Napoleon/Lynx Spring Calc

Content rating
Everyone
100+
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Content rating
Everyone
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About this app

Simplify garage door torsion spring calculations with us. Our app supports single and duplex assemblies and accommodates various lift types. Save your calculations locally or easily share them with others. Need parts or assistance? Connect directly with a local sales representative at Napoleon/Lynx, a global leader and one-stop source for garage door manufacturing and distribution.

Key Features:
- Calculates torsion springs for single and duplex assemblies.
- Supports standard, high, and vertical lifts and various drums.
- Save calculations locally and share with other apps.
- Contact us directly for sales by region.
The ultimate torsion spring calculator for garage doors.
Updated on
Aug 31, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    App info and performance
  • Data is encrypted in transit

What’s new

- Improved wire size & assembly selection
Content rating
Everyone
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App support

About the developer
Napoleon Spring Works, Inc.
lynxnsw.dev@gmail.com
111 Weires Dr Archbold, OH 43502 United States
+1 617-893-6311