Chassis and Suspension - 4 Link Basics. Vehicle travel is simulated by dragging the image with the mouse or with a scroll bar. Operating similar to a four-link suspension, the force-transfer link bar transmits forward thrust from the … Race Car Suspension Geometry - Race Car Suspension Geometry Software Free - Google Docs December 1, 2020 at 6:41 am 8. racing aspirations » Suspension Geometry Calculator […] Enter your 1/4 mile race car's information into our calculator to see how well you will perform. As you drag the mouse (or the scroll bar), the car moves up and down in response. Drag Performance Calculator By AssassinRacing.com Calculate the theoretical 1/8 Mile ET, 1/4 Mile ET, 1/4 Mile Top End Speed, and Ideal 1/4 Mile Gear Ratio for a given application based on the Vehicle Weight (in pounds), Vehicle Horsepower (at the flywheel), RPM through lights (finish line), and Tire Diameter (Height) in Inches. See my Free Android Drag Racing Calculator App in the Google Play Store The Baseline Suspensions calculator has plotted YOUR geometry below. Download. The program's installer is commonly called 4link.exe. Over the years, drag racers with door cars have gone through all sorts of suspension arrangements. His formulas (slightly rearranged) are: visualize how much the chassis and links have moved. Free tutorial videos for hardcore drag racers. Lift bars, slapper bars, Super Stock springs, leaf links, ladder bars, three-links, four-links, and torque arms (there may be others too, but it’s a start). An 11% driveline loss is assumed for Wheel HP. My goal is to end up with 31.75” center to center length 4-links, in the middle of the adjustment range. ... 1/4 Mile MPH Calculator by RPM, Tire Height, Rearend Ratio, Trans Ratio, & Converter Slip. This is, after all, the force we use to move the car and no matter which class you run, the name of the game is to move the car. Programs for query ″4 link suspension calculator″ FireSMS-2.5.4.0. Of all of the systems, the most common you’ll see today is the equal length four-link, probably followed by the ladder bar. Regular retail price is $149, but the special Price is just $129 Racer Net. ... Warranty returns are void if the vehicle is used for racing or the damage is caused due to accidents or abuse. To understand how a 4-link can be made to provide such handling, you must first understand a few basics about rear suspensions. For extra strength, this kit features our high quality 1-1/2" .095" 4130 Pro Series 4-link bars. Download. That’s where Rick Jones Race Cars and Quarter-Max come to the table. Attached is my current setup from the 4-Link Calculator program, with Dave Morgans suggestions, for a 3200 lb car, marked in green. The first step in either building a 4-link suspension or troubleshooting an existing suspension is to download one of these Triaged calculators created by Dan Barcroft and plug in the dimensions and weights it asks for. You can now use your PC to locate all possible IC’s for any 4-link. That’s where Rick Jones Race Cars and Quarter-Max come to the table. I used to have an old DOS based package when I was into drag racing but can't get it to run in Win7 or my XP VMs. You enter heights above the ground and distance ahead of the front axle for up to 6 holes for all 4 brackets for your car, or any number of cars. Theory & Help Instructions - I was asked to make this post here, by one of the Moderators. Instant Center Lenth: 52.76" Instant Center Height: 10.47" The plot below is what your geometry would look like with the Baseline Suspensions Prolaunch UCA's installed. Huntington also determined a formula for 1/4-mile elapsed time. will be selected here and in the input page. which hole combination generates this instant center location. Drag Race Analyzer Drag Race Analyzer v3.4 B - 13.4 MB (Windows installer, currently v3.4 B.011) to see the Drag Racing Analyzer most recent changes (readme.doc file) We've kept this older v3.4 A around for those who want the latest v3.4 A program, which could be a no charge update. There is no comparison to any other 4-Link software available! You can point at any instant center location marker and the pointed location's statistics are listed, including Regular . For 60 foot, 330 foot and 660 foot split as well use our quarter mile calculator with incremental. Tim McAmis Performance … - Calculates all possible instant center locations plus percentage of rise and squat. Quarter-Max's Extreme Pro Series 4-Link Kit offers more strength and adjustability than our standard Pro Series kit. Anti-squat values may change considerably, but the IC is still the same. Download the 4-link calculator directly from Busted Knuckle Offroad! Vehicle Weight (in pounds) Vehicle Horsepower: RPM through lights (finish line) Tire Diameter (Hght.) We have had 5 of our 11 races and I sit 2nd in points and finished 2nd last weekend on a 98 degree day when a lot of cars were having trouble getting down the track. 