Quote:
Originally Posted by COcyclist
Daq, If I understand it correctly, the "phantom body" would be similar to the idea of pick-ups having less drag with the tailgate up. It's not as perfect as an aerocap or full boattail but you still get some of the benefit. With the tailgate up, you have a captured bubble of air that the slipstream slides over.
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That tecnique is used on theese trains.
The rubber front capture a big bubble of air, and reduces resistance, and it's actually areodynamicly not that bad, as it actually has an invisible rounded nose made of air.
http://funini.com/train/denmark/imgs/ic3.jpg