Dynamic Carts & Spark Timer Combo

This combo bundle includes a pair of The rugged construction of the Dynamic Cart, with the quality ball bearing wheels, offers you minimum friction and excellent linearity of motion for many years.

These carts cannot be damaged by excessive force due to the design. When pressure is applied from the top, the cart will automatically lower itself, forcing the wheels inside the unit.

The Spark Timer offers high performance in a compact design. This versatile instrument works well in a vertical position for the Falling Bodies Experiments.

The recording needle is immediately raised when the timer is turned off to allow easy insertion or removal of the tape. Two settings (10 and 60Hz) allow for clear printed results, even for relatively slow moving dynamic carts.

The needle pressure is adjustable for increased accuracy. The blinking LED and sound signal indicates that the timer is "ON". A rubber padded clamp and one roll of spark tape are included.