1. Digital Product Delivery

All technical manuals, blueprints, and engineering documentation are provided strictly as digital downloadable files (PDF). No physical materials or printed copies are shipped.

2. License & Permitted Use

Purchase grants a non-exclusive, single-user, non-transferable personal license for study, reference, and individual experimental construction. Commercial reproduction, resale, public sharing, or re-uploading of these files is strictly prohibited.

3. Refund & Cancellation Policy

Due to the immediate access and downloadable nature of digital engineering files, all sales are final once access is granted. (Ou insira a sua regra de garantia, ex: 7-day refund policy, se aplicável).

4. Aviation Liability & Assumption of Risk

All materials are sold strictly for educational, informational, and historical reference in experimental aviation. The buyer/builder assumes full and total responsibility for material selection, manufacturing tolerances, structural assembly, safety inspections, and flight operations.

5. "As-Is" Warranty Disclaimer

All files and diagrams are provided "AS IS" without warranties of any kind, express or implied, including fitness for a particular purpose or airworthiness. The author/seller shall not be liable for any direct, indirect, or consequential damages resulting from the use of this information.

6. Secure Payment Processing

All transactions are processed securely through authorized third-party payment platforms (PayPal / Kiwify). No financial or credit card data is stored on our servers.