Two stroke engine tuning software

Introduction and aims an exhaust system is an important supplement of all engines. Our goal is to achieve the biggest power gains as possible, while maintaining reliability on your 2 stroke engine. Squish measurement and adjustment on 2 stroke engines. There is no 2 stroke displacement limit for our software, for example you can have a 125, 250, 500, 700 singlecylinder and our modules will work flawlessly. Reading the spark plug jet more by feel more than plug color on a two stroke. The physics of a 2 stroke engine is very complex compared to that of a 4 stroke when we are trying to optimize horsepower, reliability, and reasonable width of the power band. Extreme motor sales 2 stroke scooter parts 2 stroke. Software for fine tuning and design of two stroke engine. Thanks to the software two stroke design instead you can enter the data of your cylinder with extreme facility and precision, and then analyze the port areas and the timing area in the engine cycle timing for each phase. Software for optimal setting and design of engines and. Unfortunately this resulted in mistakes in ceas reports made from 15 to 17 november 2019. Tuneup predator 79cc 4stroke motorized bicycle forum. Engineering acousticssonic supercharging of 2 stroke engines.

During this time there will be some mixing of fresh airfuel mix with burnt gas and some loss of fresh airfuel mix to the exhaust system. Gordon jennings was a life long motorcycle enthusiast and writer who worked as an editor. Mota and its related set of programs have been developed to simulate the performance of highoutput single cylinder two stroke engines. We shall send you a pdf document with the templates for manufacturing your exhaust. It is also very good for expansion chamber designs. Mar 02, 2009 the difference between a two stroke and four stroke engine is intake velocity. All engine development is done exclusively with tsr two stroke racing engine design software and. A great deal of time and effort was expended in the development of this comprehensive waveaction simulation by several racers, engine designers, twostroke experts. Ask our shadetree mechanics 2 stroke wizard pipe builder.

Calculates port heights from durations, or durations from port heights. For manufacter and tuner of two stroke engine, ntproject has developed a series of software to help in the development of the engine and its components. So whether you have a 50cc road bike, a 500cc motocrosser or a classic racer. Aussie twostroke engine invention motorbike writer. Two stroke moped tuning two stroke timing moped tuning. Harris performance engineering hp race development. Two stroke motors are very touchy in the tuning process, if they run too rich, they bog down and quit. Software for optimal setting and design of engines and racing. For port work, one company that will help you is 2stroke porting. The good news is that replacing cylinders and pistons on most 2 strokes is fairly simple, if costly gaskets, etc too.

Racingsm software has features for many different areas 2 stroke exhausts development, drag racing features, simulators, carburetor tuning, connectingrod analysis etc with all this knowhow along with lufo racing heritage, we believe this is a very fair price. Assign fixed relationships between transfers and exhaust port. Tune pipe edit with a convergingbelly sectiondiverging type tune pipe the goal is to have the diverging section create a returning rarefaction wave and the converging section create a returning pressure wave. As the rings seat in and power improves the fuel requirements will change. Two stroke engines have lower velocity so the needle jet has a halfmoon shaped hood protruding into the venturi to produce a low pressure area that aids in drawing the fuel up through the needle jet. Dynomatontwostroke is a dosbased simulation that was originally released in the mid1990s. Topemai 10 pcs carburetor adjustment tool screwdriver kit for common 2 cycle carburator adjusting small engine carb tune up adjusting tool. Two stroke engine pollution comes from two primary sources. The businesses and individuals that purchased the original dynomation 2 stroke program were pleased with the capability and accuracy of the software. We also offer the customer a complete bespoke tuning service so they to can feel that spine tingling rush only a two stroke can provide.

Two stroke performance tuning chapter 3 porting and cylinder scavenging today, when we take a look down the cylinder of a two stroke engine, we find its walls literally filled with ports to handle the induction, transfer and exhaust phases of gas flow through the engine. Graham bell is an acknowledged expert on engine tuning, with many years experience in this field. The software does complete cycle simulation of the whole internal combustion process including the gasdynamics in the pipesducts, ports and plenums air boxes, boost bottles, exhaust boxes etc. Engine 2s for manufacter and tuner of two stroke engine, ntproject has developed a series of software to help in the development of the engine and its components. For port work, one company that will help you is 2strokeporting. Two stroke tuning advice from the experts at bimotion. It has the determining influence on engine outgoing parameters for engines with a two stroke operating cycle. No previous knowledge of the two stroke cycle engine is required just input the required data and then run mota to set in motion this powerful process. From the bellmouth of the carburetor, to the insert of the reed valve and the reed petals, at the studied of the cylinder ports, until to the balance of the crankshaft, thanks at our software you could optimize your engine and to develop new components to. Exhaust and intake tuning building, tips and techniques.

