Whenever necessary | |
When driving on a grade | |
When the road is slippery | |
Never |
The trailers will decouple | |
It will collapse | |
The dolly tow bar will flip up | |
Nothing |
The longer the trailers you`re pulling the larger the effect | |
The more trailers you`re pulling the larger the effect | |
The rearmost trailer is the most affected | |
Another name for rearward amplification is the crack-the-whip effect |