K'Nex Propellor Buggy


This one is a bit of a cheat, really. It doesn't use a "proper" fan - it's an K'Nex Prop Buggy experimental home-made fan consisting of a model aeroplane propeller on the shaft of a small motor which is stuck on top of a 4.5 volt battery box with a switch. The motor and the battery box were from Tech-Supplies (sources page) and the prop was from a local model shop.

The buggy itself is K'Nex, and although it looks a lot like the K'Nex Fan Buggy it is actually quite a bit larger.

This one is fast! The propeller can hurt little fingers, so some care is needed.

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