Joerg wrote:

Yes, it will increase the speed but it'll be
miniscule. By reducing the ratcheting effect
a tiny bit, not by propelling.

OK, so it doesn't! Why not?

But don't be stressed to answer, it is time to
drink a couple of beers and ride a bike...

Thanks for your answers!

--
underground experts united
http://user.it.uu.se/~embe8573