STATEMENT OF COPYRIGHT, OWNERSHIP AND REPRODUCTION

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2 drifttrikebuildplans.com DRIFT TRIKE BUILD PLANS STATEMENT OF COPYRIGHT, OWNERSHIP AND REPRODUCTION This set of trike plans has been designed, developed and produced by DRIFT TRIKE BUILD PLANS for the home builder to make their own quality drift trike. This set of plans has NOT been produced for any individual, individuals or business to make financial and/or commercial gain in either reproducing the plans, components or complete vehicles. All rights reserved, the drawings and designs with in this set of plans as individual parts, sub-assemblies or complete vehicles are expressly copyrighted to DRIFT TRIKE BUILD PLANS. No parts of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic mechanical photocopying, transmitted via the World Wide Web, recording or otherwise, without the written permission of DRIFT TRIKES BUILD PLANS. DRIFT TRIKE BUILD PLANS reserve the sole rights to sell and reproduce the said plans and the sole right to manufacture parts and complete vehicles from these plans for financial and/or commercial gain. Legal action will be taken against any individual, individuals, or business making financial and/or commercial gain from reproducing either these plans, components or vehicles derived from these plans and designs. This set of plans gives the owner the right to manufacture their own vehicle for the purpose of recreational use only, which as a finished product is not permitted to be used to derive income unless written permission is given from DRIFT TRIKE BUILD PLANS. No liability can be accepted to for any inaccuracies or omissions in this publication, although every possible care has been taken to make it as complete and accurate as possible. The right is reserved to make changes at any time without prior notice and without incurring an obligation to make such changes to products manufactured previously. All information contained in this publication is based on the latest product information available at the time of publication. Illustrations and photographs in this publication are intended for reference use only and may not depict actual model component parts. 1

3 MOTORIZED REAR END MOTORIZED REAR END is a custom rear end that fits our drift trikes that have removable rear ends. MOTORIZED REAR END uses a 6.5hp go kart engine to make your regular drift trike into a motorized one. This is a simple straight forward build that uses common parts that are regularly available. We have drawn this rear end with a 40mm go kart rear axle but we have also included measurements and instructions if you choose to use other popular go kart axle sizes like 1 ¼ and 1 (25mm). Frame: Mild steel RHS SPECIFCATIONS Brakes: Go kart rear disc brake hub and caliper. Must be 190mm in diameter for ground clearance. Rear wheels: Front go kart wheels. Rear axle: Go kart 1, 1 ¼ or 40mm rear axle. Sprocket: Go kart sprocket and hub. Must be 65 tooth or less for ground clearance. Engine: 6.5hp four stroke go kart engine. An engine based off a Honda GX200 is what will work best. These engines are widely available due to them being copied from many different Chinese engine manufacturers. Clutch: Go kart centrifugal clutch to suit engine. Chain guard: Custom 1.6mm sheet metal guard. We have included fabrication plans for this. Bearings: Pillow block bearings. If using 40mm rear axle then two UPC mm bearings needed. If using 1 ¼ rear axle two UPC bearings needed. If using 25mm (1 ) rear axle then two UPC mm bearing needed. 2

4 SAFETY IMPORTANT: PLEASE READ THE FOLLOWING BEFORE RIDING DRIFT TRIKE BUILD PLANS wish to advise in the intrust of your enjoyment, some safety features which will enable you to enjoy riding your trike and minimise the risks to yourself and others. HELMET Always wear a good crash helmet, a full face helmet offers more protection than an open face. Remember to buckle up the chin strap. CLOTHING Always wear paints, long sleeved shirts and clothed in foot wear. PROTECTIVE GEAR It is advisable to wear knee and elbow pads to minimise injury if and accident was to occur. Gloves are also and essential part of protective gear. DRINKING, DRUGS AND RIDING DO NOT consume alcohol and ride any type of trike, bike or vehicle. Drinking and riding is dangerous to both yourself and others. The nature of drift trike riding is demanding and unpredictable so you need to be alert and focused on what you are doing at all times. Drugs and alcohol dull your senses and concentration. SHARP OBJECTS Make sure the frame or any parts of the drift trike that you have fabricated is to design specs and all sharp edges and burrs have been removed. BRAKES Good brakes are essential. Braking is relative to speed; the faster you go, the better your brakes should be. Always maintain your brakes so that they are always in good working order. STEERING Steering is an important safety area, without it you have lost control. Always make sure that steering components are in good condition and check for loose bolts/parts. The more responsible you are, the better it will be for all of us and the better an image for the sport of trike drifting you will create, guaranteeing for all of us acceptance and respect from the general public. 3

