In memory of George Spratt, father and son, these “forgotten” figures in the history of Aviation.


www.georgespratt.org : A fine site which recalls in particular that the success of the Wright Brothers is due in a great extent to the researches of a certain George A Spratt.
Freewing : Worthy successor of Wright, this manufacturer of drones with “pivoting wings”, would do well to be more clear about where his ideas came, that is, the source : George G. Spratt.
Spratt, Schmittle, and Freewing Fine article illuminating the subject.


Manufacturers of industrials engines ready to fit on the Spratt 103

Honda GX 690     Robin Subaru EH 72     HE Airmax 220