dinsdag 4 maart 2014


To make the wheels more adhesive, we put sandpaper on it. If we launch the ball now, the difference is quite big. The ball goes further but tennisball gets affected by launching it with sandpaper, as you can see on the picture.


Expected positive feedback:
The wheels have more effect on the ball.

Unexpected positive feedback:
The ball goes further then we thought he would.

Expected negative feedback:

Unexpected negative feedback:
The ball gets affected by the sandpaper.

Makeability score: 2

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