Software for fine tuning and design of two stroke engine. Calculates port heights from durations, or durations from port heights. Jun 23, 2015 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. Apr 08, 2007 from an engineering standpoint the tsr software is pretty lowend, but if you dont have any experience with any cad or cfd software, it is probably your best bet. Free tuning and maintenance info, plus links to our original tuning pages that started it all off. The software programs from blair, tsr and bimotion all include this feature as part of the two stroke engine design data crunching its probably the most important head design program to own. You can work change variables with the bhp brake horsepower formulae. Discount does not apply to certain products that are already discounted more than 10%. I have heard trs software is similar, but gp blairs is cheaper plus it comes with a book explaining all of the engineering behind it. Tsr copy changed files free software for logging changed and modified files. 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. Cc specialty tools porting and polishing for 2 stroke, 4 stroke, rotary engines. They engaged the services of an engineer named zoller to build a 250 racer, which ultimately won the isle of man tt in 1938.
I am learning so much about 2 stroke software and engines that it seems it will be. The engine porting determines whether high rpm or mid range rpm is where the engine. Im working on gathering enough parts to build a triple cylinder rd400 and at some point ill need to sort out the porting and exhaust. Software for optimal setting and design of engines and. How exhaust port timing affects two stroke performance.
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. Turners two stroke racing tsr is an unclaimed page. Tsr watermark image professional watermarking tool. Bmep hp x 6500 l x rpm 2 stroke l engine size in liters. Lawnboy really had a rich recommended mixture with regular 2 stroke. Suggested by umg lady gaga stupid love official music video song just dance a cappella artist lady gaga. The information used in the programs calculations was taken from the books the basic design of the two stroke engine and the book design and simulation of two stroke engines. Motorcycle software bikelinks motorcycle directory.
This is the unique supercharging effect of two stroke engines. 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. This software is classified as a two cycle wave action simulator it will visually display the wave activity of a running two stroke engine. Jan 19, 2008 i use tsr hemihead, squish and degreeit.
We believe that using this software will help your 2 stroke development or racing results on different types of competition. Processors with a lower number of cores will run the motax expansion chamber optimiser, as will the latest. Two stroke engine and exhaust design software north. My name is ed erlenbach, im a private tuner specializing in yamaha rd and tz performance in southern california. Bigger carburetors, higher compression ratios, altered port timings and expansion.
The main advantage of two stroke engines is that they can combust more volume of fuelair mixture than the swept volume of the engine. Purchase the porting tools you need at our online store. This is the height of the piston from the lower edge to the perimeter of the. Software for optimal setting and design of engines and racing. Assign fixed relationships between transfers and exhaust port. Lambretta tsr evo touring exhaust system dynodeveloped in germany with cooperation of exhaust guru marco rentzmann over the last 2 years this exhaust design brings the evolution of the lambretta 2 stroke expansion chamber solution to its ultimate conclusion on the lambretta engine. Other than the tsr boostbottle dos application and the iwt racing freeware pipedesign utility, i havent tried any of the other software packages out there, but since this one came highly recommended and had a good rep on the web, i decided to try it out. Other than the tsr boostbottle dos application and the iwt racing freeware pipedesign utility, i havent tried any of the other software. Note that we want the actual stroke, not the crankshaft throw which will be half the stroke. If you cant wait to start using dynomationtwostroke, feel free to jump ahead. Does anyone have a clue if his software or anything similar is available. Blair of queens university belfast, and published by the society of automotive engineers. We have been advancing our 2stroke engines for over 37 years and we are now offering the software we designed to set many of our world records. Ten motorcycles that remind us why we miss twostrokes.
Tsr continuously backup easy to use protection of files, never miss a file. Tsr photo manager sort through thousand of images in minutes instead of days. 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. Moreover you can have advices for the development of the engine thanks to the help of tested formulas for intake, exhaust, blowdown and transfer. Turners two stroke racing tsr paramount ca, 90723 manta. We shall send you a pdf document with the templates for manufacturing your exhaust. The tsr software does take a bit more knowledge of engine theory and operation than the race logic templates do of course. Tsr twostroke racing software bellflower ca, 90706. It covers my early days in the motorcycle trade, on to starting my own mc business then forming my tuning business. Mercury 2 stroke outboard boat motor service manuals are available for immediate download. Tom turner of tsr offers a program to calculate squish velocities based on combustion chamber dimen.
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. Dont want to spend money on sites like cycletrader or deals on wheels. I think mota is a good program for the money, but dont think the results from any engine modeling program are carved in stone. Check out mcdizzys 2 stroke page, there is alot of info on there on some of. 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.
