If you want to use a belt tensioner style clutch, simply buy 2 of the same size pulleys (i suggest at least 4" for minimum belt slip), install one on your RAGB, and the other one your engine, make sure they line up, now you will need to make sure tensioner, again this is up to you, the basic parts you will need are an idler pulley, some steel, and a very strong spring. No matter what you choose you should put your smaller sprocket on the output of the RAGB and your larger sprocket on your axle. Now you need to decide on what gear ratio you want, which depends on tire size, engine RPM, and engine Hp and torque ratings.
If you are using a Torque converter, simply install the driver on your crankshaft and your driven on the RAGB input shaft, If you have your torque converter already when you are buying your RAGB or vice versa, make sure you match your driven pulley to the RAGB's input shaft. From here on its pretty straight forward, you will have to decide what gear ratio you want, and what type of clutch you are going to use (torque converter, Centrifugal, Belt Tensioner). If you are planning on using a torque converter MAKE SURE you mount your RAGB the proper distance from the crankshaft, the right distance depends on which torque converter your using. You should then mount your RAGB onto your frame, with the input shaft Parallel to your engines crankshaft, and the output Parallel to your rear axle. The first step for setting up a RAGB would be to mount your motor, with room either in front or in back of it for your RAGB. They can be found fairly cheap on ebay, often for under $100. An RAGB is just a simple 90* gearbox, which normally consists of two bevel gears. There are 3 common ways to make a vertical shaft engine work for a go kart type vehicle using a Right angle gear box (RAGB), using a lawnmower trans axle, and modifying the engine itself to run in a horizontal position.Ī RAGB is one of the less complicated ways of using a vertical shaft engine in a go kart it requires no modification of anything except for your frame. I'm sure you have also noticed, a vertical shaft engine is not a "Plug 'n' Play" type of engine, it takes time, and some fabrication skills to make it work. When it comes to finding an engine, I'm sure many of you have noticed its much easier to get a cheap vertical shaft engine, than a cheap horizontal shaft.
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