The hays clutch is flat out awesome when it is tuned correctly. This is a tuning variable not previously available to the tuner or cvt manufacturer. We have the lowest prices on snorkel kits, atvutv axles, atv lift kits, wheels, tires, exhaust systems and. With a stock motor you should not need a lock up clutch to keep the clutch from slipping on the big end. Cpc clutch tuning handbook cutlers performance center. We offer the following inhouse clutch services resurfacing flywheels, pressure rings, floaters and any mating surfaces. Theyre simple, driverinvolved, maintenance friendly, and fun.
Choose your spring by part number or rate in the drop down when adding your cart. This book, continuously variable transmission systems cvt of which theres also a companion dvd by the same title, was a long time in the making. Of the two clutches in the gators drive system its the only one that is controlled by rpm. The clutch takes the engine power, and puts this down through the drive shaft, to the driven wheels on the road but allows you to disengage the engine whilst performing a gear change. Professional drag racing clutch services cale aronson. Nitro motors produce very little if any usable power at idle and low rpm levels. Replaces or repairs defective parts of gear box, rear axle, steering mechanism etc. Our popular clutch tuning handbook has been revised for the ninth time, bringing you the latest in clutching technology. For the hays clutch you have to send him the clutch basket and the hub. Clutch tuning handbook has been revised for the ninth time, bringing you the.
Primary clutch drive clutch front clutch off the motor. If you want to know how your clutch works, this book will save you valuable time and money. The heelx roller secondary system is available for arctic cat and yamaha openroller secondary clutches, including the acrtic cat bearcat. The vocabulary base for the content has been built on corpora samples of real world in tune with. Take your old primary off and replace it with the cv tech clutch for improved performance, a longer belt life. Their testimony is more than likely to be true based on hisher experience, knowledge, training and appearance of honesty and. Nitro motors under throttle will always rise in rpm as quickly and as much as they are able, given the current load. Cd follow installation, maintenance and calibration manuel to disassemble driver pulley. Clutch dyno we can dyno your clutch assembly and provide you with a pressure applied rating per rpm, as well as suggest additional changes that could help with tuning. After a bit of a base for tuning our clutch now were making the power we want. Join our mailing list for special offers email address. Installation, maintenance and calibration manual powerbloc cvtechaab 3037, frontenac blvd e. Peak rpm the rpm the machine sits and holds most of the time at wot.
Diaphragm clutch assembly, constant mesh gear box, synchromesh gear box, gear linkages. Engineered clutches for competition we have been manufacturing special clutches for some time for oe applications and race series around the world. Act clutch kits, flywheels, performance transmission. Contact like this requires a lot of grip and a fast response. As we all know, clutching is a very complicated subject. Heel x tech article a kit for roller secondary clutches. Understanding the fundamentals i have made mention a number of times to a book by olav aaen entitled clutch tuning handbook currently updated 2009. Cvt transmission tuning and performance get the book here. Our small multiplate clutches have been engineered to exceed the performance levels required in their class without compromise. Engine parts, swingarms, nitrous, turbo kits, chain, sprockets, air shifters, exhaust kits and much more. Buy olav aaens clutch tuning handbook updated 99 by aaen, olav isbn. Buy your rc motor clutch and parts at the rc car specialist.
The trade theory book provides related theoretical knowledge required to enable the trainee to do a job. Special chapters on clutch theory, testing and flywheel grinding. Varactor variable capacitance diode or tuning diode. If your confused about how your clutch works, this book will save you valuable time and money. Read, highlight, and take notes, across web, tablet, and phone. A clutch offers a variety of tuning options for different circumstances, but like the rest of the car it requires good maintenance to perform at its best. Clutch tuning the best advise is just to call tom in the morning, he is really knowledgeable. Ncvtnac in india, which is to help an individual to master skills to do a job. Automotive continuously variable transmissions cvt. Cvt clutch tuning basics part 3 making the adjustments. C program files stc ilqa 0666 root images headerlogo. Clutch performance clutch and triple plate clutches.
