The worlds leading 2stroke engine simulation software for 3. This software enables you to modify the zenoah and cy sikk engines and as well as others by following the step by step instructions and illustrations. There are illustrations that show you where to modify the engine and you can have a torquer or a. Michael dunlop to pilot turner racer yamaha tz 250 at. Gordon jennings or those in tom turners tsr software they advise to use the. It operates on a loop scavenge system, air being supplied via a filter to a twin belt driven roots pattern three lobe blower supercharger. Guys like don vesco when he set the world land speed record. In this thesis, the design of an internal combustion fourstroke engine is analyzed in the. 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. Two stroke engine and exhaust design software north. Motor cycle tuning two stroke by robinson, john, 1994, newnes edition, in english 2nd ed.
Motorcycle engines are typically twostroke or fourstroke internal combustion. Two stroke performance tuning twostroke all of these detonation triggers are virtually unavoidable, with the exception of excessive spark lead. Seasons spanning over two years for example 2014 championships have their race results accounted for in the year the championship ends. Racingsm software has features for many different areas 2stroke 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. Cc specialty tools porting and polishing for 2 stroke engines. Tsr two stroke racing software 2stroke engine design software. B application of the equation to predicting tuned length of the. Other books to his credit are modern engine tuning, twostroke performance tuning and forced induction performance tuning. My name is ed erlenbach, im a private tuner specializing in yamaha rd and tz performance in southern california. Design and evaluation of the elevate twostroke automotive engine. From what ive heard the software is timed to stop working after. Turners two stroke racing for his squish velocity program. I worked with the first us factory jet ski team formed by kawasaki in 1995 to develope a new 785 two stroke twin cylinder engine with fuel injection, electronic exhaust valves, and dual exhaust. It is important to us that you are happy with all the work that is carried out so you come back to us and share positive feedback with others about the service you received.
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. Motor cycle tuning twostroke by robinson, john, 1994, newnes edition, in english 2nd ed. Sinister diesel stocks chips, modules, and programmers from ats diesel, bd diesel, bully dog, diablo sport, edge products, ppei, sct tuners, and smarty. Purchase the porting tools you need at our online store.
Portuguese website, related to 2 stroke performance tuning with many diferent prototypes, such as supermotards, quads, road racing bikes, motocross. I use factory pro wheelsmith racing for dyno testing in san rafael. Check out tom on the kvi auto show, saturday mornings, from 6 a. Im interested to hear if anyone has any knowledge on tom morgan. But because of the limited worldwide activity in two stroke engine development, program sales were limited and further development was curtailed. Two stroke tuners handbook 2 another mistake commonly made, sometimes even by those who have enjoyed some success in modifying twostroke engines, is to believe in a kind of mechanistic magic. The most popular motorcycle in history, with over 100 million produced.
The woodenboat forum is sponsored by woodenboat publications, publisher of woodenboat magazine. 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. Jan 19, 2008 he will do one of two things,hang up, or if he is a good one,start explaining the complex nature of fluid dynamics, sonic wave pressures and the effects temperature on the speed and timing it takes to hit an open exhaust port at 6500 rpmsthis being said. Tom turner, my friend, two stroke mentor, and two stroke racing genius has retired. Tech tune racing motorcross race winning performance 2. The bike was influenced by tom turners bike which appeared in superbike in november 86. Computer design software the bestkept secret in high performance tuning is the use of computer design software. Specialists of bmw brake parts, bmw suspension upgrades. I was also pleasantly surprised to see that turners winning ways has the habit of throwing up some very good priced winners we had a 61, 41 and a 21. Software for fine tuning and design of two stroke engine.
