'Romulus' I have not seen any complaints about IPP for some time now, especially aboard USS Wasp now two times. Here is some forum info:
IPP Info on 21 Jul 2011 '
SSSETOWTF':
"...In current flight test, IPP management is a total non-issue. When we first started flying the jet we were slightly concerned about stopping on asphalt in bleed-and-burn mode for any length of time - because the testing hadn't been done to assure us that everything was going to be ok. So there's a switch in the cockpit that the pilot can use to force the IPP into bleed mode whenever he has to hold on asphalt. LM are working on a number of minor tweaks to the design (including possibly making the exhaust come out at a more acute angle to the ground) and at an opportune point in the test program the team will take the time to figure out if the effects on asphalt are in line with the worst case predictions, or if they've been over-egged (which the safety folks have a habit of doing).
Any possible issues with ship integration will be thoroughly flushed out on the first deployment to USS Wasp later this year. Anyone who's telling you otherwise is living in the world of the ppt warrior.
Regards, Single Seat, Single Engine, The Only Way To Fly"
http://www.pprune.org/military-aircr...ml#post6584909
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IPP Info on 21 Jul 2011 '
Engines': (2 links)
"...The heat issue from the exhaust is something I was closely involved with while on the project. The exhaust from the IPP is actually less hot and fast than that from the current APU on the F-18, and the assessment at the time was that while it posed a potential issue, it was manageable, using the same sort of techniques the USN and USMC had done for some time. If that's changed since I was on the team, I'm not aware of it.
Best Regards as ever, Engines."
http://www.pprune.org/military-aircr...ml#post6584076
&
http://www.pprune.org/military-aircr...ml#post7157268