<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by NM:
the problem still exists that the current RR design runs out of puff in the 90,000 lb thrust region. </font>
There is one that doesnt... the Trent895. Until the -LR variants by GE, it was the only engine capable of sustaining well over 100K thrust. RR was initially aiming for it to be certified at 98-100K lbs, but it was later done at just over 94 (dont know the specific reasoning behind it, could find out though if it's of interest to anyone). Too bad only two carriers find the engine worthwhile... perhaps we could see some further development. Oh well, more customers for GE
Also, NM... should PW be counted along with the same probs as RR? While the PW4090 is among the weakest available for 777ERs, the Pw4098 is currently the most powerful commercial engine in operation. But would they have to complete the overhaul to get the egine over a sustained 100K lbs as well?
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