5 DISCLAIMER DRIFT TRIKE BUILD PLANS, their agents or employees will not be held responsible for any damage caused by any of their trike designs to person or property. DRIFT TRIKE BUILD PLANS make every effort to advise their customers of safety precautions and responsibility and cannot be held responsible for the actions of an individual or individuals. DRIFT TRIKE BUILD PLANS cannot be held responsible for an individual s quality of workmanship or for the suitability of the finished product in respect to safety or the performance an individual may expect from the said design in various conditions. Drifting trikes is a dangerous sport because of the varying conditions that may be encountered and although DRIFT TRIKE BUILD PLANS makes every effort to design a solid and safe drift trike, DRIFT TRIKE BUILD PLANS have no control over how or where an individual chooses to use their drift trike. DRIFT TRIKE BUILD PLANS makes every effort to supply quality components to its customers but will not be held responsible as to the way an individual assembles, fits or uses said components or the way or manner an individual uses a drift trike. 4

6 GLOSSARY OF TERMS Bending BMS CAD CNC ERW tube Fabricating Flatbar Gusset ID m mm Module NB Nyloc Ø OD PCD RHS Scollop Tending to curve or bow. Bright Mild Steel. Computer Aided Design objects that have been designed on a sophisticated computer software drawing package. Computer Numerical Control a system used to control automated machines using computer guidance. Centreline symbol shown at the centre of some drawings. Electric Resistance Welded tube. Is usually made of better quality steel and comes with thinner walls that normal steel pipe. To measure, cut and weld to create a finished product from raw materials. Steel that is sold as flat lengths. A bracket strengthening an angle of a structure. Inside Diameter inside measurement of round objects. Meter metric measurements Millimetre metric measurements. A self contained item, normally an assembly or parts to create a specific item. Normally used in combination with other units. Nominal Bore Classification given to some sizes of pipe. Brand name for a self-locking nut that uses a nylon insert to lock onto the bolt thread. Diameter measurement for round objects. Outside Diameter outside measurement of round objects. Pitch Circle Diameter diameter of a circle in which holes are evenly spaced. Rectangular Hollow Section (steel). Notched. Remove material. Wheelbase The distance between front and rear axle centres. 5

7 TOOLS AND EQUIPMENT Some basic equipment will be needed to fabricate the drift trike frame. Here is a list of basic tools and equipment needed. WELDER A Mig Welder is the most preferred as it can be used by most novice welders with the minimum of experience. Another type of welder is the Arc Welder, this can be used just as readily but needing more skill and practice to produce clean tidy welds. Other forms of welding suitable for construction are Tig and Gas welding (brazing). The form of welding used depends on what your personally have available and what your skills are best suited to. CUT OFF SAW Ether a grinding type Drop Saw or a Power Hacksaw, or Bandsaw may be used. If either of these are not available a Hand Hacksaw or Angle Grinder may be used with a sturdy vice. DRILL PRESS A drill press of 5/8 (16mm) capacity is the more suitable but you may use a hand power drill either in a drill press stand or on its own. SQUARES A large fabrication square, a one meter rule and protractor bevel for marking out and setting up the frame and angles will be required. A tape measure for measuring tube lengths. GENERAL HAND TOOLS Adjustable spanners, pliers, angle grinders (4 or 5 ), socket set, hand files, bench vice and a sturdy bench will all come in handy. 6

