. Scientific American Volume 92 Number 04 (January 1905) . A BOYS HOME-MADE BUCKBOARD. SECTIONAL VIEW OF THE THOR MOTOR AS USED ON A BICYCLE. post which screws into its head. It drives the rearwheel through a chain and an ingenious cushionsprocket having a diamond-shaped groove in which abrass ring of the same cross section is clamped be-tween the driving and driven parts. This, and themethod of confining the wiring to the motor, and thusdispensing with running the wires through the handle-bar, are the main features of the Thor motor bicycle attachment consists of an extensible axl
. Scientific American Volume 92 Number 04 (January 1905) . A BOYS HOME-MADE BUCKBOARD. SECTIONAL VIEW OF THE THOR MOTOR AS USED ON A BICYCLE. post which screws into its head. It drives the rearwheel through a chain and an ingenious cushionsprocket having a diamond-shaped groove in which abrass ring of the same cross section is clamped be-tween the driving and driven parts. This, and themethod of confining the wiring to the motor, and thusdispensing with running the wires through the handle-bar, are the main features of the Thor motor bicycle attachment consists of an extensible axleattached to the axle of the rear wheel, and a curvedtube extending from the end of this axle to the steer-ing fork, where it is firmly attached. A wide seat ismounted upon this side carriage. It is so constructedthat it can be quickly convertedinto a box for packages. The sidecarriage can be quickly removedwhen not needed. The attachmentforms one of the neatest solutionsof the small automobile problemthat has yet been made. The motorbicycle has ample po
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