The wheel axle, which hangs on two chains, is pulled down by springs...Demonstration of a static unbalance: wheels hop. This can be adjusted by putting on a counterweight. Demonstration of a dynamic unbalance: wheels flutter. This can be adjusted by changing weights to the correct side.
| Manufacturer: | HAKO |
| Category: | Brakes and Chassis |
| Item number: | 79001011 |