Endurance E-3120 & E-4660 Spring Tubes Upgrade

Endurance E-3120 Wind Turbine Spring Tubes Upgrade

A key part of the safety system on the Endurance E Series turbines is the blade spring tubes.

This is an essential part of the mechanism that pitches the blades to aerodynamically restrict rotor speed in the event of a brake failure.

DC21 are pleased to offer a Serenity Wind spring tube upgrade to all E-3120 and E-4660 models.

These spring tubes come with a 5 year insurance backed limited warranty.


E-4660 Products, Upgrades & Repairs

Minimum of Disruption

Spring tubes

DC21 are pleased to offer the Serenity Wind spring tube upgrade with all E-3120 and E-4660 models. These spring tubes come with a 5 year insurance backed limited warranty.

Cost Effective Solution

E-4660 Gearbox & Reaction Arm

DC21 has redesigned the reaction arm attachment to the bedplate.

Cost Effective Solution

E-4660 Flex Coupling Upgrade

An upgraded coupling that is designed to prevent secondary damage in the event of flex plate failure.

Cost Effective Solution

E-4660 Hub Arm Repair

Replaceable bush for the E-4660 hub arm.


Need More Information?

Please feel free to contact us if you would like to know more about our highly competitive endurance wind turbine upgrade and repair services.

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