4-LINKS A 4-link is definitely superior to ladder bars. Is this the same one posted somewhere on Pirate? PHONE & ONLINE ORDERS ARE STILL BEING PROCESSED AS USUAL* 636-338-4912 | Order Toll Free: 1-800-980-9656. The popularity of the 4-link suspension is due primarily to its ability to let the race car turn freely in the middle of the corner without compromising forward bite. Graph of instant center position movement, Graph of instant center locations for all hole combinations, Economical & Accurate Laser Suspension Measuring. Most people looking for 4 link suspension calculator downloaded: 4 Link Calculator. Select Rear Suspension. 4-Link Suspension Geometry Simulation Vehicle travel is simulated by dragging the image with the mouse or with a scroll bar. I have since added quit a bit more to it. If you want to check your 4 link setup, go to a chassis shop or find someone with portable race scales. You enter heights above the ground and distance ahead of the front axle for up to 6 holes for all 4 brackets for your car, or any number of cars. Vehicle Weight (in pounds) Vehicle Horsepower: RPM through lights (finish line) Tire Diameter (Hght.) in Inches : 1/4 Mile ET: 1/4 Mile Top End Speed: Ideal 1/4 … retail price is $149, but the special Price is just $129 Racer Net. The 4-Link Calculator lets you input, view, save, analyze and compare your 4-Link rear suspension geometry. The days of plotting your 4-link on the garage floor or on the side wall of your trailer are over. Download a 4-LInk Calculator. Selecting a Rear Suspension Product Tech Chris Alston Explains Drag Racing Suspensions Chassisworks’ exclusive front crossmember features a tighter bend, more adjustment holes and stronger, 360-degree brackets. DRAG PERFORMANCE CALCULATOR. … Notice there are no IC points, in the suggestions box, below the neutral line. (i.e) from starting point to end line. You can also enter other measurements like Wheelbase, Pinion Angle, etc. Also solve for RPM, Tire Size and MPH. The program generates a plot of up to 625 instant centers. Four link bar kits, adjustable 4-link brackets, housing plates, 4-link bolt kits and more! Use this to predict what your time card will be on the quarter mile. All these measurements are saved in the library for retrieval, analysis or modification in the future. This calculator is the same calculator used in the Busted Knuckle Rock Rods and Tech Tuesday videos! Then you will be able to tell if each side is preloaded the same. Over the years, drag racers with door cars have gone through all sorts of suspension arrangements. Download 4 link suspension calculator for free. Along with the movement of the chassis, the front link attachment points move, and the rear ones move correspondingly. Four-link kits are available with or without crossmembers, and with or without diagonal links included. You can graph 4-link suspension geometry as well. Drag Racing Calculators,Calculators to find 1/4 mile ET and MPH, CID,Piston Speed,gear ratio,carburetor size,margin of victory,Engine calculator, Calculates relative horsepower, air density, density altitude, virtual temperature, actual air pressure, vapor pressure and dyno correction factor and more. This program is an intellectual property of Performance Trends Inc. Before we get too involved, a little primer in four-link dynamics. LADDER-BAR LENGTH Anyone who tells you that … With an updated look, and more modern features including a new generation dash, an interior glovebox, and compartments for other tools, our new dragsters are ready to take you to the winners circle at the next big money bracket race, National Event, or Divisional race. Our quarter mile calculator for drag racing provides the et time (seconds) and trap speed (mph) based on the horsepower and weight of the vehicle. Mr. Huntington presented his graph for predicting 1/4-mile terminal speed in an article titled Horsepower at the Drag Strip, pages 50-53 in the December 1958 issue of Rod & Custom magazine (thanks go to Earles McCaul for this information).
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