Engines. Many thanks for the reply.
Noted that we are trying to recover the hot/heavy capability, but is SRVL a critical go/no-go factor in the decision for a STOVL jet (i.e. a Key User Requirement) or have we passed that point already by selecting a certain flavour of CVF? Ipso Facto, we get what we get and if it is able to meet the requirements safely using the SRVL then even better.