Let us assume we have a motor making 400 flywheel horsepower and wed like a single pipe exhaust. Top success stories 1st 2015 bsa bantam championship. Mastering exhaust system math to build highperformance. Mastering exhaust system math to build highperformance engines january 24, 2015 by muscle car diy exhaust systems dont generally invoke the glamour and gut level appeal associated with many highperformance induction systems, but they certainly play a. Exhaust pipe design with cone layout software by paul crowe if you have ever tried to layout a conic section on sheet metal, cutting just the right piece, that when rolled over and joined on edge, you have a cone with the exact shape, size and angled openings desired, you know its not easy. Used to calculate opening area when a circular cover is pivoted over a circular opening. You only have to put one cylinder value in, note from eliot. The objectives of this project are to study, develop and maybe sell a software for pipe designing. There are many ways to boost the power, one of which is by installing a tuned pipe. So whether you have a 50cc road bike, a 500cc motocrosser or a classic racer. Easy to use to get an ideal size of exhaust pipe length and inside diameter. I got sick of the silly free programs and the expensive for sale programs and that wasteoftime 2 stroke wizard and so made my own expansion chamber calculator. This coefficient kh is called the horn coefficient. Frits overmars is a well known tuner and very knowledgeable on aprilia 2t racing bikes.
This guide shows several principals for making a exhaust system. Download 2 stroke exhaust calculator for pc free download 2 stroke exhaust calculator for pcmacwindows 7,8,10, nokia, blackberry, xiaomi, huawei, oppo free download 2 stroke exhaust calculator android app, install android apk app for pc, download free android apk files at. Will calculate the following based on desired rpm operating point. It requires values for stroke, piston height, conrod length, and wrist pin offset. Click here to download a spreadsheet that will let you figure out your engines exhaust pulse width. Exhaust and main transfer timing can be entered by mouse click on graph, or typed in. The below schematic with calculations, offers his point of view with a simplified exhaust concept that will give some basic exhaust dimensions to start working on. It is a tool that can be used to approximate the dilution achieved from an exhaust to a freshair intake location, and can help in the placement of equipment early in the design process. Frits overmars expansion chamber aka fos exhaust concept. Post the pipe here later and we will help you improve it. A simple 3 stage two stroke exhaust calculator based on formulas of g. Mar 18, 2002 all download links are direct full download from publisher sites or their selected mirrors. Calculating required exhaust pipe diameter just commodores.
Improve the performance of your twostroke engine with a torqsoft designed exhaust system. The quick and easy way to choose what diameter pipe you will need from the headers to the mufflers is to go back to the old rule of thumb, that for every 100 horsepower, 1 of total pipe diameter is needed across the system. Our motor is 400 hp at the flywheel, we need an exhaust size larger than 3. Top of exhaust port location entering a value for this parameter will produce exhaust timing figures. Nov 05, 2011 a simple 3 stage two stroke exhaust calculator based on formulas of g. Exhaust length,exhaust pipe,induction calculation, tuned exhaust pipe length calculation for singletwinsfours.
Free 2 stroke expansion chamber calculator software update. The calculations are assuming a speed of sound in the exhaust gas, which is not known exactly. While not recommended for street bikes, the use of drag or straight pipes can maximize the horsepower produced by any specific. Click on the image below to open a sample exhaust design pdf file. How to download javapipe to use as a standalone application. Split your calculated 2stroke exhaust up to 42 sections with regular length or even more with irregular lengths. Processors with a lower number of cores will run the motax expansion chamber optimiser, as will the latest. The calculations are assuming a speed of sound in the exhaust gas, which is not. Shown below is the calculated time areas for an exhaust duration of 189. For port work, one company that will help you is 2strokeporting. Additionally recommends immediate steps you can take to lower your mortgage costs now. Method 1 and method 2 two and three stage diffuser. The expansion chamber program will guide you to design a basic well working pipe. Small values of kh are best suited to grand prix engines with narrow power bands, larger.
