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Search: Posts Made By: ORAC
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Forum: Military Aviation
26th Sep 2021, 14:55
Replies: 160
Views: 59,997
Posted By ORAC

Still have to be redesigned. IIRC an...

Still have to be redesigned.

IIRC an earlier article covers the fact that each of the new engines will have a generator so, even if the total power isn’t vastly greater, there is more redundancy....
Forum: Military Aviation
25th Sep 2021, 13:17
Replies: 160
Views: 59,997
Posted By ORAC

Happy to be proved wrong, but I believe it’s just...

Happy to be proved wrong, but I believe it’s just a modified version of the same 710 series, Nimrod just had a modified exhaust.
...
Forum: Military Aviation
25th Sep 2021, 08:58
Replies: 160
Views: 59,997
Posted By ORAC

Same engine as selected for the MRA-4 Nimrod......

Same engine as selected for the MRA-4 Nimrod......
Forum: Military Aviation
25th Sep 2021, 07:02
Replies: 160
Views: 59,997
Posted By ORAC

Pending the inevitable protests of course….. ...

Pending the inevitable protests of course…..

https://www.airforcemag.com/rolls-royce-wins-b-52-re-engining-program-worth-2-6-billion/

Rolls-Royce Wins B-52 Re-Engining Program Worth $2.6...
Forum: Military Aviation
26th Jul 2021, 19:36
Replies: 160
Views: 59,997
Posted By ORAC

Risk reduction… ...

Risk reduction…

https://www.forbes.com/sites/lorenthompson/2020/07/13/hanging-new-engines-on-60-year-old-b-52-bombers-is-not-easy-here-are-some-risks/
...
Forum: Military Aviation
23rd Jul 2021, 13:39
Replies: 160
Views: 59,997
Posted By ORAC

A one off mind you - with the expected flying...

A one off mind you - with the expected flying hours and engine life, once mounted they’re expected to stay on the aircraft wings until they leave service.
Forum: Military Aviation
21st May 2020, 08:19
Replies: 160
Views: 59,997
Posted By ORAC

https://www.airforcemag.com/usaf-releases-b-52-eng...

https://www.airforcemag.com/usaf-releases-b-52-engine-replacement-rfp-award-expected-july-2021/

USAF Releases B-52 Engine Replacement RFP, Award Expected July 2021
Forum: Military Aviation
29th Apr 2020, 23:06
Replies: 160
Views: 59,997
Posted By ORAC

https://www.flightglobal.com/fixed-wing/us-air-for...

https://www.flightglobal.com/fixed-wing/us-air-force-issues-draft-request-for-proposal-to-replace-b-52-engines/138099.article

US Air Force issues draft request for proposal to replace B-52 engines
Forum: Military Aviation
9th Apr 2018, 19:16
Replies: 160
Views: 59,997
Posted By ORAC

Different generations. Airframe is different,...

Different generations. Airframe is different, role is increasingly different, Radar is incredibly different - and would undoubtedly be multi-mode and underslung - and the vast majority of the...
Forum: Military Aviation
9th Apr 2018, 16:04
Replies: 160
Views: 59,997
Posted By ORAC

Too big. Even if they didn’t go for a business...

Too big. Even if they didn’t go for a business jet they’d go for a P-3 variant - it already has a radar and it has already for provision f9r the appropriate consoles and comms etc.

In fact,...
Forum: Military Aviation
7th Apr 2018, 18:37
Replies: 160
Views: 59,997
Posted By ORAC

The current trend is to replace such platforms...

The current trend is to replace such platforms with large business jets with satellite comms and do the vast majority of both the processing and control from the ground. Or even data fusion from all...
Forum: Military Aviation
6th Apr 2018, 07:06
Replies: 160
Views: 59,997
Posted By ORAC

https://www.flightglobal.com/news/articles/usaf-de...

https://www.flightglobal.com/news/articles/usaf-details-scope-and-schedule-for-b-52-re-engining-444327/

“A new US Air Force document released last week outlines the details, timeline and likely...
Forum: Military Aviation
3rd Apr 2018, 19:09
Replies: 160
Views: 59,997
Posted By ORAC

One the other hand fuel efficiency since 1960 has...

One the other hand fuel efficiency since 1960 has increased by about 60% - of which engine improvements have provided about 40% whilst aerodynamics and airframe materials has provided about 20%. And...
Forum: Military Aviation
23rd Mar 2018, 07:12
Replies: 160
Views: 59,997
Posted By ORAC

KenV, my comment was in responsible to the remark...

KenV, my comment was in responsible to the remark about Airbus “suckering” Boeing into pitching their bid where they did. Now you are saying it was a good long term commercial decision.

Make up...
Forum: Military Aviation
22nd Mar 2018, 08:25
Replies: 160
Views: 59,997
Posted By ORAC

Really? And there was me thinking they were...

Really? And there was me thinking they were grown-ups capable of making rational commercial decisions on their own.

And of course they would have had no signs or idea about the Airbus bid....
Forum: Military Aviation
16th Mar 2018, 11:57
Replies: 160
Views: 59,997
Posted By ORAC

USAF likely to issue B-52 engine replacement...

USAF likely to issue B-52 engine replacement request for proposals in early 2019 (https://www.flightglobal.com/news/articles/usaf-likely-to-issue-b-52-engine-replacement-reques-446745/)

The US Air...
Forum: Military Aviation
22nd Feb 2018, 18:32
Replies: 160
Views: 59,997
Posted By ORAC

On the other hand, they have automated flight...

On the other hand, they have automated flight controls and flight surfaces designed to kick in and take the stress....
...
Forum: Military Aviation
22nd Feb 2018, 07:26
Replies: 160
Views: 59,997
Posted By ORAC

USAF Fund B-52 Engine Replacement

How many times has this done the rounds over the last 30 years? Is this the first time it has reached the funding stage?

AW&ST: U.S. Air Force Boost B-52 Funding For Engine Replacement...
Showing results 1 to 18 of 18


 
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