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Forum: Rotorheads

12th Feb 2016, 19:28

Replies: 171

AW169

Views: 151,016

Posted By Geoffersincornwall

Crab

Imagine a 'H' shape with the tanks at the bottom of each leg and the fuel valve on the top of each leg. After each fuel valve will be the engine driven pumps sucking the fuel.

The crossed line is...

Forum: Rotorheads

12th Feb 2016, 14:44

Replies: 171

AW169

Views: 151,016

Posted By Geoffersincornwall

Nooby

See my earlier post. Methinks this is one reason why a cross-feed alone will not work.

G. :ok:

Forum: Rotorheads

12th Feb 2016, 01:40

Replies: 171

AW169

Views: 151,016

Posted By Geoffersincornwall

Chop jock HLCPTR

That said there is no denying that aviation authorities have always insisted on engine accountability within their possible failure scenarios. There's none that I've come across that will allow the...

Forum: Rotorheads

11th Feb 2016, 20:53

Replies: 171

AW169

Views: 151,016

Posted By Geoffersincornwall

HLCPTR

That argument doesn't stand up if your national regulator insists on the carriage of 200 litres of additional fuel as that amount may become unusable following a single failure.

G.:ok:

Forum: Rotorheads

11th Feb 2016, 16:01

Replies: 171

AW169

Views: 151,016

Posted By Geoffersincornwall

Outwest et al

There is no crossfeed so the calculations are even simpler. No OEI performance data in the Section 9 of the RFM yet so we will have to wait and see how the fuel consumption works out but as you say,...

Forum: Rotorheads

11th Feb 2016, 08:40

Replies: 171

AW169

Views: 151,016

Posted By Geoffersincornwall

Interesting question about the OEI scenario

I'm not a 169 man but I do recall my colleagues saying that there are no booster pumps in the 169 and with the same basic tank design as the 139 there will be unusable fuel in the tank supplying the...

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