How to Measure Step 1 – Extended Length. The Bansbach easylift® system offers you the greatest possible flexibility: Gas springs in every size, force and specification. n = number of springs R = multiplied safety force of 1. The gas springs, also called gas pressure springs, gas dampers or gas pressure dampers, will solve your individual requirements for opening, closing, tilting and damping flaps, tables, seats or loungers thanks to our decades of experience. To start viewing messages, select the forum that you want to visit from the selection below. Results 1 to 1 of 1 Thread: How to Calculate the Gas Strut Length and Force Required. Gas struts are not just found on vehicles, they are also being increasingly used in many, many applications. How do you calculate gas strut placement? Half of the height of the Hatch you are trying to keep open is taken into account when choosing the length of gas. Once you hear – click – you know that the gas strut is properly secured. After screwing the mounting parts on your application, the only thing left to do is snapping the gas strut itself into place. 6 = P x Kg H = 1200mm W= 30kg P = 200 Kg = ? = = = = = 1200 x 30 x 0. Unfortunately the pick up option will not be available through this time. Theyre also commonly referred to as gas struts. Please ensure you are inputting the door length not the strut length. Gas Strut Calculator for your DIY Campervan Build. Step 1: entry of the data Length [mm / inch] Closed angle [degrees] Weight [kg / lb] Number of gas springs Width [mm / inch] Height [mm / inch] Open angle [degrees] Position pivot point Stainless gas spring Cover material. php?f=50&t=55017 Fyddler The 300 Club Posts: 349 Joined: Sat Sep 01, 2012 2:52 pm. This will show you the weight that is being applied in that position. How do you calculate gas strut placement? – Heimduo. I did manage to find an equation to determine gas spring mounting instructions as follows: F1= (Fg x Lg / n x L1) x R Where: F1 = springs extension force Fg = force of gravity of hatch at a given angle (45deg) Lg = horizontal mount from pivot hinge to center of gravity. 1kg = 10 Newtons or 15kgs = 150N). There is danger in using a gas strut that is not specifically made for an application. Angle of opening (Degrees) vs. Use the calculator. LS = Radius of Gas Spring Force (m) F1 = Opening Force (N) G = Mass of the Lid (N) F2 = Closing Force (N) n = Number of Gas Springs Including a gas spring to. How to calculate the right gas spring. How do you measure for a gas spring lift?. Measure the gas strut from middle of end fitting to the middle of the end fitting when gas strut is fully extended. Replace Find a replacement gas strut for different brands. Find out how to select and install at gas strut Step 1: Calculate what size gas strut you need Step 2: Install the gas strut Step 3: Adjust the pressure (kg) to suit … Gas Strut - ideal mounting position & Force Calculation. The complete technical data will be send automatically. How to calculate the right gas spring For the most part, picking out the most suitable type and gauge of gas strut will depend on knowing some basic information about the measurements, angles and ratios of the doors, windows, cabinets, compartments, hatches, platforms and panels you’re looking to move, support or restrict. Gasspringshop is a gas spring provider that offers a wide range of different gas struts. com has created the possibility to calculate the correct gas spring for your application. Step 1 - Compare and safety Ensure you have the correct strut by comparing it to the original. D: Distance between hinge and mounting. They take care of the controlled movement sequence and offer the following advantages: Simple installation. Vertical Gas Strut Applications: lifting of cabinet, compartment doors, advertisement displays and etc. Account; Calculate Calculate a gas strut for your application. A gas strut calculator will take into account the direction of operation for the particular application, the operating arm, the weight and force relation. Helpful hints on Calculating Gas Strut Length,force Required and. If the gas struts do not match, then do not attempt to use the replacement gas strut. Helpful hints on Calculating Gas Strut Length,force Required and positioning — Marine and RV Supplies / TGH Marine We are sending product out the next business day all through Christmas until end of. Page 1 of 1 Formula Height (mm) x Weight of the door (kg) x 0. Installing Cabinet Gas Struts in RV Camper Conversion Trailer / 10 and 6 Strut Measurements Daniel Mid 29K views Best self closing hinge. Compare the part numbers on the gas struts. Gas struts Gas springs Liftline The gas spring, also called gas strut, gas pressure springs, gas dampers or gas pressure dampers, will solve your individual requirements for opening, closing, tilting and damping flaps, tables, seats or loungers thanks to our decades of experience. In simple terms, we’re talking about half the door height and a little more. If you do not calculate the dimensions of your gas strut correctly, it