Sparklingclean pool and spa water invites a healthy, active lifestyle. It is easy to learn how to use a dive time calculator, but you should do this only after you are familiar with the procedures for planning dive time limits using the dive tables. Anti dive for a double a arm setup is calculated using the following formula. This height difference and the driving force will create a torque that tries to push the rear suspension out. The more antidive, the less the front of the car will compress during braking, at a cost to comfort and increased chance of brake lockup. Its many automotive suspension calculations and suspension graphs make it easy to find out what you need to know. Locate the front centers of the suspension from the vehicles side view. Open the oceanlog program and create a new dive log for yourself. In a time when power and performance were paramount, the superbike manufacturers of the seventies and eighties were busying themselves with update after update. The reason behind the anti dive method with your front suspention is that when you slam on the brakes your callipers want to spin with the rotation of the tire. The suspension travel analysis allows you to see what happens to the suspension during travel. I recently learned that higher values of both antidive and antisquat are disadvantageous. Anti dive and anti squat percentage are always calculated with respect to a vertical plane that intersects the vehicles center of gravity.
Draw a line from the tire contact patch through the instant center. Antidive refers to the amount of builtin antidive in the front suspension of any car relies on braking torque. Calculate anti dive, anti lift, and anti squat percentages for inboard brakes, outboard brakes, independent suspension, and solid axle suspension. Scuba diving calculators free software downloads and. Anti dive describes the amount the front of the vehicle dives under braking. Meet new scuba divers, maintain a virtual dive log, participate in our forum, share underwater photos, research dive sites and more. Jun 03, 20 i am relatively new to diving and brand new to this site and am looking for dive log software to use with my oceanic geo 2. It will take a little while to get used to the software, its.
Of course, everyone who knows ron knows his favorite place is not behind a computer, but at. Nov, 20 3 sads suzuki anti dive system or maybe just stick with sad all of the factories were at it, and all trying to outplay the other. Pro dive on the lf might help set you into the turn maybe you will be able to run a little less stagger by using a small amount of pro dive at. Use of the results from this calculator for any dives that may or may not require decompression should only be used in conjunction with approved dive equipment and planning software. This demo version can be turned into the full retail version of the program without further downloads. Antidive and antisquat percentage are always calculated with respect to a vertical plane that intersects the vehicles center of gravity.
This calculator uses the most current fina degree of difficulty formula. Using the easyox dive calculator without proper decompression procedures or training will result in death. If the dd can be calculated then a table will be displayed listing the dd for all board levels. Suspension tuning can be used to change the way the car behave on different track and road conditions, playing to your car. Running anti dive might allow you to run the soft springs that help in the middle or over bumps as the mechanical resistance created by anti dive carries you over the braking portion of the track. Upon installation you will have a demo version valid for 30 days. We have 5 programs that work with anti dive when conducting suspension simulation. The anti squat of a motorcycle is caused by the swing arm suspension system. Sbscoring is a palmos program that calculates dive scores for springboard and platform diving competitions.
In this article well cover what we consider to be the three most important elements. This screen also lets you calculate anti dive, and important handling parameter. Now you can get all the racewise chassis school material in an easytouse software program for your home computer. Antisquat and accelanti both refer to the front suspension. The dive time calculator also reduces the errors that are often made when reading dive tables. Suspension calculations include coil and leaf springs, anti roll bars, animated suspension geometry analysis with roll center and instant center for dual aarm and strut suspensions. I cannot share linkage software graphs but here is the publication of antonio osunas blog. Engineers find a way to overcomplicate what is simp. Use of the results from this calculator for any dives. Drysuits multi languages sept 2019 easydon dry gloves manual. Antisquat suspensions are used to reduce body squat by altering the rear suspension so that the forces resulting from accelerating pass through the control arms and suspension linkage rather than. This demo version will allow you to create and run a high school 6 or 11 dive event with up to 3 divers. Jun 11, 2019 the data for dive profiles including the display of calculated data.
