Air Propellers Quotes

1 Air Propellers quotes by 1 unique authors

• 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%… — Orville Wright

Who Wrote These Air Propellers Quotes

1 author contributed a total of 1 Air Propellers Quote as follows:

• 1 Air Propellers Quote by Orville Wright