Part 27 Starting the bikes at -18°F/-28°C

At temperatures below -4°F/-20°C an ordinary battery doesn’t do the job anymore. Therefore the extra Odyssey batteries (which were indispensable) were connected to the electric circuit. Besides the 0.126in/3,2mm spikes, spikes of 0.3in/7,5mm are screwed in because of a thick layer of snow on the Alaska Highway.