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. This, of course, is a rough estimate, and there are. Jul 25, 2007 exhaust pipe design with cone layout software by paul crowe if you have ever tried to layout a conic section on sheet metal, cutting just the right piece, that when rolled over and joined on edge, you have a cone with the exact shape, size and angled openings desired, you know its not easy. Audio wizard pro is an intense interactive software ear training course for any musician, producer, engineer, or recording hobbyist. If you are aiming for these qualities, modifying your 2stroke engine is a great strategy. Type in the duration eg 180, and the program calculates all the other variables. Here is the official description for 2 stroke wizard tuned pipe. The first driver downloads a set of micro and industrial air. Download 4 stroke exhaust pipe calculator for pc free download 4 stroke exhaust pipe calculator for pcmacwindows 7,8,10, nokia, blackberry, xiaomi, huawei, oppo free download 4 stroke exhaust pipe calculator android app, install android apk app for pc, download free. On receipt of your engine details, we will design an exhaust system and create a pdf document with all the templates required to fabricate your pipe as shown below. Exhaust calculator 2t full version, full download, premium download, licensed copy.
In 2005 the software author dave brimage me founded remote vision vehicles manufacturing elevated photography polecam systems. Download 4 stroke exhaust pipe calculator for pc free download 4 stroke exhaust pipe calculator for pcmacwindows 7,8,10, nokia, blackberry, xiaomi, huawei, oppo free download 4 stroke exhaust pipe calculator android app, install android apk app for pc, download free android apk files at. These are the files that can function manually without using macros by using open office. We do not host any torrent files or links of exhaust calculator 2t from, any file sharing sites.
Like most things automotive, exhaust header and system design is a science unto itself. The description of 2 stroke exhaust calculator a simple 3 stage two stroke exhaust calculator based on formulas of g. A 3 single exhaust is good for about 340 crank horsepower. To the best of our knowledge it provides a good quality of accuracy but we do advise that you should always double check your results to.
The exhaust timearea programme was then used to raise the exhaust port until our desired power increase was realized. Download 2 stroke exhaust calculator for pc free download 2 stroke exhaust calculator for. And multiply that by 115 for the capable cfm of that pipe. It is designed to make it easy to test different approaches of tuning degrees and usage of bimotions input editor for the simulation program modelno2. Calculation of air volume to exhaust correction factors according to the type of installation chart 2 type of installation multiplication factor wallmounted hood 1. Free 2 stroke exhaust expansion chamber calculator youtube. Four 4 stroke exhaust pipe calculator download apk free. You could use empirical data gathered from others to determine the best possible header primary length and diameter and this is probably the easiest way or you could calculate it yourself given some basic information about your engine combo.
Jan 19, 2008 we where both very surprised, after punching in his engine specs, that the resulting dimensions of the program expansion chamber exhaust is in all dimensions within 1mm to 4mm of his exhaust specs. So now i will build a expansion exhaust for my ported and modified yamaha tzr250 tuned cafe racer using this program. The software will remain here free to download and use as is. This is a module for complex 2stroke exhaust calculation having in account several variables according to lufo racing tuner philosophy. Using apkpure app to upgrade 2 stroke exhaust calculator, fast, free and save your internet data. Have you ever wanted to learn how professional engineers can hear exactly whats wrong in your mix and eq it up nice and sweet right away. Jun 08, 2015 2stroke exhaust calculator racingsm software this is a module for complex 2stroke exhaust calculation having in account several variables according to lufo racing tuner philosophy. Racingsm software for 2stroke development, also for 4strokes in some modules, create 2t exhaust, create 2stroke exhaust. Download exhaust calculator 2 free shared files from downloadjoy and other worlds most popular shared hosts.
Purchase with immediate download from digital river, shareit. You can change the barrel height or any engine parameter, the exhaust duration will stay at 180, while everything else is adjusted automatically. August 20, 2019 admin apps leave a comment on exhaust calculator 2. Racingsm software 2stroke exhaust calculator lufo youtube.