This means that to run motax, you will need a post 2010 computer which is preferably a desktop, driven by an intel i7 4core processor. Tomasin honda cr500 2 stroke prototype and suzuki rm500 2. The following numbers are a summary of the more detailed information available in the career details further below on the page. Cc specialty tools porting and polishing for 2 stroke, 4 stroke, rotary engines. Tom turner, master two stroke tuner, pipe builder, and the man that developed. I noticed a paragraph addressing squish velocity dynomation 2 does not calculate this parameter, but its creators know that it is an important design feature so they steer the user to the sae for blairs software andor tom e. The forum is a free service, and much like the free content on public radio, we hope you will support woodenboat by subscribing to this fabulous magazine. Determine the level of porting you wish to achieve before you start cutting or grinding. In contrast, a twostroke engines valve timing may be altered simply by. How exhaust port timing affects two stroke performance. Everyday low prices and free delivery on eligible orders. Motorcycle racing news isle of man tt michael dunlop to pilot turner racer. Brand new 2020 beta evo 250cc two stroke trials bike. Petals reed valve in the 2stroke engine with reed valve admission, the identification of petals more adapted to the reed valve and to the engine is essential to maximize the performance starting from the intake phase.
These products became popular about six years ago when tom turner adapted the sae programming code and added in his own empirical data from his career as a motorcycle drag racer and tuner. Recently searched for tom turners two stroke racing website looking for his two stroke tuning software only to find out that he has retired and shut the website downbummer. The course is divided up into separate processes for tuning each transmission, which includes torque management, shift times, shift firmness, shift points and feel. Does anyone have a clue if his software or anything similar is available. Vp110 is a good, allaround fuel for hoppedup twostroke engines. I just picked up a 05 cr250 that has a 02 tom morgan racing stage 3 blueprinted and balanced engine.
Software for fine tuning and design of two stroke engine by. Two stroke engine and exhaust design software post by gerrit sun jan 17, 2016 10. Software for optimal setting and design of engines and racing. Oct 22, 2017 a short clip of the honda cr500 2 stroke prototype and suzuki rm500 2 stroke prototype. He will do one of two things,hang up, or if he is a good one,start explaining the complex nature of fluid dynamics, sonic wave pressures and the effects temperature on the speed and timing it takes to hit an open exhaust port at 6500 rpmsthis being said. Two stroke cylinder porting tips watch this before you start cutting. A motorcycle engine is an engine that powers a motorcycle. 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.
Nov 03, 2015 im interested to hear if anyone has any knowledge on tom morgan. Mxa mixes vp110 with pump gas for use in slightly modified twostroke engines in. Cm is mean piston speed, in feet per minute l is stroke, in inches n is crankshaft speed, in revolutions per minute thus, using again the kawasaki f5 engine as an example, with l being 2. It covers my early days in the motorcycle trade, on to starting my own mc business then forming my tuning business. Goran emanuelsson, jorgen bengtsson and thomas hammarstrom. By accepting delivery of the program, the government hereby agrees that this software qualifies as commercial computer software within the meaning of far part 12. A critical parameter in two stroke pipe design is the gas temperature within the pipe. Support racingsm by subscribing our youtube channel. Offering reasonably priced storage of boats large and small, cars, rvs, campers, etc.
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. How to tips from tj on porting and polishing 2 strokes. Mxa mixes vp110 with pump gas for use in slightly modified two stroke engines in mixtures from 2575 to 5050. Tom retired a few years ago i have a rd400 stage two hot street motor built by tom, its insane. Turners two stroke racing tsr is an unclaimed page.
Twostrokes remained the companys speciality, and dkw became well regarded as a manufacturer of highquality strokers in both two and fourwheeled applications it seems unusual today, with fourstroke automotive engines having been the norm for the latter half of the 20th century, but there was once a time when you could find smoky ring. The durability of the design has been proven in scca road racing where the v4 engine has raced problem free for several seasons in our dsport race car. I am very proud of the riders i helped and sponsored and there is an appendix. But because of the limited worldwide activity in twostroke engine development, program sales were limited and further development was curtailed. Tom turner of tsr offers a program to calculate squish velocities based on combustion chamber dimen. We won the ijsba 785 national championship and the world finals slalom title that season.
