PlanetZ forums - scopeusers.com

Hopefully you can get this link before it disappears.

Some brilliant stuff in this. I found it fascinating.
It gets really good about half way down the page re how long it'll take voyager to approach another star

http://www.bbc.co.uk/news/science-environment-24026153

Click on the link too - about how long it would take you in your car:

http://www.bbc.co.uk/news/science-environment-21937524

Enjoy

That would be impossible in a car..there's no fuel stations

I tried it on my mountain bike at 12 mph - soon ran out of breath though

mind blowing...