Calculate Your Own Gas Strut – Gas struts calculator

Gas strut calculator is coming. We can solve all your calculation problems related to gas sturt. Gas struts calculator (also called gas spring calculator/gas shock calculator) Determining the appropriate gas strut length is crucial for optimal performance. Here’s a guide on how to calculate:

GASTAC, a leading Chinese gas springs struts manufacturer, offers advanced production technology and a skilled manufacturing team. For custom gas springs, contact sales@gastac.com. For standard lift support specifications, visit the GASTAC online store for easy purchasing and reliable solutions.The following are the types of gas springs that GASTAC can provide:


Stainless Steel Gas Struts

  • MOQ: 100PS
  • Prices: 10USD
  • Stainless steel gas struts provide support and cushioning for boat lids, hatches, and doors, ensuring smooth operation and durability in various conditions.

Locking Gas Springs

  • MOQ: 100PS
  • Prices: 8USD
  • Locking gas springs provide controlled movement and stability, allowing parts to hold positions securely while offering easy actuation for various applications.

Tanning Bed Shocks

  • MOQ: 100PS
  • Prices: 6USD
  • Tanning bed shocks support the bed’s canopy, enabling smooth lifting and lowering while ensuring safety and stability during use for optimal tanning sessions.

Tool Box Shocks

  • MOQ: 100PS
  • Prices: 6USD
  • Tool Box Shocks dampen the opening and closing of truck tool boxes, ensuring smooth operation and preventing sudden slams, enhancing safety and convenience.

Small Gas Springs

  • MOQ: 100PS
  • Prices: 6USD
  • Small gas springs provide controlled motion and support, allowing for smooth opening and closing of lids, hatches, and doors in various applications.

Window Gas Struts

  • MOQ: 100PS
  • Prices: 6USD
  • Window gas struts provide support and controlled movement for windows, aiding in opening, closing, and holding windows securely in various positions.

Gas Strut Beds

  • MOQ: 50PS
  • Prices: 14USD
  • Gas strut beds use gas struts to assist in lifting and lowering the bed’s mattress or frame, making it easier to access under-bed storage.

Tension Gas Springs

  • MOQ: 100PS
  • Prices: 10USD
  • Tension gas springs exert force to pull or lift components, working in reverse of compression springs. They’re used in applications like lids, hatches, and automotive parts.

Cabinet Gas Struts

  • MOQ: 1000PS
  • Prices: 3USD
  • Cabinet gas struts provide smooth, controlled opening and closing of cabinet doors. They help prevent sudden slams, offering adjustable force for safety and convenience.

Hydraulic Dampers

  • MOQ: 1000PS
  • Prices: 8USD
  • Hydraulic Dampers are oil dampers with fixings at both ends that ensure that a flapper or similar object does not move too quickly throughout its travel and opens/closes at a controlled speed.

Office Chair Gas Cylinders

  • MOQ: 3000PS
  • Prices: 3USD
  • Office chair gas cylinders adjust seat height, providing comfort and support. They use compressed gas to smoothly raise or lower the chair for optimal ergonomics.

Bonnet Struts

  • MOQ: 100PS
  • Prices: 6USD
  • Bonnet struts support the car hood, making it easy to lift and hold open for maintenance, enhancing safety and convenience during engine access.

Boot Struts

  • MOQ: 100PS
  • Prices: 6USD
  • Bonnet struts support the car hood, making it easy to lift and hold open for maintenance, enhancing safety and convenience during engine access.

Tailgate Struts

  • MOQ: 100PS
  • Prices: 6USD
  • Tailgate struts assist in smoothly opening and closing a tailgate, providing support and preventing slamming, enhancing convenience and safety.

Trunk Struts

  • MOQ: 100PS
  • Prices: 6USD
  • Tailgate struts assist in smoothly opening and closing a tailgate, providing support and preventing slamming, enhancing convenience and safety.

Camper Shell Shock

  • MOQ: 100PS
  • Prices: 10USD
  • Experience smooth, hands-free access to your truck bed with our durable, reliable camper shell shock. Open and close with ease!

Canopy Gas Struts

  • MOQ: 50PS
  • Prices: 10USD
  • Experience smooth, effortless lifting & secure holding of your truck canopy doors/windows gas struts. Durable, reliable access for work or play!

Caravan Gas Struts

  • MOQ: 50PS
  • Prices: 10USD
  • Caravan gas struts experience smooth, effortless lifting and secure holding for your caravan hatches and doors. Durable, reliable access on every adventure!

Gas Strut End Fittings

  • MOQ: 3000PS
  • Prices: 1USD
  • Tailgate struts assist in smoothly opening and closing a tailgate, providing support and preventing slamming, enhancing convenience and safety.

How to Calculate Gas Strut Length:

Step 1: Measure the Door Height

Measure the height of the door or hatch in millimeters (mm). For hatch doors, measure from the top side to the bottom side. For boot lids or bonnets, measure from the back side to the front edge.

Step 2: Calculate Expected Gas Strut Length

The recommended gas spring length is approximately 55%-60% of the door’s height. So, for a 1000mm door height, a 550mm-600mm gas spring would be suitable.

Gas Strut Length = Door Height × 0.55~06

How to Measure Gas Strut Length?

If you can locate the installation position of the gas spring, you can calculate its length using the following formula:

Gas strut length formula

Gas struts Length calculator

a: Horizontal distance from hinge to end fitting 1.

d: Horizontal distance from hinge to end fitting 2.

x: Vertical distance from hinge to end fitting 1.

If you already have a gas spring, click here to learn how to measure it.

How do I measure the weight of the cover plate?

To measure the weight of the cover plate, it is ideal to use a scale. However, if weighing the cover directly is not feasible or convenient, the following steps can still help determine its weight:

  • Please open the cover plate and ensure it is in a horizontal position.
  • Make sure that the very edge of the cover plate’s center point is placed in the middle of the scale.
  • The number on the scale, multiply by 2 is the approximate weight of the cover plate.
  • If the cover plate cannot be directly placed on the scale, a support such as a stick can be placed on the scale. Don’t forget minus the weight of stick.
  • Alternatively, a person can stand on the scale and lift the very edge of the cover plate’s center point with their hands to calculate the added weight.
  • If the cover plate is closed in the horizontal position, lift the cover plate slightly until the entire edge of the cover plate is fully lifted. Calculate the added weight.

Please note that for accurate measurements, ensure the weight of the cover plate is measured on a stable platform and that you maintain balance while standing on the scale.

How to Calculate the Gas Strut Force Required?

Gas strut force formula

  • F: Force required
  • W: Cover weight in KG
  • L: Distance between hinge and center of gravity
  • C: Vertical distance between hinge and connection of 2 mounting points
  • n: Number of gas springs to be used

Gas spring Force calculator

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