Check out this action from us 1 motorsports park as several classic kawasaki h2 750s race. A short clip of the honda cr500 2 stroke prototype and suzuki rm500 2 stroke prototype. Foyt, kel carruthers, tony nicosia, brad lackey, chris fischetti, bill vose, eddie hill, mickey kessler, byron hines of vance and hines, and. Starting with edward turners 1937 triumph speed twin design, and until the. I have the complete build sheet and booklet that came with the engine from tmr and will try to post a pic. I have the complete build sheet and booklet that came with the engine from tmr and will try to. Two stroke performance tuning two stroke all of these detonation triggers are virtually unavoidable, with the exception of excessive spark lead. The rst reason of interest for a 2stroke engine is the double. Processors with a lower number of cores will run the motax expansion chamber optimiser, as will the latest. Software for optimal setting and design of engines and. All engine development is done exclusively with tsr two stroke racing engine design software and.
There is quite a large section on changing the face of production racing and into the marlboro series and the lc era and through the kr1s and rgv eras. Blackbox modeling of a twostroke racing motorcycle engine. Two stroke tuners handbook 2 another mistake commonly made, sometimes even by those who have enjoyed some success in modifying two stroke engines, is to believe in a kind of mechanistic magic. The software in question the inexpensive stuff is great for someone who just does not have the math skills to wade through what seem to be a text book of complex formulas. Beta evo 300cc 4 stroke 2020 trials bike px free delivery finance in stock. Vp110 is a good, allaround fuel for hoppedup two stroke engines. I have the book, but its nice to have as a pdf as well and a good reference for those who dont know about it.
As with turners winners galore you will need to spend a bit of time getting to learn this system, but thats the price you pay for a good formula like this. It operates on a loop scavenge system, air being supplied via a filter to a twin belt. Contents chapter 1 introduction 9 chapter 2 the cylinder. Tools of the trade there are two main types of tools used in porting. Download my free calculators spreadsheet to check your computers ability. The idea is to get an education in cause and effect. The software in addition to defining the geometry of the insert, it also indicates the processing steps for its craft realization. An excellent academic book on the theory behind performance tuning for 2stroke motorcycles.
Tsr two stroke racing software designed and built his 424cc. Portuguese website, related to 2stroke performance tuning with many diferent prototypes, such as supermotards, quads, road racing bikes, motocross. Unfortunately, worldwide effort in twostroke development was on the decline. Worlds fastest two stroke motorcycles and snowmobiles drag race. Jun 23, 2015 tom retired a few years ago i have a rd400 stage two hot street motor built by tom, its insane. Petals reed valve in the 2 stroke engine with reed valve admission, the identification of petals more adapted to the reed valve and to the engine is essential to maximize the performance starting from the intake phase. After the success of turners winners galore david decided to release another formula that would quench the thirst of the person who wanted to bet on at least one race a day my first thought was that maybe he would have relaxed the selection method of turners winners galore so giving you a better chance of a daily pick. Motas twostroke dyno will give you and your pc the equivalent of many experts knowledge. View online or download tm racing tm 2 stroke 100 user and maintenance manual. We also offer a sinister diesel power package that combines scts x4 power flash handheld programmer with our 4in stainless steel exhaust kit and an afe power pro5 intake. 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. Dec 28, 2011 recently searched for tom turners two stroke racing website looking for his two stroke tuning software only to find out that he has retired and shut the website downbummer. The best in racing and powersports, people who know that to win you use the best tools and equipment available. Geared specifically for gp and kart racers, this hardcover treasure has turned out to be a great reference source for questions on the logic and concepts that pertain to tuning a 2stroke for maximum performance.
Get adobe reader join the blue ribbon online free speech campaign. Enter your email address to receive alerts when we have new listings available for 2 stroke race bikes for sale. The new transmission tuning course is a combination of knowledge for tuning gm 4, 6 and 8 speed automatic transmissions. The two cylinder version has a bore of 92mm 3 58 and a stroke of 105mm 4. Motorcycle tuning twostroke 1994 edition open library. Two stroke engine and exhaust design software post by gerrit. Modify your own 2 stroke engine for more power and to rque with our 2 stroke modified rc engine program. Modify your own 2 stroke engine for more power and torque with our 2 stroke modified rc engine program. V4 racing engine the unique v4 engine design combines light weight with the strength to take the punishment of the most demanding conditions. The most affordable 2stroke engines for nitro powered rc planes. Modeling and experimental investigation of a 2stroke gdi engine. Tsr two stroke racing software motorcycle engineering. Bigger carburetors, higher compression ratios, altered port timings and expansion.