Hi  Just wondering if someone could help. We bought my son a mini pro for his birthday and seeing how good the go kart attachment for it looks but not liking the price of $900 here in Australia, I decided to try to make one. I haven't quite finished it yet and haven't made an accelerator or brake yet but wanted to test the steering so I sat on it and steered with one hand and used the other to pivot the hinged mounting plate up and down to go forward or backwards. I know this is d