Rebuilt Evolution 3200 (now Lawnbott) -- the design flaw

Help & Support Domestic Robots
1

Last year my trusty 3200 got the factory rebuild – new chassis, wheels and so forth. And the batteries were also replaced as they were getting tired. Not bad for five years of faithful grass cutting.

The new wheels are knobby and replaced the old ridged stock wheels to which has been added the spiked overlays. Not so good. Now that Spring is crawling out and the robot is off trimming the new growth, the new chassis/wheel design is showing its flaws. Like most rural lawns ours is quite irregular. It just looks flat but as the robot bounces along it is obvious that smooth it is not. What happens is that when the robot tracks into a dip the handle support flange digs into the ground. Since the wheels are pretty smooth they slip and dig into the soft ground. And it spins there until the blade hits the ground or I come along and push it free. Not exactly autonomous cutting. When it is cutting the front lawn constant supervision is required to get the job done. A bad design at its finest. The prior solution was much better.

2

Hi glatiak,

We’ve also answered the email you sent us through the Support Center.

The manufacturer Zucchetti changed the design of their wheels in the past few years, and so the new rubber wheels you received no longer accept the old spiked wheels that your robot had.

The upgraded chassis is more or less the same as the old style, just modified slightly to accept the larger motors that were installed during the upgrade. It isn’t likely the chassis is part of the problem your robot is having.

The spiked wheels are not provided as part of the upgrade kit from the manufacturer. In your case you would need to purchase new spiked wheels, which should work fine with the new rubber wheels installed on your robot when it was upgraded. This should solve the traction issue. You can find them here.

Please let us know if you have any questions.

Thanks,