In1940 the following specifications were noted by Gus Simpson for the early
ski tow using a 1929 Model 58 Buick (car engine) motor.
Speed of motor 2800 RPM (sae) 31.54 HP
High gear = direct
2nd Gear = 1.858 to 1 ratio to drive shaft
In high drive shaft turns 2800 RPM
In second drive shaft turns 1507 RPM
At 3 to 1 counter shaft turns 502 RPM
At 3 to 1 30” sheave turns 167 RPM or 14.9 MPH
Actual ratio of Buick drive reduction:
Silent Linkbelt chain 19 T to 60 T (teeth) = 3.16 ratio
Roller Linkbelt chain 16 T to 45 T = 2.81
Total drive reduction ration = 8.779 to 1
At about 15 miles per hour the ride to the top was fast.
Later tows ran slightly slower running between 9 and 12 mph.