Half a croissant, on a plate, with a sign in front of it saying '50c'
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Squirrel Cage Waterslide

High fun/area ratio.
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Short cylinder, turned so that the axis is horizontal. 1/8 filled with water. Axis is geared such that the cylinder turns several ("several" quantity to be determined by testing) times for each foot of drop (see related idea). Fun-seeker climbs into device, and the device is released. It begins to turn and achives a significant angular velocity while the swim trunked individual is coasting along on a wave of water inside.

(added later) The cylinder is clear, and begins several hundred feet in the air. Both rate of falling and angular velocity increases as it falls, ending with a splash in a pool below. The spinning drum sprays water from the pool on those waiting in line, and also serves to stop the drum from spinning.

(completely plundered from [FJ]'s Going up in a Squirrel Cage)

Worldgineer, Sep 22 2003

(?) Like this... http://www.geocitie...e/squirrelcage.html
only without the stairs, with a swim suit, with water, and going down. [Worldgineer, Oct 04 2004, last modified Oct 21 2004]

Roller Surfer http://www.halfbake...dea/Roller_20Surfer
FJ beat you to it. [waugsqueke, Oct 04 2004, last modified Oct 05 2004]

(?) Squirrel Cage Waterslide http://www.geocitie...B/squirrelcage.html
[FJ], let me know if you object to my blatant image theft. [Worldgineer, Oct 04 2004, last modified Oct 21 2004]

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       [FJ] must really inspire me. Anyway, I think this is significantly different than the Roller Surfer. If others disagree let me know. Either way, thanks for reminding me of it [waugs], I enjoyed that idea.
Worldgineer, Sep 22 2003
  

       Now if you put a fish in there to see if it could raise the cylinder by swimming towards the right...
FarmerJohn, Sep 22 2003
  

       Not to be a pain, World... but it could be argued that the only difference in design is the shape of the 'slide'. Where you use the inside of a cylinder, FJ uses an inverted funnel sort of affair. Which is really just a flanged-out cylinder, if you think about it.
waugsqueke, Sep 22 2003
  

       Is a rotating cylinder topologically equivalent to a precessing cone?
AO, Sep 22 2003
  

       [waugs] no pain felt. There's also the slowly falling thing, which I was imagining as a feature. See new details in description.   

       [AO] no.
Worldgineer, Sep 22 2003
  
      
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