guillaume320 Posted July 10, 2017 Share Posted July 10, 2017 Hello Everyone, Quick question: Has this Harrier on the foreground got 65% or 100% LERX? I can't really tell from this angle... Thanks and regards, Guillaume Link to comment Share on other sites More sharing options...
PhantomBigStu Posted July 10, 2017 Share Posted July 10, 2017 (edited) Not with certianly but I'd say its 65% Edited July 10, 2017 by PhantomBigStu 1 Link to comment Share on other sites More sharing options...
Muzz Posted July 10, 2017 Share Posted July 10, 2017 I would agree with above, going by the shadows and the way the light reflects off the surface I'd say 65%. Might be wrong but the fact that the aircraft in the background is in the two tone green scheme suggests it's possibly taken before the introduction of the 100% LERX. Here's the same aircraft with the same squadron but a different era (different name under the cockpit) when it does have 100 LERX. https://s-media-cache-ak0.pinimg.com/originals/e4/44/15/e4441505676446943ccf2f47558ae37a.jpg 1 Link to comment Share on other sites More sharing options...
huvut76g7gbbui7 Posted July 10, 2017 Share Posted July 10, 2017 This list gives full details on which airframes had which LERX http://harriersig.org.uk/models/lerxv1.pdf 3 Link to comment Share on other sites More sharing options...
Dave Fleming Posted July 10, 2017 Share Posted July 10, 2017 (edited) Both have 65% LERX. Both were fitted for, but not with, 100% then refitted in service (Hence the frog eye fire extinguisher ports). You do get green aircraft with 100 LERX as well Edited July 10, 2017 by Dave Fleming 2 Link to comment Share on other sites More sharing options...
guillaume320 Posted July 11, 2017 Author Share Posted July 11, 2017 Awesome... Thx to all who replied G Link to comment Share on other sites More sharing options...
stevehnz Posted July 11, 2017 Share Posted July 11, 2017 14 hours ago, Dave Fleming said: Both have 65% LERX. Both were fitted for, but not with, 100% then refitted in service (Hence the frog eye fire extinguisher ports). You do get green aircraft with 100 LERX as well I might have to take exception with you there Dave. Looking at the pdf that Scimitar has linked to, the 100% LERX is very much of a 3 dimensional structure which is fairly obvious on the photo with the two gray aircraft in it,the 65% Lerx is much more 2D with an obvious step done to the surface of the wing LE to the LERX, unlike the 100% LERX which flows smoothly from the wing surface to the leading edge of the LERX, thats as my eyes see it anyway. Steve. Link to comment Share on other sites More sharing options...
Dave Fleming Posted July 11, 2017 Share Posted July 11, 2017 3 minutes ago, stevehnz said: I might have to take exception with you there Dave. Looking at the pdf that Scimitar has linked to, the 100% LERX is very much of a 3 dimensional structure which is fairly obvious on the photo with the two gray aircraft in it,the 65% Lerx is much more 2D with an obvious step done to the surface of the wing LE to the LERX, unlike the 100% LERX which flows smoothly from the wing surface to the leading edge of the LERX, thats as my eyes see it anyway. Steve. I was referring to the original post, http://www.airplane-pictures.net/photo/339993/zg503-uk-air-force-british-aerospace-harrier-gr-9/ The second pic shows ZG503 after conversion to the 100% version. Link to comment Share on other sites More sharing options...
stevehnz Posted July 11, 2017 Share Posted July 11, 2017 My misunderstanding sorry Dave, by both I thought you meant both photos, in this case, I'll let you off. Steve. 1 Link to comment Share on other sites More sharing options...
Harrierpilot Posted July 23, 2017 Share Posted July 23, 2017 When the RAF harriers were built the aircraft with the "ZD" serials wewre fitted with the 65% LERX and the "ZG" serialed aircraft were fitted with the 100% LERX from new, there was no up-grade up to the 100% LERX for the Batch 3 jets. By the look of the photo I waould say that it was taken about the time that the RAF Harriers where flying Op "Warden", the no-fly zone in the north of Iraq after Gulf War 1 whn all the jets assigned to the operation where fitted with the smaller 65% LERX. it was proposed to fit the 100% LERX to the "ZD" jet in the JUMP program by this was cancelled to cut costs. Link to comment Share on other sites More sharing options...
Dave Fleming Posted July 23, 2017 Share Posted July 23, 2017 (edited) 1 hour ago, Harrierpilot said: When the RAF harriers were built the aircraft with the "ZD" serials wewre fitted with the 65% LERX and the "ZG" serialed aircraft were fitted with the 100% LERX from new, there was no up-grade up to the 100% LERX for the Batch 3 jets. By the look of the photo I waould say that it was taken about the time that the RAF Harriers where flying Op "Warden", the no-fly zone in the north of Iraq after Gulf War 1 whn all the jets assigned to the operation where fitted with the smaller 65% LERX. it was proposed to fit the 100% LERX to the "ZD" jet in the JUMP program by this was cancelled to cut costs. 6 ZG series aircraft were fitted with the 65% LERX and kept them all through their service, 13 were fitted with them at build then later retrofitted with the 100% ones in service (carried out by the RAF). These are the ones that had the 65% LERX with the raised ("frog eye") fire extinguisher ports. The photo in the OP is one of these. A similar situation occurred with early USMC AV8B (NA)s The pic is from circa 1996 when the MOD-95 scheme was being introduced. Op Warden used a lighter grey Edited July 23, 2017 by Dave Fleming Link to comment Share on other sites More sharing options...
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