 and 152.—How a Spool is Fastened to the Top of the Support for a Hub.
To Make the Wheel, first lay out the rims upon a piece of heavy cardboard, using the radii shown in [Fig. 153] for describing the circles, then lay the sheet of cardboard upon a board and