The Sopwith Sparrow was a manned light aircraft developed from the Sopwith A.T. (''Aerial Target'') drone and was powered by a

ABC Gnat The ABC Gnat was a 45 hp (34 kW) two-cylinder aero engine designed by British engineer Granville Bradshaw for use in light aircraft. The Gnat was built by ABC Motors, first running in 1916, production ceased in December 1918. 17 eng ...

engine.

References

* {{Sopwith Aviation Company aircraft Sparrow Biplanes