The jack rabbit starts with Williams parallel wiring are the result of highly efficient can motors getting hit with the initial starting voltage of about 8 volts from "regular" Lionel 3 rail transformers such as ZW's, LW's, etc.
There's no jack rabbit problem with MTH or modern Lionel transformers because they are made to work with can motors and actually start at 0 volts and work their way up from there.
Fred
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