The Park Royal postcode connection leads to a flying site close to Acton aerodrome used by Claude Grahame-White for the Daily Mail sponsored London to Manchester race which took place in 1910.
Further details here:
http://www.ukairfieldguide.net/airfields/Park-Royal
Here's the chap standing upright.
Last edited by Warmtoast; 22nd Aug 2017 at 22:54.