may not fit (properly). Open and close your window with a the help of a gas strut. Installing Cabinet Gas Struts in RV Camper Conversion Trailer / 10 and 6 Strut Measurements Daniel Mid 29K views Best self closing hinge. Draw an arc from the hinge point across the position of the mount point on the door in the open and closed position. The force of the gas strut will usually be marked on the barrel of the strut. By entering information such as dimensions, force and the material of the gas strut, you can easily calculate which gas strut will be able to successfully support your application. They are being found fitted to agricultural machinery doors, boat openings, beds with under storage, caravan storage compartments- if it opens, chances are, you can fit a gas strut to it!. The step by step configuration process allows you to create your required gas spring out of innumerable variants comfortably and easily. Replace your gas strut. Gas Spring Calculator Gas spring Strength development Gas spring data Send Beta version Here you can request the gas spring which fit to your case by Weforma. Crossover at 65 degrees Celsius. The Bansbach easylift® system offers you the greatest possible flexibility: Gas springs in every size, force and specification. How to Calculate the Gas Strut Length and Force Required Below is what we believe to be the simplest way to work out the pressure required for gas struts being installed to keep open any lid, door, roof window, awning. Step 1: Calculating and preparations. But we can also know the required gas spring force by calculation. Simply replace H, G and L in our formula to calculate the Nm of force required. We have created a tool that will calculate the gas struts you need. The position of the gas strut is determined by the length of the lid. The gas strut should be placed on the lid on 20% of the length. Gas springs / gas struts from SUSPA®. Y1w8JTWxHOdoPuqEk0- referrerpolicy=origin target=_blank>See full list on camloc. DOWNLOADS CONTACT Phone: (321) 253-1999 Fax: (321) 253-5546 Email: [email protected]. Just multiply the. Configure your gas spring (also known as gas strut) with our gas spring configurator. L: Distance between hinge and gravity. from what I understand, the calculation would be: force = 110* (35. Presented by: The Garage Engineer TheGarageEngineer. gas strut calculator will take into account the direction >A gas strut calculator will take into account the direction. com/_ylt=AwrFP1TNOFhkBXE_1DBXNyoA;_ylu=Y29sbwNiZjEEcG9zAzIEdnRpZAMEc2VjA3Ny/RV=2/RE=1683532109/RO=10/RU=https%3a%2f%2fcamloc. Look for a number that is followed by Nm or N. Find out how to select and install at gas strut Step 1: Calculate what size gas strut you need Step 2: Install the gas strut Step 3: Adjust the pressure (kg) to suit … Gas Strut - ideal mounting position & Force Calculation https://www. (Please see our formula below at the bottom of this article. Gas strut mounting positions. Step 5 – Order your Gas Strut. How to specify gas struts accurately. How to Calculate the Gas Strut Length and Force Required Below is what we believe to be the simplest way to work out the pressure required for gas struts being installed to keep open any lid, door, roof window, awning etc etc. How do you calculate gas strut placement? Half of the height of the Hatch you are trying to keep open is taken into account when choosing the length of gas struts. Gas struts are not just found on vehicles, they are also being increasingly used in many, many applications. Do you not yet know which gas spring to use for your application? Then go to our calculation tool. Teardrops n Tiny Travel Trailers • View topic. However, when the ambient temperature increases to 65°C (for example, in the case of an engine cover application), lift will occur almost instantaneously. Use our gas strut force calculation formula below to work out the force. Helpful hints on Calculating Gas Strut Length,force Required. As a general rule, Camloc’s preferred mounting is the ‘Push Up. With just a few clicks, users can access a wide range of online calculators that can perform calculations in a. 2) Select gas spring. In general the length to choose for gas struts is about 55% of the height of the door you are trying to keep open. Murphy Bed : 5 Steps (with Pictures). Gas strut installation calculation sheet Gas struts. In both cases, the spring should always be mounted rod down when in the fully closed position to ensure proper lubrication of the seal package. Terry takes us through the technical science (and the Pub science) behind choosing the right gas strut for your job. Terry takes us through the technical science (and the Pub science) behind choosing the right gas strut for your job. To help maintain roofing warranties, flashing can be installed around the Strut KnuckleHeads and either heat welded to the strut and roofing material or installed using a commercial roof-friendly adhesive. Gas strut installation calculation sheet Gas struts. The compressed gas offers a controlled way of storing and releasing energy as smooth, cushioned movement, transferred via a sliding piston and rod. Terry takes us through the technical science (and the Pub. If for example the scales read 20kgs then you need at least a 200N (20kgs x 10) strut to hold the weight. D, means the distance between hinge. Find out how to select and install at gas strut Step 1: Calculate what size gas strut you need Step 2: Install the gas strut Step 3: Adjust the pressure (kg) to suit … Gas Strut - ideal mounting position & Force Calculation. 