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Forum: Military Aviation

16th Jun 2019, 15:04

Replies: 12,075

F-35 Cancelled, then what ?

Views: 3,626,970

Posted By Vendee

The RB199 in the Tornado was one of the first to...

The RB199 in the Tornado was one of the first to use optical pyrometers to record and control EGT. They were more accurate than conventional downstream thermocouples but they were much higher...

Forum: Military Aviation

26th Oct 2017, 06:33

Replies: 12,075

F-35 Cancelled, then what ?

Views: 3,626,970

Posted By Vendee

That's rather specialised isn't it!

That's rather specialised isn't it!

Forum: Military Aviation

25th Aug 2014, 07:41

Replies: 12,075

F-35 Cancelled, then what ?

Views: 3,626,970

Posted By Vendee

That is feasible. I remember that in 1987 on the...

That is feasible. I remember that in 1987 on the lower thrust RB199 Mk101, the average time between HPT blade failure was 124 hours. The Mk 103 and Mk 104 produced more thrust (higher blade temp).
...

Forum: Military Aviation

24th Aug 2014, 21:54

Replies: 12,075

F-35 Cancelled, then what ?

Views: 3,626,970

Posted By Vendee

Surely directionally solidified blades were not...

Surely directionally solidified blades were not exactly new technology at that time? They were first used in 1969.

I'm not sure about unique. The RB199 first ran about seven years earlier and used...

Forum: Military Aviation

12th Aug 2014, 21:18

Replies: 12,075

F-35 Cancelled, then what ?

Views: 3,626,970

Posted By Vendee

Each engine has its own gearbox c/w genny, fuel...

Each engine has its own gearbox c/w genny, fuel pump and hyd pump (r/h gearbox also has apu). The gearboxes are linked through a crossdrive clutch which from memory is normally open and closes either...

Forum: Military Aviation

9th Aug 2014, 13:49

Replies: 12,075

F-35 Cancelled, then what ?

Views: 3,626,970

Posted By Vendee

Except that its only been operational for 34...

Except that its only been operational for 34 years ;)

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