The newest info i have is the two stroke tuners handbook by gordon jennings. I am very proud of the riders i helped and sponsored and there is an appendix. We also do cnc machined racing parts, for from 50cc racing motorcycles to superbikes. Lambretta tsrevo touring exhaust system series 23 sxtv. Tsr two stroke racing software motorcycle engineering. A 125cc four stroke engine combusts about 110cc of fa gasses but a 125cc two stroke engine combusts about 180cc of fa gasses. Basic 2stroke engine tuning information joe hunt rc. Two stroke designmodification software the following are spreadsheets for different aspects of 2 stroke designmodification.
Tsr copy changed files free software for logging changed and modified. Turbo and even supercharger setups of various configurations can be very useful, however, they are often more complicated with 2 stroke tuning than with 4 stroke applications on a tangent, i did witness a 50cc turbo 2 stroke bike that would do over 150mph, but i digress. Unfortunately, worldwide effort in twostroke development was on the decline. We have been advancing our 2 stroke engines for over 37 years and we are now offering the software we designed to set many of our world records.
Port matching, porting and trenching twostroke engine cases. How to tips from tj on porting and polishing 2 strokes. They were in the business of manufacturing economical two stroke motorcycles and stood to profit from changing the two stroke s image. They are so simple and fun that ive always enjoyed tinkering with them. Tsr twostroke racing engine design software at bikelinks. Ive been using this software for about 3 weeks now, and i think its pretty good. It took a little longer than i anticipated to receive a copy of dynomation 2 for this article but part of the delay was on my end i took a long vacation a day or two after it arrived. I will post my bike in the classifieds section here but i want to make sure i get it sold fast. Below are notes on my free spreadsheet of free 2 stroke calculators. The tsr software does take a bit more knowledge of engine theory and. We now have a simple 2 stroke expansion chamber design program.
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. Mercury 2stroke outboard boat motor service manuals pdf. 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. Software for fine tuning and design of two stroke engine by. For highperformance engines, such as those used for racing, the design of squish action must. Two stroke cylinder porting tips watch this before you start cutting. All engine development is done exclusively with tsr two stroke racing engine design software and. Determine the level of porting you wish to achieve before you start cutting or grinding.
Two stroke engine and exhaust design software post by gerrit sun jan 17, 2016 10. Bimotion 2 stroke software has been commercially available and in professional use since 1991. So whether you have a 50cc road bike, a 500cc motocrosser or a classic racer. In the mid1930s, the dkw company set out to make two strokes respectable. We have been advancing our 2 stroke engines for over 37 years and we are now offering the software we designed to. Tsr two stroke racing software designed and built his 424cc yamaha rd400. All engine development is done exclusively with tsr two stroke racing engine design software. The software in addition to defining the geometry of the insert, it also indicates the processing steps for its craft realization. Tsr software creating simple solutions to complex problems. So whether you have a 50cc road bike, a 500cc motocrosser or a classic racer, we will design the perfect exhaust system for you. Great book, but ill guess the world has moved past that info. I use the tsr computer software to calculatepredict the horsepower. The home of ultimate two stroke motorcycle road racing.
Lambretta tsrevo touring stainless exhaust system series 23. If you have a dirty old paper copy of this manual or a pdf copy of this manual on your computer and it crashed we can help. 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. Improve the performance of your two stroke engine with a torqsoft designed exhaust system. Tsr twostroke racing software is an unclaimed page. From an engineering standpoint the tsr software is pretty lowend, but if you dont have any experience with any cad or cfd software, it is probably your best bet. As to the two stroke candle, real two strokes ran on castrol r40 castorbased racing oil, now thats a smell that you dont come across much these. 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. This will get you started by providing, for your engine, the dimensions of an expansion chamber with a 2stage or 3stage diffuser. At the moment, we have a special 2 stroke bike collection. To say that they were ultimately successful would be gross understatement. Support racingsm by subscribing our youtube channel.
Tsr lan messenger encrypted interoffice communications with no outside interference. Engmod2t 2stroke simulation software motorcycle engineering. The way a two stroke motor works causes them to be f. The worlds leading 2stroke engine simulation software for 3. Nov 17, 2004 tsr two stroke racing engine design software. Cc specialty tools porting and polishing for 2 stroke engines. Powerglide, th350, th400 and a727 transmissions and parts. 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. 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.
With 2 stroke engine modification, porting and polishing is the ultimate choice. But because of the limited worldwide activity in two stroke engine development, program sales were limited and further development was curtailed. 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. Piston height mandatory parameter if performing any timing calculation. Newpipe will probably generate an ok pipe but knowlegde, experiance and testing is better. With 4 stroke engines, porting, when performed correctly and with the right tools, will result in positive horsepower gains, along with increased fuel efficiency and a smoother running engine. Really cool two stroke cylinder porting software youtube.
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. There are many ways to boost the power, one of which is by installing a tuned pipe. Portuguese website, related to 2 stroke performance tuning with many diferent prototypes, such as supermotards, quads, road racing bikes, motocross. 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.
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