I am relatively new to diving and brand new to this site and am looking for dive log software to use with my oceanic geo 2. Anti squat, anti dive and anti lift geometry which will be referred to as anti geometry when discussing them as a whole is a form of geometry at the front and rear wheels that alters and controls the amount that a car will compress the springs due to acceleration, deceleration or braking conditions. This week i did some work to determine the roll center height of the car and decided on switching from rod end bearings to spherical bearings to improve the. Diving can be dangerous, especially when going beyond 40 meters, with any gas mixture, including air 21% oxygen. Susprog3d is the premier kinematic suspension design and analysis tool. Mostly used by trainers and recruiters, test invite provides an easytouse exam builder that can create exams from very basic to highly complex. Jul 29, 2015 anti dive and anti squat explained rock rods tech duration. Our software is complicated and has many more applications than other software you may have used in the past or are currently using. Whenever accelerated, vehicle has the tendency to pitch up i. Design patterns are typical solutions to common problems in software design.
The squat or anti squat behaviour depends on many parameters like. Faq download support directions for how to install usb. I recently learned that higher values of both anti dive and anti squat are disadvantageous. However geometry software like suspact is needed to oversee the complete picture of this. Now, the excel exports item antidive, antilift and brakeanti all refer to the front suspension braking anti dive, and the rear suspension braking anti lift values. Each pattern is like a blueprint that you can customize to solve a particular design problem in your code.
I also learned that typical values usually are from 0% to 50%. I changed the deco ceiling calculation formula which made the results more consistent with other dive planning software. Calculation utility screens to determine spring, torsion bar and anti roll bar rates. Anti squat, dive and lift geometry geometry explained. I guess it kept them honest, and the punter was happy to benefit from the very latest in sports bike technology. If this is the first time you are downloading and using our software, follow the steps below. For windows 7, 8 and 10 with opengl see the faq for more details faq for more details. The vpmb decompression model is well suited to todays technical diving. For more grip normally higher anti squat is used and we go the other way with less grip.
Retirement budget calculator a great budget makes a. Buying a dive computer is a jungle of seaweed no matter if its your first dive. Pointing all four wheels the same direction is the way to find consistency and speed. Speedwiz suspension pro has all the car suspension calculations and suspension simulations you need to build and modify great cars, trucks, motorcycles, and boats. Last time, we talked about antisquat, which is a frames rear suspension designs resistance to compression under acceleration and pedaling forces. Jul 28, 2007 that the axle in question is the only one reacting any torque. If you want some other value multiply the loads by that value. Usually, 050% of anti dive and anti squat is provided in modern cars. It happens because of change in inertia, in a similar fashion that pushes us into the seats when we accelerate. The rotational point of the swing arm is above the point where the motorcycle drives itself the ground. Easy and fun to use, suspension pro will give you results immediately with no tedious setup and learning. Paul also offers a book on the subject of tire selection. He utilizes the pt engine analyzer to see trends with engine combinations. A 100% anti dive geometry means there would be no pitching motion of the vehicle which would mean all load due to weight transfer will be bear by suspension arms which results in the decrease in the level of comfort of the driver.
It can handle your smallest dual meet all the way up to a national level championship. The result is 16 of the best dive computers on the marked today. The goal of this article is to dive into some of the most common security antipatterns teams fall into and just why they can be harmful. Vplanner is a decompression program that uses the varying permeability model for decompression profiles. Antisquat over 100% resulting into wheel hop under braking and antidive over 100% resulting into noises of some sort. The big four japanese factories continually pushing themselves to bring out the biggest and, perhaps more. One of the most common questions we get about suspension setup and tuning is how 4link geometry affects the performance and handling of a vehicle. Motorcycle anti squat motorcycle geometry software suspact.
Mar 20, 2020 looking forward to the anti dive article as this is a little less clear to me. Ive tried oceanics oceanlog and divepal, but both feel like they were designed in about 1987 and are not easy to use. Ostc planner is a dive planning software that shares decompression code with the dive computer from heinrichs weikamp. Fixed the bad surface pressure formula and bad conversion to metric units.
