--- title: "Meaning & Key Takeaway of: No data on air propellers was available…" description: "\"No data on air propellers was available, but we had always understood that it was not a difficult matter to secure an efficiency of 50% with marine pro..." image: "https://sms4smile.com/quotes/i/6e1/orville-wright-26304_data_no-data-on-air-propellers-was-available_2728934.jpg" --- # No data on air propellers was available, but we had always… ![“No data on air propellers was available, but we had always understood that it was not a difficult matter to secure an efficiency of 50% with marine propellers.” quote by Orville Wright](https://sms4smile.com/quotes/i/6e1/orville-wright-26304_data_no-data-on-air-propellers-was-available_2728934.jpg) [Download](https://sms4smile.com/quotes/i/6e1/orville-wright-26304_data_no-data-on-air-propellers-was-available_2728934.jpg) [Open image](https://sms4smile.com/quotes/i/6e1/orville-wright-26304_data_no-data-on-air-propellers-was-available_2728934.jpg) > “No data on air propellers was available, but we had always understood that it was not a difficult matter to secure an efficiency of 50% with marine propellers.” [Orville Wright](https://sms4smile.com/quotes/author/orville-wright/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Early assumptions held that marine propellers could easily achieve 50% efficiency despite lacking data. **In simple terms:** People believed 50% efficient propellers were easy to get. Key Takeaway Question assumptions with data. Themes engineering efficiency assumptions Mood skeptical inquisitive Type technical historical When to use this quote - product development - technical planning - research projects Key Concepts aerodynamics marine design Questions to Reflect On - What evidence supports your efficiency claim? - How do you verify design assumptions? A Different Perspective Real‑world performance may differ from theoretical expectations. ★ ★ ★ ★ ★ No ratings yet [Air Propellers](https://sms4smile.com/quotes/about/air-propellers-2939796/) [Data](https://sms4smile.com/quotes/about/data/) [Difficult](https://sms4smile.com/quotes/about/difficult/) [Efficiency](https://sms4smile.com/quotes/about/efficiency/) [Efficiency 50](https://sms4smile.com/quotes/about/efficiency-50-2939798/) [Marine Propellers](https://sms4smile.com/quotes/about/marine-propellers-2939795/) [Plane](https://sms4smile.com/quotes/about/plane/) [Productivity](https://sms4smile.com/quotes/about/productivity/) [Propellers](https://sms4smile.com/quotes/about/propellers-1317569/) [Propellers Available](https://sms4smile.com/quotes/about/propellers-available-2939797/) [Understood](https://sms4smile.com/quotes/about/understood/) ## Related quotes > [Laughing at how my old bitches look jealous. 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