Two stroke motorcycles have been phased out in recent years by tough pollution laws and fuel economy targets. Ecu, cdi, tuning specialist the modern race bike requires precise tuning, knowledge, and expertise to unlock all possible power, ride characteristics, and delivery of power. Those of us who have grown up in the japanese two stroke. You would burn about a gallon of oil every 1,000 miles if you used a twostroke engine in a car. Squish is an effect in internal combustion engines which creates sudden turbulence of the fuelair mixture as the piston approaches top dead center tdc. The one i have been using is call mota, from ian williams tuning.

A myriad of different aftermarket accessories is available for you to custom tune your bike to better suit your needs. However, ktm has released a raft of new directinjection two strokers and honda recently registered patents for directinjection two stroke engines, so they look like making a comeback. Other books to his credit are modern engine tuning, twostroke performance tuning and forced induction performance tuning. We specialise in hrc nsr500v, rs250, rs125, and nsr250. Definitely better performance we picked up 7 mph with same prop.

It will simulate one of the cylinders of a multicylinder twostroke engine provided that the cylinders are identical in layout and dimensions and each cylinder has a seperate. Do not attempt to fine tune the jetting on a fresh engine. Specificaly written for gokarts engines, but will do any 2 stroke. Computer input requirements are indicated for the following software programs. My name is ed erlenbach, im a private tuner specializing in yamaha rd and tz performance in southern california.

Model engine two stroke software for reworking all 2 stroke model engines. Twostroke waveaction engine simulation motion software. The port heights, widths, areas, directions they flow, and relationships to one another all have a significant influence on how the engine will behave. Two stroke motors are more efficient that four strokes for a few reasons. There are a few software programs available for 2 stroke simulations. I have a friend calling you for a tune he has the same engine. In motocross its usually a compromise between best peak hp and good early off the pipe power. Two stroke performance tuning two stroke all of these detonation triggers are virtually unavoidable, with the exception of excessive spark lead.

I come from a karting background and adjustable power valves on two stroke engines. Changing the power of 2stroke engine is really very simple when you know the basic techniques of 2 stroke engines. A two stroke cylinder consists of exhaust, transfer, and occasionally inlet ports true inlet ports are only found on piston or rotary valve controlled engines. This website and app will help you tune your moped or any two stroke engine. Tom turner, master two stroke tuner, pipe builder, and the man that developed tsr two stroke racing software designed and built his 424cc yamaha rd400 dragbike to develop and prove his racing design software and prove it, it did.

I found most other software work on outdated blair and jennings formulas. Exhaust and intake tuning this article describes the principles involved in using tuned exhaust and intake systems on two cycle and fourcycle engines. Engine output increase of twostroke combustion with exhaust. We have the optimum case modifications to suit each application and engine developed over countless hours. Everything you need to know about the twostroke cylinder. Two stroke engines produce a lot of pollution so much, in fact, that it is speculated that you wont see them around too much longer. Improve the performance of your two stroke engine with a torqsoft designed exhaust system. From the bellmouth of the carburetor, to the insert of the reed valve and the reed petals, at the studied of the cylinder ports. Dynojet rolling road setupfor all makes and models of 2 stroke. Performance engineering is a division of gt motorcycles, plymouth. Gordon jennings was a life long motorcycle enthusiast and writer who worked as an editor for cycle magazine and motorcyclist magazine.

We have been involved in the motorcycle industry for over 30 years, having won british and world titles in junior motocross, adult motocross, road racing, isle of. Basic 2 stroke tuning by eric gorr changing the power band of your dirt bike engine is simple when you know the basics. The oil makes all two stroke engines smoky to some extent, and a badly worn two stroke. The faliure of the 50 mph trike was most likely not caused by wear and tear on the engine, or even damaged parts, but by a simple mistake in the tuning process. Here we are tuning a yz80 motocross engine for use in a motorcycle road racer. Twostroke oil is expensive, and you need about 4 ounces of it per gallon of gas. Each part of the 2stroke cycle can be evaluated and designed. Our specialist engine tuners will be able to help you with every aspect of your tuning and servicing. Hp is a full on specialist in ecu tuning 2 and 4 stroke, cdi development for 2 strokes, and general mapping needs.

