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I bought the Gas Powered Kyosho Readyset radio controlled car with the Ford Focus WRC bodyshell about 7 months ago. As it’s a GP (Gas Powered) otherwise known as Nitro car it has an engine and runs on a special petrol/oil 2-stroke fuel mix you can get from any good radio control shop. This was my first real Radio Controlled car and because of this most radio controlled car shops strongly advised me against GP and said I should start off with an electrical car. The reason I went against all this advise is because one of the main reasons for getting the car was the mechanical aspect of 'tinkering' with the car and tuning it. Within a month of buying it I could see exactly way I was advised against it! The problem is getting the engine to run well and consistently you need to tune it for good performance and yet make sure it doesn't stall. To explain this better I will explain exactly what makes up a GP radio controlled car. You have the basic chassis, which holds the wheels and their axles. Within this you have the differentials driving the front and rear wheels all connected via a central drive shaft. This is powered by the engine components which consists of the single cylinder 2-stoke engine (mines a 0.12 cc) with a pull cord starter, this has an exhaust that pipes the exhaust fumes under the car and a connection to the fuel tank to keep it pressurized. This fuel tank then pipes fuel up to the carburetor, which mixes it with air from the air filter and pipes it to the engine. This then turns a driveshaft that connects to an automatic clutch, which in turn connects to the main drive shaft via a cog. There is then a couple of electric servos which are controlled by the radio signals to either move the accelerator/brake shaft or steer the front wheels. The most part of the tuning comes from the carburetor as this is where you adjust the amount of air that mixes with the fuel to make the engine run richer or lea
ner. The more air you mix in the faster the car will go, to a point anyway, however with too little fuel/oil getting to the cylinder the engine will overheat causing it to stall and eventually permanently damage the engine. This is the frustrating thing about the car and yet bizarrely one of its biggest attractions. Anyone can plug a battery in and get the car to work but it takes patients and a bit of understanding to get he fuel cars running well. When you do however master this tuning and you get the car running sweet its so rewarding, plus you get the added benefit off the engine noise. Its this noise that makes crowds form when you're playing with the car, and makes it feel like less of a toy and more of a hobby. I can heartily recommend this car to anyone interested in starting with GP cars as it is one of few that comes completely pre built and ready to go. Just remember that it needs to be run in for the first 5-6 runs and although there'll be times you get so frustrated you just want to throw it away stick with it cause you will get the hang of it and that’s when the fun begins.