A space invention
Let us use some of the analytical inventing from
Chapter 1 whilst keeping in mind the basic principles of inventing with matter,
space and shape.
An aeroplane has wheels and tyres. What is the purpose of
the tyre? When the aeroplane is taking off you want grip, but not much, to
steer it at low speeds. After a certain speed the engines will send you where
they want to send you.
When the plane is landing, then much more grip is needed to
help slow down the aeroplane from very high air-speeds. So, I want low grip for
take off and high grip for landing. I can use an ABS system for landing but
this may add weight. Can I get grip with little or no extra weight?
The next level of questioning is ‘Why does the tyre grip the
runway?’ Well, it depends in part on the contact between the tyre molecules and
the runway surface. This is affected by how much tyre is touching the
runway. So maybe I can have a lot of contact on landing and little on take off.
How can I change how much tyre touches the runway? By
changing the shape of the tyre. How can I change the shape of the tyre? By
changing the pressure in the tyre or through squeezing of the tyre, maybe with