Hey great news the tune worked 1st try with new device. Developed by pedro, with more than 20 000 lines of code, all the knowhow applied to software comes from us and also a lot from the legendary portuguese 2stroke tuner lufo racing, this software is directed for all 2stroke. The trend in high performance two strokes has continued towards more case volume, however each engine and application differ. Mjw specialists is a 2 and 4 stroke engine tuning company, as well as a suspension centre, working along side dp suspension. Eonbes carburetor adjustment tool set with kit bag for 2 cycle small engine, set of 8. For manufacter and tuner of two stroke engine, ntproject has developed a series of software to help in the development of the engine and its components from the bellmouth of the carburetor, to the insert of the reed valve and the reed petals, at the studied of the cylinder ports, until to the balance of the crankshaft, thanks at our software you could optimize your engine and to develop new. This works just fine but misses out on the additional push we could get from the engine by tuning the exhaust. Stan stephens tuning are the uks number 1 two stroke tuning firm. For port work, one company that will help you is 2 stroke porting. Properly tuned systems can increase the charge of fuel delivered to the cylinders and a related phenomenon can aid. Bimotion 2 stroke software has been commercially available and in professional use since 1991.

Not content with being one of the premier parts suppliers in the uk from world renowned companies, such as brembo, dymag, samco to name but a few. Millions of fluid and thermodynamic calculations are made by mota representing the conditions inside your two stroke engine throughout its complete operating cycle. North american two strokes general two stroke discussion two stroke engine and exhaust design software this is the place to talk about anything related to two stroke road race bikes. Software for fine tuning and design of two stroke engine by. To say that they were ultimately successful would be gross understatement. Bimotion 2stroke software at bimotion, our mission is to develop user friendly commercial grade 2stroke software, at an affordable cost for amateurs and professionals alike. The official home page of the 2 stroke wizard tuned pipe 4t exhaust header wizard software.

Bimotion 2stroke software has been commercially available and in professional use since 1991. But because of the limited worldwide activity in twostroke engine development, program sales were limited and further development was curtailed. Its called crankcase independent twostroke cits and was invented by former south african motorsport engineer basil van rooyen, director of cits engineering, st ives. The difference between a two stroke and four stroke engine is intake velocity. Two stroke engine and exhaust design software north. Parts for scooters with morini 50cc 2 stroke engines. All engine development is done exclusively with tsr two stroke racing engine design software. But because of the limited worldwide activity in two stroke engine development, program sales were limited and further development was curtailed. I tried to get more room but the offtheshelf motor bracket uses a little too much space. Two stroke engine porting zmod for android apk download. A sydney engineering company has developed a new twostroke engine that they believe could be used in motorcycles. The high performance 2 stroke engine is a pulse resonance engine which means that the operation in general and the scavenging in particular is not only. From a 49cc racing engine, to a gp 125 engine, or a 1500 mercurial triple engine, or a 250 kart engine, racingsm software suits all. In a two stroke engine with piston controlled transfer and exhaust ports these ports are simultaneously open during a major part of the engine cycle.

It will simulate one of the cylinders of a multicylinder two stroke engine provided that the cylinders are identical in layout and dimensions and each cylinder has a seperate exhaust and induction system. The official home page of our 2 stroke wizard tuned pipe. Its a fine line to get everything just right, which is why racing and tuning 2 strokes is half science, and half black artvoodoo. You should only rely on the experience of the very best. Tuning a ktm two stroke for less of a hit adventure rider. If you are aiming for these qualities, modifying your 2 stroke engine is a great strategy. Twostroke engines do not use fuel efficiently, so you would get fewer miles per gallon. Since modifying the 2 stroke engines require not only a big. A lesser work would have surely passed into nostalgia. In contrast, a two stroke engine s valve timing may be altered simply by reshaping the holes in its cylinders, and its power output markedly changed by utilizing inertia and resonant effects in its intake and exhaust tracts. Most of the errors is to choose a less appropriate combination of engine components so that the engine actually ran worse than standart, ever experienced.

Engine output increase of two stroke combustion with exhaust system optimization michal. The description of two stroke engine porting zmod this software made for help out team in first time, but some friend advise this is the time to share. Enthusiasts, tuners, mechanics, gp, drag racing, mx, enduro. On the other hand, while the two stroke engine does not commonly require large. However, you shouldnt just pick any business that you can find anywhere. The engine fits in there so tight that i cant get the plug out without dropping the engine. Moreover you can have advices for the development of the engine thanks to the help of tested formulas for intake, exhaust. Researchers have found that it is the gases at the very outer limits of the combustion chamber, called the end gases, that selfignite to cause detonation. Oct 21, 2017 6 excel spreadsheets for designing an expansion chamber, a heads squish band, a boost bottle, a balanced crank, correct fueloil ratio, and correct port dura.