Is there any sensation of 'fighting' the motor if the battery is flat? ie if I were to ride the bike until the battery is flat and need to get home under pedal power only, would I be fighting a lot of drag on the Panasonic motor, do you know?
Less drag than any other electric bike ever made, almost none, and that's the main reason for the Panasonic system's popularity, the bike riding just like an ordinary bike.
That's why they alone have an off switch on the handlebar, which is usable at any time. I always rode my lafree switched off until the first hill, and as the Kalkhoff test showed, I did the same during that.
As A to B magazine said of the Lafree, with the battery out, it is an ordinary bike.
Here's two relevant passages from my review:
"Early in the day I'd ridden the Kent Gate Way cyclepath again, with still air through being well protected from the wind that was experienced high on the Downs later, some of this a minutely negative incline of between 0.9 and 1.2%, and found the bike rolling so freely that I stopped pedalling, the bike then rolling along at 17 mph for well over half a mile before the incline was lost. That's the best free rolling I've ever known over the years round here."
"With those more average route conditions, I never used high power mode and took advantage of the bike's low roll resistance by riding without power when it was easy. The longest such section without power was 3.6 miles in urban conditions, often slowing right down for junctions and roundabouts, and peaking at over 18 mph at times, the average over that stretch being 12.1 mph. In a rural area without so many intersections that would easily have been at least 13.5 mph average unpowered. For one brief period over half a mile I tried Eco mode, but otherwise the whole ride was on standard mode or switched off."
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