"Joshua Goldberg" wrote in message
...
we are looking at leaving Toronto July 01, there is another tadpole coming
with us a chap doing a trans-Canada crossing. We are cheating, we are
using a DC Motor to supplement the pedals.

Without some (or all) of

a) external power
b) solar panels
c) regenerative braking

you will have a net loss carrying a motor and battery.

Electrically assisted cycling is only less work when

a) you can charge the battery from an external source
b) you use the battery a high percentage of the time you are riding - which
means
c) you are not going very far between charges