Glooders - and a maths investigation

A glooder is a glider made with two rings of card and a drinking straw. The rings are made by taping a thin rectangle into a cylinder and leaving a small gap into which a straw is glued. There is one ring at either end of the straw.


The rings should be 3cm wide for the smaller ring and 4cm wide for the larger ring, but we would like you to suggest a suitable ring diameter for the front and back rings.


Should you launch the glooder with the smaller ring at the front or at the back?

How large should the ring diameters be for best flight results?

Can you think of a better name for this amazing flying machine?