Did you watch the video and listen to the commentary closely? Harry
Michel Jullian wrote: > ??? Look, this tubular lifter has nothing special, it just has a loose skirt > moving under internal forces. Think of the paddle wheel having a loose axle. > The axle will jump forward, trying to leave the boat behind, when you engage > the clutch in "forward gear", and then will stay there as long as the boat > pushes on its paddles. Very much the same, very prosaic. > > Michel > > ----- Original Message ----- > From: "Harry Veeder" <[EMAIL PROTECTED]> > To: <vortex-l@eskimo.com> > Sent: Friday, February 23, 2007 7:56 PM > Subject: Re: [Vo]: Lifters > > >> >>> Michel Jullian wrote: >> >>>> Harry Veeder wrote: >>>>> However, concerning the tubular lifter, I would argue that the >>>>> elevated tube when the lifter is _accelerating upwards is evidence that >>>>> the >>>>> _internal forces_ don't add up to zero. >>>> >>>> The elevated tube is merely a "deformation" due to internal forces. >> >> >> I think it means the weight of the elevated tube has essentially >> disappeared (although the tube's inertia remains unchanged). >> In other words, the lifter's ascending weight is less than >> its stationary weight. >> >> Harry >> >