Fluids > Fluid Dynamics > Magnus Effect

DCS# 2C20.80

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FLETTNER SHIP MODEL

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APPARATUS

Flettner ship model	202-16-A
string	202-02-C3
hose to air supply	201A

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DESCRIPTION

This shows the transverse force on a rotating cylinder in a moving air stream.  Pull the string to spin the cylinder about a vertical axis.  Use the air track air supply to direct a stream of air from the side.  The cart will move forward.

REFERENCES

 

VMI F-265;

Sutton M-300;

Meiners 17-2.4.

See http://www.idra.unige.it/~irro/cilindro_e.html for animations showing airflow, pressure, forces on spinning cylinder in airstream.
Tom Greenslade's website includes info about Flettner rotorships:
http://physics.kenyon.edu/EarlyApparatus/Miscellaneous/Rotor_Ship/Rotor_Ship.html