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Step 2The steering
A simple lever steering system was chosen as i did not want the kids to have a "spear" pointed at their chest when they drove the car. As it turned out this was simple to get used to especially by drivers who have not yet driven cars and so have not preconceived ideas of how it should be.
The front wheels have a simple bent 2 mm mild steel king pin arrangement with a 19 mm bolt though for the king pin. With plenty of grease this works well. the steering rods have trackrod ends easily available from bearing suppliers to allow a certain amount of give in the system so no complicated alignment was required just set the wheels straight ahead.
We decided not to apply any toe in or wheel camber. the wheels are a 12.5 inch by 2.25 inch wheel chair wheel. Again, aluminium for lightness and ease of obtaining new tires.
The front wheels have a simple bent 2 mm mild steel king pin arrangement with a 19 mm bolt though for the king pin. With plenty of grease this works well. the steering rods have trackrod ends easily available from bearing suppliers to allow a certain amount of give in the system so no complicated alignment was required just set the wheels straight ahead.
We decided not to apply any toe in or wheel camber. the wheels are a 12.5 inch by 2.25 inch wheel chair wheel. Again, aluminium for lightness and ease of obtaining new tires.
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You have to understand the rules. The drive must be able to exit the car in under 6 seconds - a wheel gets in the way and to make it removable as in F1 is just too complicated. This isn't intended to be a raod car but has been built for a precise purpose.
As to having poor drivers in the UK I see in the current Formula 1 line up drivers from the UK - Australia, Germany Scandinavia in fact all over Europe and south America but No North American drivers have driven since 1993 and ever won the drivers championship.
Perhaps your driving experience is more suited for driving round simple oval circuits?
it's easy to be critical when you don't have the full picture!
A easy way to make a quick disconnect steering wheel is to use a socket wrench extension and a socket with a nut welded into it that is bolted to a steering wheel.
Use air socket wrench parts as they are better built for this purpose.
You can also use impact wrench extensions and the universal joints on them with small gas and electric motors if you have to mount a motor offset.