241 views, 2 likes, 0 loves, 0 comments, 1 shares, Facebook Watch Videos from SGS Engineering: A gas strut calculator will take into account the direction of operation for the particular application,. This stands for a gas spring with a rod diameter of 8mm, a cylinder diameter of 19mm and a stroke. Gas struts should be fitted roughly 20% from the hinge, so once again if our door has a 1000mm drop, 20% from hinge point would be 200. You may have to register before you can post: click the register link above to proceed. Draw an arc from the hinge point across the position of the mount point on the door in the open and closed position. Show more Show more How To Choose The Correct Gas Struts For The Job Dunn. Posted in HVAC, Knuckleheads, Support. It is important to mount your struts with the bigger tube at the top as shown above. In some cases, it is impossible to measure your lift strut’s size without removing the support. 88 by 32, round the number, and that gives you the /32s. How to Measure RV Gas Struts : RV Help Center. The way you would check the adequacy of the force of the strut, is by decomposing the weight of the lid and strut force into vectors perpendicular to the lid and taking the moment about the hinge. The gas springs, also called gas pressure springs, gas dampers or gas pressure dampers, will solve your individual requirements for opening, closing, tilting and damping flaps, tables, seats or loungers thanks to our decades of experience. Ensure you have the correct strut by comparing it to the original. After screwing the mounting parts on your application, the only thing left to do is snapping the gas strut itself into place. 3048 m Pipe Supports - Maximum Spacing (pdf) Sponsored Links Related Topics Dimensions - Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more. Enter the dimensions of the application. Calculate and design your own gas spring application now!. So youll have something like mgcos (a)*d1 = F (strut,perpendicular)*d2. n: Number of gas springs to be used. You can do so by making use of a Use the. Next to our standard product range, it. As a general rule, Camlocs preferred mounting is the Push Up. Simply replace H, G and L in our formula to calculate the Nm of force required. Use our gas strut force calculation formula below to work out the force needed. It supports heavy lifting and assists opening and closing. What size struts you require: At Dunn & Watson we suggest a strut near 60% of the door drop, so if we have a 1000mm door drop our 595mm gas struts are ideal. Therefore, we suggest you measure the body (not the shaft) of the unit from the end that has the Ball Socket, Eyelet, or Rivet (if a bracket is used) to the area where the shaft begins and then add 0. How to Install Gas Struts Hatch Supports. Installing Cabinet Gas Struts in RV Camper Conversion Trailer / 10 and 6 Strut Measurements Daniel Mid 29K views Best self closing hinge. Mount the top of your gas strut at this point. There are two differing mounting orientations available to the designer, these are ‘Push Up’ and ‘Flip Over’ mountings. Learning how to Install lift supports doesn’t have to be a major pain in the neck. Calculate your gas strut with an installation calculation …. The way you would check the adequacy of the force of the strut, is by decomposing the weight of the lid and strut force into vectors perpendicular to the lid and taking the moment about the hinge. from what I understand, the calculation would be: force = 110* (35. Helpful hints on Calculating Gas Strut Length,force Required and positioning — Marine and RV Supplies / TGH Marine We are sending product out the next business day all through Christmas until end of January. Crossover at 65 degrees Celsius. CONFIGURATOR DOWNLOADS Catalog Download! You can find detailed product information in our Catalog. Investigate which material the application is made of. Helpful hints on Calculating Gas Strut Length,force Required and positioning — Marine and RV Supplies / TGH Marine We are sending product out the next business day all through Christmas until end of January. Vertical Gas Strut Applications: lifting of cabinet, compartment doors, advertisement displays and etc. door 1000mm long H would be 500mm) = Dead weight of door in Newtons (e. Measure the thickness of the application. How to Install Gas Struts. You can do so by making use of a calculation sheet. This is the distance from the rotation point of the hinge to the top mounting point of the gas strut. There are two differing mounting orientations available to the designer, these are Push