[simpits-tech] 737-200 fluel flow question

[Brian Sikkema]

On 6/23/2010 12:09 AM, Justin Messenger wrote:
> 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.
> I need need to know where those points should be when N1 reaches 10- 
> 20 - 30 - 40 - 50 - 60 - 70 - 80 - 90 - 100 - 110
> Regards,
>
> *Justin Messenger*
>
> KANSAS MUSEUM OF MILITARY HISTORY <http://kmmh.org/>
>
>
Justin,

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.

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.

Brian
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