This fan calculator is typically used to calculate the cfm or cubic feet per minute of air exchange that may be desired in a building. This coefficient kh is called the horn coefficient, with typical values between one and two. Mota software, 2 stroke engine simulation software, 2 stroke exhaust design. Tuning the exhaust system can be an important component in achieving maximum power when optimizing the performance of an engine for racing or dyno shootouts. The book was published 25 years ago and is still published. Find great deals on ebay for yz250 complete engine in complete. Nov 27, 2018 follow the link to my software site and go to the 2t exhaust calc menu item and download either the stand alone program or a installer package that will create a folder and shortcuts as well as. The second table lets you enter an existing header length along with other details to get the maximum rpm of the header powerband. New feature of racingsm software, the 2stroke exhaust segment splitter.
So whether you have a 50cc road bike, a 500cc motocrosser or a classic racer, we will design the perfect exhaust system for you. As an example in these calculations, i use my 1776 cc volkswagen engine, it sends a whopping hp at 5. We shall send you a pdf document with the templates for manufacturing your exhaust. Look at most relevant two stroke software free download websites out of 5. Download four 4 stroke exhaust pipe calculator apk 14 for android.
The way a two stroke motor works causes them to be f. This conversion utility was jointly developed between frozenmist and uk to aid you in configuring your vehicle to get the most out of it. They are so simple and fun that ive always enjoyed tinkering with them. I got sick of the silly free programs and the expensive for sale programs and that wasteoftime 2 stroke wizard and so made my own expansion chamber calculator spreadsheet. Click here to download a spreadsheet that will let you figure out your engines. However, you shouldnt just pick any business that you can find anywhere. If you dont see it then scroll the page to the right. Great tool for those who are building exquisite format exhausts, one of the largest benefits of this module is that it can be used with any exhaust formula results. After our trial and test, the software was found to be official, secure and free. Our filtering technology ensures that only latest exhaust calculator 2 files are listed. You can also save and load the data by using the provided functions. Download my free calculators spreadsheet to check your computers ability. You should only rely on the experience of the very best. This small java applet uses design rules according to, and, to size a tuned pipe for a 2 stroke piston engine.
Port heights port durations required ranges of port mean areas possible ring flutter rpm mean piston speed suggests carburettor size power meter you input expected bmep value adjust port shapes for target areas in cad window. The header length is critical but too long a diffuser length can limit the maximum rpm also. Enter your engines displacement, number of cylinders, desired tuned engine speed, and exhaust header tube diameter. This pdf document will then be emailed to yourself. The formulas on this page were taken from fourstroke performance tuning by a graham bell. Those of us who have grown up in the japanese twostroke.
All download links are direct full download from publisher sites or their selected mirrors. The bendtech exh is specially designed to aid in the manufacture of exhaust tubingpipe. Whether exhausting air or bringing fresh air into a structure, the calculation produced should help to figure out the size of fans required to accomplish the air exchanges needed. Two stroke performance tuning chapter 3 porting and cylinder scavenging today, when we take a look down the cylinder of a twostroke engine, we find its walls literally filled with ports to handle the induction, transfer and exhaust phases of gas flow through the engine. The measurement required is the vertical distance from the crankshaft axis to the top edge of the exhaust port.
Follow the link to my software site and go to the 2t exhaust calc menu item and download either the stand alone program or a installer package that will create a folder and shortcuts as well as. Jan 23, 2019 2 stroke exhaust expansion chamber calculator using 3 methods. Can you tell me how i can find what numbers there is calculatof to be in these figures. The main interface of bendtech exh gives you the ability to recreate the critical components of a vehicle axles, mufflers, gas tanks, etc and then properly route the tubing around them. Look very good and i understand this program gave excellent performing pipes to others. Jukebox tools, mp3 mp2 mp1 ogg vorbis encoder player. The inputs will be engine specification and the outputs will be pipe dimensions. The following are spreadsheets for different aspects of 2 stroke designmodification.
568 73 380 198 212 1090 676 56 993 1511 1485 1419 1252 816 553 745 1065 441 840 525 1126 1485 1369 1289 1414 520 1515 682 752 534 1321 303 728 141 1165 231 996