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
>> 
> 

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