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On 6/23/2010 12:09 AM, Justin Messenger wrote:
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<div>Im trying to calibrate fuel flow indicators but have no
reference information. The gauges are marked PPH x 1000 and are
calibrated at 0.5 - 1 - 2- 3 - 4 - 5 - 6 - 8 - 10 - 12. </div>
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<div>I need need to know where those points should be when N1
reaches 10- 20 - 30 - 40 - 50 - 60 - 70 - 80 - 90 - 100 - 110</div>
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<div>Regards,<br>
</div>
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Justin,<br>
<br>
How soon do you need to know? Our engines are virtually identical to
the 737's. As mentioned earlier, there's no direct correlation between
FF and N1, but next time I get some time to play in the sim I can get
you some rough numbers.<br>
<br>
I do know that at ground idle you're sitting at about 900PPH, with N1
at ~10% or so. Flight idle kicks that up a bit. And yeah, 2200-2500 is
a good wag for cruise.<br>
<br>
Brian<br>
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