Re: Rolls royce got
Trent is a development of the RB211. No RB211, no Trent. Even RR themselves refer to the "RB211 Trent family".
http://www.rolls-royce.com/customers/civil-aerospace/products/civil-large-engines/trent-700.aspx#product-details
Yes it was development of the RB211 that caused the issue, and nearly brought down Lockheed as well. The crisis came just after PM Edward Heath had made a speech the list of which was "no more government bail-out for lame ducks"