Up and Flip Over mountings. Find out how to select and install at gas strut Step 1: Calculate what size gas strut you need Step 2: Install the gas strut Step 3: Adjust the pressure (kg) to suit your door. A gas strut calculator will take into account the direction. The position of the gas strut is determined by the length of the lid. Ensure you have the correct strut by comparing it to the original. Gas Spring Calculator Gas spring Strength development Gas spring data Send Beta version Here you can request the gas spring which fit to your case by Weforma. How Do You Calculate Gas Strut PlacementWhat size struts you require: At Dunn & Watson we suggest a. Step 3 – Newton Meters or Force. So youll have something like mgcos (a)*d1 = F (strut,perpendicular)*d2. Note that its for an assumed 220 lb bed, since I ran out of dimensions to graph things on. Cut the pole so you can put a scale under it, while bracing the scale perpendicular to the pole. If you have a door that is 1000 MM in height it would be a good idea to use a long gas struts. For the most part, picking out the most suitable type and gauge of gas strut will depend on knowing some basic information about the. If you have a door that is 1000 MM in height it would be a good idea to use a long gas struts. Helpful hints on Calculating Gas Strut Length,force Required and positioning — Marine and RV Supplies / TGH Marine We are sending product out the next business day all through Christmas until end of January. 6 And, number of springs left at 2. Use this formula to determine the strut force required: Weight of Lid (pounds) x Distance from Hinge to Hatch Center Line (inches) ——————————————————. Anyone know how to calculate the position of Gas. Gas Spring and gas strut installation handling forces chart. How to Calculate the Gas Strut Length and Force Required; If this is your first visit, be sure to check out the FAQ by clicking the link above. Now using the scaled size draw 2 arcs from the pivot point of the gas strut, one from the fully compressed length of the strut and one for the fully open length. How to install gas struts - YouTube 0:00 / 14:43 How to install gas struts New Brit Workshop 75. com%2fus%2fhelp-centre%2finstalling-gas-struts%2fgas-strut-mounting-positions%2f/RK=2/RS=pKbEsf3h. Refer to picture B-1 if you can collapse. Hopefully these plots will allow you to make a decision on what tradeoffs you want to accept if you rearrange the gas springs mounting point on the frame. By entering information such as dimensions, force and the material of the gas strut, you can easily calculate which gas strut will be able to successfully support your application. Terry takes us through the technical science (and the Pub science) behind choosing the right gas strut for your job. Take a long pole and simulate the positioning of the gas springs, when the lid is in the full open position (best done in the middle of the lid, between where the gas springs will mount). 241 views, 2 likes, 0 loves, 0 comments, 1 shares, Facebook Watch Videos from SGS Engineering: A gas strut calculator will take into account the direction of operation for the particular application,. 150 lb gas struts were used to assist with lifting and lowering the bed. All of our springs are applicable on many objects such as windows, hatches, trailers, cabinets, boxes and doors. Determine the total weight of the application. It can also be identified by the moving mounting point being located further away from the hinge than the fixed mounting point. 241 views, 2 likes, 0 loves, 0 comments, 1 shares, Facebook Watch Videos from SGS Engineering: A gas strut calculator will take into account the direction of operation for the particular application,. This is where I become confused. D, means the distance between hinge and the gas spring, and the gas spring is in an extended state. How do you calculate gas strut placement? Half of the height of the Hatch you are trying to keep open is taken into account when choosing the length of gas struts. There are two differing mounting orientations available to the designer, these are ‘Push Up’ and ‘Flip Over’ mountings. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Crossover at 65 degrees Celsius. Force (F1) Calculator Please insert required parameters accordingly. As the name suggests, these springs rely on pressurised gas - along with some oil-based lubricant - to support or oppose a range of external forces. CAD Configurator CAD files for your individual Gas Spring or easyE-line actuator ?. Find out how to select and install at gas strutStep 1: Calculate what size gas strut you needStep 2: Install the gas strutStep 3: Adjust the pressure (kg) to. To start viewing messages, select the forum that you want to visit from the selection below. Measure the gas strut from middle of end fitting to the middle of the end fitting when gas strut is fully extended. Step 1 Input the length of your door in MM as measured in Step 1 on this page. This is the “up-down” measurement, the side. Selecting and Calculating Gas Springs. Show more Show more