2007Vests forum
EFP vest structural failures and reinforcement solutions
19 years old. Gear and prices may have changed since.
What the thread found
- The adjustable plate assembly on EFP vests can fail due to aluminum fatigue, particularly on older rigs over 20 years old.
- Multiple structural weak points exist on EFP vests including the vest spar bending under load, leather crimps at shoulder connections, velcro deterioration, nylon strap wear, and cracking at the bottom post connection to the sled.
- Loose screws on the rails holding the vest together reduce structural strength and increase failure risk.
- A bent or damaged vest spar forces operators to work significantly harder to fly the rig even when it does not completely break.
- Reinforcing the adjustable plate with thicker aluminum material such as quarter-inch stock can prevent future breakage if the original part failed under the applied load.
- Local machine shops can fabricate replacement parts and reinforcements rather than replacing entire vest assemblies.
- Loose fasteners should be checked and tightened regularly to maintain vest integrity.
Depends on
- The EFP vest was not engineered for heavy loads and has inherent design limitations.
- Solutions discussed are specific to the EFP vest system and may not apply to other stabilization equipment.
- Reinforcement and repair methods were suggested based on individual experience rather than manufacturer specifications.
- The original equipment discussed was over 20 years old at the time of failure, making age a significant variable.