Modeling of a continuously variable transmission and clutching of. Each of these components have a key role, modifying or tunin. If you want to know how your clutch works, this book will save you valuable ti. Special chapters on clutch theory, testing and flyweight machining. Schnitz racing has all the motorcycle performance parts you need to stay in front. Although it seems intimidating at first, theres nothing behind the combination of clutch, shifter and gas pedal that you cant master with just a little practice. Here are some general clutching rules you should play by. In fact, some people will tell you its simply a black art that takes years to understand. Aaen performance clutch tuning handbook bvs16003 royal. High performance tuning tips for your cvt clutch dirt.
Their testimony is more than likely to be true based on hisher experience, knowledge, training and appearance of. Clutching part 1cvt clutching theory polaris rzr forum. This handbook provides clutch theory and practical application for the racer and trail rider. Secondary clutch driven clutch rear clutch connected to drivetrain. This needs to be in your models peak powerband for best results. Dalton industries manufactures a wide range of cvt tuning components for snowmobile as well as complete clutch kits for selected atv models applications. Get more snap nitro engine clutch tuning for buggy. As an engineer i always look for evidence that supports a complete theory of clutching.
This is the first thing we change on all of our shop bikes. A clutch is fully engaged when the motor rpm equals the clutch bell rpm. Often overlooked is a very important and useful tuning option on a car, the clutch. This handy book gives you the straight scoop on setting up your clutches for maximum performance. Clutches free delivery possible on eligible purchases. Cvt, if that was his name, invented a marvelously simple and effective way of transmitting power to the ground without the need for manual shifting, manual. The shop that is putting my car together is going to put the brand new clutch in and take it. Some racers tend to forget that the clutch is a vital component of a carstruck setup. With the modern cvt, theres no worrying about a clutch, stalling the engine. In my opinion, the ideal way to approach clutching is to start with a straight angle helix, with the angle selected for backshifting characteristics, and the secondary spring tension as loose as possible while still preventing belt slippage.
I am currently working with the local kart track in creating a usable clutch rule in regards to the lo206 classes. The more power you have the harder it is for the clutch to operate. This popular clutch tuning handbook has now been rewritten and updated for the third time. Producing quality computer tools for racers and engine builders since 1986. There are two options for clutch optimization a a scientific method, or b a not so scientific. True cvt clutching theory indicates that the main purpose of the secondary driven clutch is to provide just enough belt tension to prevent. Aaen performance, carb tuning handbook, atv, snowmobile. In this article we will brush up on the workings of a basic clutch system and the process by which you tune it.
Brand new clutch getting dyno tune just picked up a brand new act sprung 6 puck. How to overcome the clutch pedal, for those of you who have vehicles, especially car vehicles, you must have experienced a clutch problem in your car. So, how does the average joe do it the reality of the matter is that most guys will replace this. Until then, you could remove the belt and push your clutch in by hand to see if it travels far enough to squeeze the belt to the desired height. The mtc multistage can be run as a single stage lockup.
Then all engine rpm tuning should be done with the spring and weights in the primary. Record book daily diary answer sheet of assessment. Cvt clutch tuning basics part 2 understanding the fundamentals. Your engine rpm range signifies that you are trying to tune your cvt for baja sae competition. Various transmissions were purchased with the specific task of disassembling then to gather the needed resources photos, diagrams, etc to develop this cvt series. Clutch principles law a body of law and concepts which have been established by olav aaen which is the framework of modern cvt systems. Power output rises with rpm to the limits that clutch tuning is significant. How to overcome the clutch car clutch weight and hard. Check out these driving stick tips designed to help you understand how to get the most out of your manual transmission car. Act clutch kits are unparalleled in terms of consistent, precise pedal feel, high torque capacity, durability, and long wear life. This is a direct bolton system with no machining or external modifications to the secondary clutch.
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