Originally Posted by
PDR1
The sterling was a bigger aeroplane all-round - 10,000lbs (~25%) more structure weight for the same MTOW
The Stirling, while it was clearly never destined to be as light as the Lancaster, reportedly suffered from more-than-average weight creep during its development, with the above-mentionen impact on payload/range.
Not the first, nor last, time that Shorts built an aircraft like a brick outhouse.