Two stroke engine porting software

Everything you need to know about the twostroke cylinder. New version of 2t exhaust calculator it is a freeware 2 stroke. Two stroke engine porting zmod for android apk download. At the moment, we have a special 2 stroke bike collection. The other is how air density barometric pressure, temp, humidity, and elevation change, affects horsepower.

The exhaust port opens and combustion gas starts down the pipe at supersonic speeds. The engine porting determines whether high rpm or mid range rpm is where the engine. In the early 1970s, motorcycle tuners were chasing a magic formula to improve the power and efficiency of twostrokessimple, lightweight engines found in many on and offroad bikes from that era. Two stroke designmodification software the following are spreadsheets for different aspects of 2 stroke designmodification. Really cool two stroke cylinder porting software youtube.

Porting and polishing twostroke motorcycle engines. Intake by piston port and by rotary valve systems is also included in the program. Software for fine tuning and design of two stroke engine. Bimotion 2 stroke software has been commercially available and in professional use since 1991. Moreover you can have advices for the development of the engine thanks to the help of tested formulas for intake, exhaust, blowdown and transfer. The ports found within a twostroke cylinder in combination with the. 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. Crankcase and cylinder porting is probably the most controversial subject among performance 2 stroke engine builders. Twostroke waveaction engine simulation motion software, inc.

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. Our goal is to achieve the biggest power gains as possible, while maintaining reliability on your 2 stroke engine. 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. Whether you want more power, torque, or both, i can help. The twostroke engine is a common power source for small and. 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 page was created to educate others on the benefits of two stroke porting.

Below are notes on my free spreadsheet of free 2 stroke calculators. From beginners in porting,to brazen speed phreaks, this is a great tool if your not a molecular, thermohydrus calculus genius space physicist math scientist. Port matching, porting and trenching twostroke engine cases. Scavenging ports optimal design of a twostroke small. While twostroke engine development is on the rise again, the worldwide. Assign fixed relationships between transfers and exhaust port.

Two stroke cylinder porting tips watch this before you start cutting. If you are aiming for these qualities, modifying your 2stroke engine is a great. Softengine engine simulation software 2tbase seven software. The cylinder pressure drops, and the fresh charge transfers thru the transfer ports, over the top of the piston, and out the. This is the third of a series of videos on the topic of 2 stroke engine. Calculates port heights from durations, or durations from port heights.