Nonetheless, the success of the sonic washer was short-lived. For one thing, there was an undesirable side effect when it was used: a loud, unpleasant hum. Since the washing tub that many homemakers used was also the bathtub, the humming noise was carried along the pipes, causing considera...
Setting off in turbo mode on steeper or gnarlier ascents can be trickier, with the motor trying to provide a lot of assistance very quickly. If you’re not careful with how hard you pedal, or if you’re not ready for the assistance to start, it’s possible to wheelspin, making contro...