Original sentence: It did have an unusual wing constuction which used four spars and intespars instead of ribs.The wing was tested at the Royal Aircraft Establishment Farnborough and failed a 12.3 times the weight of the aircraft
Edited sentence: It did have an unusual wing construction which used four spars and intespars instead of ribs.. The wing was tested at the Royal Aircraft Establishment Farnborough and failed a 12.3 times the weight of the aircraft