Camber Camber is the angle of the wheel relative to vertical, as viewed from the front or the rear of the car. It’s less safe than understeer, because it can be the prelude to a spin, and suddenly lifting off the power (which is a natural reaction) can actually cause the spin as they tires “bite.” Cars like the Porsche 911, where the weight is all behind the back axle are prone to this. Rear wheel drive cars are much more prone to this. It’s inherently quite safe, as the speed is scrubbed off, and as long as there’s enough road, the tires will eventually grip and turn the car the way you want! Oversteer This happens when the back end of the car slides away from the direction of the turn. Most modern cars are front wheel drive and they tend to understeer. You can feel the tires scrubbing against the tarmac. Understeer happens when the front of a car tends to go straight on when you turn the wheel into a corner. Unlike a car the rear wheels do not have a differential but are locked together and always spin at the same speed, this requires some cleaver engineering to make the inside rear wheel lift of the ground when turning and allowing the front of the kart to turn in. If you don't get it right you Kart will not turn but plough straight ahead. Getting the steering geometry correct on your Kart is one of the most important consideration when designing the frame.
Axel (You can find these second hand on eBay for about $50 or new for $150 - $200).I recently bought a number of parts from cut price racing, they have almost everything you will need and their service was excellent.lots of 6mm and 8mm nuts and bolts Parts you will need: (Screen shot are includes as the ebay links can go dead) Materials you will need: 25 or 30mm Square Steel Aluminum Sheet 1.6mm thick 19mm and 25mm Steel Tubing 25mm solid 30mm bright solid (If you want to make your rear axle) 13mm tube or pipe. The first thing you need to do is to gather all the parts, as it makes it much easier to design if you can lay out all the parts where they will be on the kart and kind of "join the dots".
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