More details screen lets you more exactly locate the single 2d frame mounts from the 2 actual frame mounts. Pentair s solutions are engineered to filter, clean and sanitize water to its purest state, while automation equipment makes it all easy to control from anywhere so that you can truly enjoy your pool and spa. The longer lever arm created by the adjustment scenario in the prior paragraph compresses the rf spring more than it would have in our baseline set up. Oct 04, 2018 whether youre seeing the term antirise or antidive opposite way of measuring the same basic thing, all suspension systems with rear brakes have it. Torben is a dive nut, with a passion for dive gear and especially dive computers. Diving calculators by altitude diving calculator calories burned while scuba diving estimated diving weight calculator lift bag sizevolume calculator maximum operating depth.
I upgraded and the antilift values exported to excel are different. Anti dive suspension geometry with inboard or outboard brakes. When building a 4link suspension, the lengths of the links, their positioning, and the angles at which they are mounted, will all determine how the suspension affects the vehicle chassis under acceleration, braking, and cornering. The downsides are it is only capable of 15 of suspension movement simulation and. Stop guessing and start winning learn the facts of front suspension geometry with this informative cdrom computer software. It has been successfully used for over 10 years at club, high school. Download springboard dive score calculator for free. The basics of anti squat, anti dive, and roll center. Conceptually, anti dive is not really a difficult geometric program to understand. Calculate antidive, antilift, and antisquat percentages for inboard brakes, outboard brakes, independent suspension, and solid axle suspension. When a car is decelerating due to braking there is a load transfer off the rear wheels and onto the front wheels proportional to the center of gravity height, the deceleration rate and inversely proportional to the wheelbase. Aarm length and mounting height have a dramatic effect on instant center location. A dive time calculator might not always be available, but dive tables. Click on dive in the left hand column, you will get a window to add dive options 6.
The program includes support for judging panels composed of two to seven judges. Suspension geometry part 1 camber, toe, caster, kpi, scrub radius. Antisquat antisquat is a concept used to determine how much the rear of a chassis will squat under acceleration as a result of the rear geometry. May 29, 2017 whenever accelerated, vehicle has the tendency to pitch up i. This will separate your dive log from the sample divers log. List of 22 classic design patterns, grouped by their intent.
One of the most common questions we get about suspension setup and tuning is how 4link geometry affects. Ostc planner dive planning software that matches your wrist. Click on the icon to the right of the red exit square. Suspension calculations include coil and leaf springs, antiroll bars, animated suspension geometry analysis with roll center and instant center for dual aarm and strut suspensions.
The results from the easyox dive calculator are not to be used by any person or persons that have not been trained in the use of diving with breathing gases other than air andor the proper use of current decompression models. Because anti lift can apply to either front braking or rear acceleration, this was changed in v4. Do not put any spaces between the dive number and the position. While it sounds like a simple inverse, its actually quite different as it has little to do with pedaling force, and much more to do with braking forces and the subsequent shift of your weight. For example, a forward 112 somersault in the pike position would be entered as 103b. Suspension calculations and suspension simulations. Carrying an inventory of aarm lengths gives you more instant center adjustment choices right at the track. Racewise rwfront front suspension geometry software. Determining the optimum percentage of antidive and anti. Conversely anti dive is used to describe how much a chassis nose dives under braking. Anti squat over 100% resulting into wheel hop under braking and anti dive over 100% resulting into noises of some sort.
Looking forward to the antidive article as this is a little less clear to me. One bike will have more antirise than another, but if your wheel goes up and down when you hit stuff and you have a rear brake, youre in on the party. Apr 01, 2020 easy and fun to use, suspension pro will give you results immediately with no tedious setup and learning chores. Conversely antidive is used to describe how much a chassis nose dives under braking. The advanced inputs for this calculation instant center positions and cg height can be easily calculated using the calculations in speedwiz. Racewise provides the technical understanding of suspension and tire performance that racers must have in order to make no guesswork decisions. We can reduce understeer and oversteer characteristics with the adjustments of antiroll bar sway bars, bump and rebound, ride height, spring rates, corner and static weights. Anti squat anti squat is a concept used to determine how much the rear of a chassis will squat under acceleration as a result of the rear geometry.
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