How To Choose The Correct Gas Struts For. These are connected using 10mm ball stud brackets, one on each side of the bed frame and one on each side of the cabinet. How do you calculate gas strut placement? Half of the height of the Hatch you are trying to keep open is taken into account when choosing the length of gas struts. Each gas strut is specific to an application and/or vehicle. Determine the position of the pivot point. How to Calculate the Gas Strut Length and Force Required Below is what we believe to be the simplest way to work out the pressure required for gas struts being installed to keep open any lid, door, roof window, awning etc etc. Remember to take into consideration any extra weight such as a. How to Calculate the Gas Strut Length and Force Required Below is what we believe to be the simplest way to work out the pressure required for gas struts being installed to keep open any lid, door, roof window, awning etc etc. The way you would check the adequacy of the force of the strut, is by decomposing the weight of the lid and strut force into vectors perpendicular to the lid and taking the moment about the hinge. How to Fit a Gas Strut - YouTube How to Fit a Gas Strut Co-Mac Group 931 subscribers Subscribe 216K views 5 years ago Updated Version: • How to Install Ga Find versatile, adjustable gas. Find out how to select and install at gas strut Step 1: Calculate what size gas strut you need Step 2: Install the gas strut Step 3: Adjust the pressure (kg) to suit Gas Strut -. Step 1: Calculating and preparations. Gas Springs (Push Type) GS-8 to GS-40 Step 1 Please select the position of flap and pivot point Hinge horizontal Vertical top Oblique position Details of Flap Length mm Width mm Height mm mm kg Simulation Your Browser does not support X3DOM Read more about Browser support on: X3DOM / Browser Support WebGL is not yet supported in your browser. You can use our configurator tool if you are already. How to Fit a Gas Strut - YouTube How to Fit a Gas Strut Co-Mac Group 931 subscribers Subscribe 216K views 5 years ago Updated Version: • How to Install Ga Find versatile, adjustable gas. You will find a more detailed explanation of how you can best use the configurator below. How to Fit Gas Strut To Just About Anything. We can say with great certainty that this is the most important step in the installation process, namely determining the right gas strut for the application. Follow these steps to calculate a gas spring: Decide what you want to use the gas spring for. (d) distance from the hinge is recommended at approximately 20% of the panel length. Gas strut / spring size for floor trap door. Calculate half the dimension of what you are lifting (H), Weight of what you are lifting (G), Mounting distance from the hinge (L) What size struts you require. length: 729 [mm] Gas Spring Designation: Applicationclose Flap Select Hood Select Gas Traction Spring Select. com/threads/gas-strut-ideal-mounting-position-force-calculation. Gas springs Up to 200N. We Manufacture Your Gas Spring! The Bansbach gas spring configurator offers you the advantage of designing your gas spring from a wide range of in stock components. Help Selecting The Correct Gas Strut. Angle of opening (Degrees) vs. This type of mounting can be identified by the end at the lowest point of the gas spring when closed rotates to the highest point when fully open. 4K subscribers Subscribe 994 277K views 7 years ago My mobile cabinet for the X-Carve CNC needs. In general the length to choose for gas struts is about 55% of the height of the door you are trying to keep open. How to mount gas springs effectively. To learn more about our strut supports and to request pricing, call us at 888-672-9897. How To Fit Gas Struts To Just About Anything! / Help & Advice. PDF How to Calculate Pressure (Kg) Needed for a Gas Strut. Compare the part numbers on the gas struts. Selecting and Calculating Gas Springs - DICTATOR. You can do this easily by snapping the extended strut onto the mounting parts. This stands for Newton Metres, a. Therefore, we suggest you measure the body (not shaft) of the unit from the one end that the support has the Ball Socket, Eyelet, or Rivet (if a bracket is used) to the area where the shaft begins and add 3/4. A gas strut calculator will take into account the direction of operation for the particular application, the operating arm, the weight and force relation. How To Calculate Required Gas Strut Pressure. Terry takes us through the technical science (and the Pub science) behind choosing the right gas strut for your job. How to Measure Your Gas Struts. Gas struts Gas springs Liftline The gas spring, also called gas strut, gas pressure springs, gas dampers or gas pressure dampers, will solve your individual requirements for opening, closing, tilting and damping flaps, tables, seats or loungers thanks to our decades of experience. Terry takes us through the technical science (and the Pub science) behind. (Youll also need to check if the gas springs have the range of motion required beforehand too. Find out how to