Quote:
Originally Posted by skyl4rk
You don't need to drive that close to trucks to get drafting benefits. A reasonable distance behind them can help you quite a bit.
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I've experimented a bit with slowly closing in on trucks, and needed to be rather close for it to really show - too close for comfort to me, so I'd rather not do this for extended periods.
There's also a difference between trucks & trailers.
Big box-shaped trailers are good to draft.
With tanker-trailers the effects are less impressive.
Drafting low trailers (flatbeds without load ; equipment carriers with ramps), the benefits are small.
The best to draft are busses.
They'll do 100kph (62mph) instead of 90kph (56mph) in Europe, are very squarish, and their box shape comes down really low compared to trucks.
But bus drivers especially don't want you to draft them and will often change speed.