Publisher

The website onlyflyrc.com is published by Julien Riand.

Contact: contact@onlyflyrc.com

Hosting

Frontend

Vercel Inc. — 440 N Barrows Court, Reno, NV 89521, USA — vercel.com

Backend (API)

Google Cloud EMEA Limited — 70 Sir John Rogerson's Quay, Dublin 2, Ireland — hosting region europe-west1 (Belgium) — cloud.google.com

Database

Supabase Inc. — European Union hosting region — supabase.com

Intellectual property

The contents of the site (texts, diagrams, calculator code, parametric model code) are the property of Julien Riand. STL and DXF files generated via the 3D library may be used freely for personal and non-commercial purposes. Any commercial resale or redistribution of generated files is prohibited without prior authorization.

Liability

The calculators and 3D models provided are for informational purposes. The publisher cannot be held liable for the consequences of any incorrect or unsuitable use of the proposed dimensions. The user remains solely responsible for verifying the relevance of results before manufacturing or fitting them on an aircraft.

Data collected

The site does not use cookies. No user account is required to access the tools.

To measure audience and improve the tools, the site uses PostHog (servers hosted in Germany, European Union). The following data is collected:

• IP address (anonymized)
• Device type, browser, operating system
• Pages visited and tool usage events (parameters entered in calculators and the 3D library, files downloaded)
• Session recordings showing the user journey, used to improve the tools

This data is stored in your browser's localStorage (no third-party cookies) and kept for a maximum of 90 days on PostHog servers.

Purposes

• Audience measurement (overall statistics, most-visited pages)
• Tool improvement (identifying the most-used parameters, usage roadblocks)
• No advertising profiling, no resale, no sharing with third parties

Data processors

• PostHog (Germany, European Union) — analytics
• Vercel (USA) — frontend hosting. Transfers outside the European Union are governed by the European Commission's standard contractual clauses.
• Google Cloud (europe-west1 region, Belgium) — backend hosting
• Supabase (European Union) — database

Your rights (GDPR)

Under the General Data Protection Regulation, you have the right to access, rectify, erase, and object to the processing of your data. To exercise these rights, contact: contact@onlyflyrc.com

You can also block data collection by:

• Browsing in private mode
• Enabling your browser's "Do Not Track" setting (PostHog respects it)
• Using a script-blocking extension (uBlock Origin, Ghostery...)