The 500 watt motor did not have enough torque to push the cart through the grass. It also struggled going up slight hills. This was with a 40-50 lb rider. With the jack shaft it will motor me through the grass (220 lbs) and now I have traction issues. I need to get some more aggressive tread on the rear tires. With the small kids riding it it's almost geared too low I'll likely go up a little in tire size on the rear when I upgrade the tread to something more aggressive than the sawtooth tires on there.
I did one wheel drive for simplicity/cost.
My niece had a blast in it on Father's Day.
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