select and install at gas strut Step 1: Calculate what size gas strut you need Step 2: Install the gas strut Step 3: Adjust the pressure (kg) to suit … Gas Strut - ideal mounting position & Force Calculation https://www. If the gas struts do not match, then do not attempt to use the replacement gas strut. Presented by: The Garage Engineer. How to Calculate the Gas Strut Length and Force Required If this is your first visit, be sure to check out the FAQ by clicking the link above. A common rule of thumb is to support loads of this type with hangers on both sides of the load. Once you have decided on the length of the Gas Strut, you need to calculate the force required by using the chart below (or use our Installation Calculation sheet): L = Mounting distance from the hinge = Half the length of the door (e. Step 3 - Newton Meters or Force. 6 = P Dimension x Kg Needed H x W x 0. Terry takes us through the technical science (and the Pub science) behind choosing the right gas strut for your job. You can use our configurator tool if you are already. We have created a tool that will calculate the gas struts you need. Step 1: entry of the data Length [mm / inch] Closed angle [degrees] Weight [kg / lb] Number of gas springs Width [mm / inch]. How to Install Lift Supports. A gas strut is an adjustable element. G, means the gravity,normally, gravity equals weight multiplied by 9. 16, so it would be 28/32 (or simplified to 7/8) To err is human, to really foul up requires a computer Build Log: http://www. But we can also know the required gas spring force by calculation. How do you measure strut support? Measure the Retracted Length In some cases, it is impossible to do this without removing the support. They are being found fitted to agricultural machinery doors, boat openings, beds with under storage, caravan storage compartments- if it opens, chances are, you can fit a gas strut to it!. Next, let me introduce how to calculate the force. LS = Radius of Gas Spring Force (m) F1 = Opening Force (N) G = Mass of the Lid (N) F2 = Closing Force (N) n = Number of Gas Springs Including a gas spring to the earlier example, the size of the gas spring required can be estimated using the following (simplified) formulas. Pick the position where you think the gas strut will be located and place the timber and scales there. Now using the scaled size draw 2 arcs from the pivot point of the gas strut, one from the fully compressed length of the strut and one for the fully open length. A gas strut is an adjustable element. How to Measure Step 1 - Extended Length. On the gas strut chart, you will see a length at 90° (P) Measurement. To determine the length of gas strut needed you to should begin by measuring your van cabinet door face. A gas strut calculator will take into account the direction of operation for the particular application, the operating arm, the weight and force relation. We Manufacture Your Gas Spring! The Bansbach gas spring configurator offers you the advantage of designing your gas spring from a wide range of in stock components. You may have to register before you can post: click the register link above to proceed. Step 3 Estimate or Measure distance from the hinge point. This type of mounting can be identified by the fact that the end at the lowest point of the gas spring when closed, remains in its lowest position when fully open. You can do so by making use of a calculation sheet. What size struts you require: At Dunn & Watson we suggest a strut near 60% of the door drop, so if we have a 1000mm door drop our 595mm gas struts are ideal. In the menu above, for the gas spring you can also choose stainless steel 304. 43 At this point, I was feeling pretty savvy and bought two springs that had 150 lbs of force, thinking this would be perfect. Required Parameters P: Center of gravity. Im thinking I then go to finding gas struts that will extend to this value (or close) and enter the actual I find. How to Install Gas Struts And Lift Supports When it comes to the basic installation of gas struts, you’re bound to have plenty of questions. How to Measure Step 1 – Extended Length. G, means the gravity,normally, gravity equals weight multiplied by 9. Gas Spring and gas strut installation handling forces chart. When you order via our webshop, we will ship your order within 1-2 working days. Step 1 - Compare and safety Ensure you have the correct strut by comparing it to the original. Step 2 Measure the weight of the door (please use KG). Stroke Length Ensuring that you have the proper-sized lift support struts for your car is essential for your hoods, trunks, and lift gates to work correctly. Merry Christmas and happy new year be safe out on the water. Gas strut installation calculation sheet Gas struts. To help maintain roofing warranties, flashing can be installed around the Strut KnuckleHeads and either heat welded to the strut and roofing material or installed using a commercial roof-friendly adhesive. Use our gas strut force calculation formula below to work out the force needed. Measure the Retracted Length 3.