Original sentence: 8 flew in November 1915, demonstrating good performance, being the fasted twin engine daircraft of 1915, although not as good as expected.It was not considered manoeuverable enough  for use as a fighter, and with the prospect of better performing single engined fighters with synchronised guns, was rejected for production.sat under the trailing edge of the wings, remote from the gunner, hindering co-operation between them in battle
Edited sentence: 8 flew in November 1915, demonstrating good performance, being the fastest twin engined aircraft of 1915, although not as good as expected.It was not considered manoeuvrable enough  for use as a fighter, and with the prospect of better performing single engined fighters with synchronised guns, was rejected for production.sat under the trailing edge of the wings, remote from the gunner and hindering co-operation between them in battle