8 TIPS ON CONSTUCTING BEFORE BUYING PARTS DECIDE ON THE FOLLOWING There are three popular sized rear go kart axles that you can choose from for this build (25mm or 1, 1 ¼ and 40mm). All axles should be 1050mm long. A 25mm / 1 axle will be lighter and cheaper but a 40mm axle will be stronger. Parts so suit a 1 ¼ might be more widely available and cheaper in your area. A 25mm / 1 axle will give you a little more ground clearance than a 1 ¼ and 40mm. So before buying a certain size axle weigh up the pro s and con s of each size. Parts needed to suit your axle size are: AXLE, Pillow block bearings x 2, disc brake hub, sprocket hub and wheel hub x 2. Some stores sell all this in a package, this is usually the cheapest option. Make sure you shop around for best price. PURCHASE OF PARTS Purchase of second hand parts will bring the cost of the build down considerably. The design of this trike incorporates widely available parts that can be easily found from many suppliers. WHEELS Front go kart wheels and tyres are used in this design because they are easily found and second hand items are usually sold cheap or just thrown in the trash. Wheels with a hub to suit your axle size choice. GEOMETRY Take extra time and care to ensure all the steering components are true and square before fully welding. BRAKES You will need a go kart rear disc brake, disc brake caliper, brake leaver and a disc hub to suit you axle choice. We recommend using a 190mm diameter disc brake, any larger than this will give you very little ground clearance. 7

9 SPROCKET A go kart rear sprocket and hub to suit you axle choice will be needed. A 65 tooth sprocket is the largest sprocket you will be able to use to still have enough ground clearance. We recommend getting a sprocket to suit a #35 chain. CLUTCH Buy a clutch that suits your engine and sprocket choice. We recommend buying a clutch, sprocket and chain together in a package. GEARING AND DRIVE RAITO There is a lot of information on the internet about drift trike gear ratios. There is no 1 size fits all answer when considering gear ratio. If your small and light you might get away with a taller gear ratio than a larger overweight bloke. We recommend doing a little research into pro s and con s of gearing before buying your rear sprocket and clutch/sprocket. In saying that something like a 1 to 5 or 1 to 6 ratio is usually a good fit. So shop for something like a 10 and 60 tooth or a 12 and 60 tooth package. ENGINE A quick ebay search for 6.5hp engine will come up with hundreds of engines. Some will be better quality than others. Some will have an electric start. Some might have a 2 to 1 drive ratio. Some will come with a package including throttle controls, exhausts, mounting plates and other extra goodies. We recommend shopping around and buying a mid price ranged engine off a seller with a good returns policy. The Honda GX200 OHV four stroke engine that has been copied many times over by Chinese manufactures is a good robust engine that makes for an excellent go kart and drift trike engine. MATERIALS LIST MATERIAL QTY USED FOR 1.6mm plate 400mm x 700mm Chain guard 3mm plate 300mm x 600mm Guard, engine and brake caliper mount 40 x 40 x 2 RHS 3.5 meters Frame 35 x 35 x 2 RHS 100mm Frame 8

10 PARTS LIST ITEM QTY USED FOR Front go kart wheels and 2 Wheels tires Go kart wheel hubs to 2 Wheel hubs suit axle size choice Go kart rear axle. In 1 at 1050mm long Axle ether 25mm (1 ), 1 ¼ or 40mm Go kart rear disc brake 1 at Ø190mm Brakes and caliper Disc brake hub to suit 1 Brakes your axle size choice Sprocket and hub to suit 1 Gearing your axle choice Pillow block bearings to 2 Bearings suit axle size you choose 6.5hp OHV four stroke 1 Engine go kart engine Brake leaver and cable 1 Brakes to suit handle bars used Throttle and cable to suit 1 Throttle handle bars used Clutch and sprocket to fit 1 Gearing engine #35 chain 1 Chain M10 x 40 bolt and Nyloc 4 Fasten engine to frame nut M16 x 60 (40mm, 1 ¼ 4 To fasten bearings to frame axle) or M12 x 60 (1 or 25mm axle) Bolt and nuts for These normally come Fastening parts together fastening disc brakes, brake caliper and sprockets. with parts when you buy them M8 x 20 bolt and nut 2 Fastening chain guard to frame 9

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