Are Fans Pneumatic Devices?

[martin417]

Originally Posted by techhelpbb

In 2007 they had these:



Also it's possible to convert linear motion to rotary.
So one could convert those linear cylinder movements to rotary movement.
Anyone see a rule to prohibit converting linear cylinder movement to rotary?

I don't think there is any rule prohibiting such a device, but the fan in question has an air powered vane motor, a true pneumatic device in its own right, and not on the list of allowed pneumatic devices.