[jhb_airlines] Re: Performance Query

  • From: Gerry Winskill <gwinsk@xxxxxxx>
  • To: jhb_airlines@xxxxxxxxxxxxx
  • Date: Thu, 18 Aug 2005 17:43:54 +0100

That was my first attempt but get the same error result.
I always wonder about organisations that pay good money for a sophisticated website, then fail to manage it. It's like taking out high cost advertising, to tell the world you're inefficient!
The pressure is off, on the Q400. I managed to dredge up some data, modified the .xml gauge, only to get daft results. Then I rememberd that the Q400 has a flaw in the way it's written up. Its weight is entered with a comma, to denote the thousand. That throws any gauges that interrogate it for data. Remove the comma and the gauges work. Just one small consequence. The weight is increased by 1000 and, not surprisingly, it can't reach takeoff speed.
Well, it's wet, so I wouldn't have been going out.

Gerry Winskill

Paul wrote:

A search on Bombarier Q400 reference speeds threw up www.q400.com, there's a
link for specifications which throws up a javascript error for me but may
work for you and provide the details you require.


-----Original Message-----
From: jhb_airlines-bounce@xxxxxxxxxxxxx
[mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Gerry Winskill
Sent: 18 August 2005 16:09
To: jhb_airlines@xxxxxxxxxxxxx
Subject: [jhb_airlines] Re: Performance Query

I've just dug up an early flight test. The V1 / Vr for the Q400 seems to be about 20kias higher than the 300. Only settings for one weight available. Back to Yahoo.

Gerry Winskill

Bones wrote:

FLAP V1/R  V2  Icing Cond
0°   110  117    +5
5°   103  108    +5
10°   95   99    +7
15°   93   95    +10
0°   VFTO 121    +15

That's from Oleksiy's Dash 8 300 manual - I've got nothing for the


-----Original Message-----
From: jhb_airlines-bounce@xxxxxxxxxxxxx
[mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Gerry Winskill
Sent: 18 August 2005 15:53
Subject: [jhb_airlines] Performance Query

I've spent the day, well most of it, modifying Rob Barendregt's Vspeed gauge, to suit my normal CA aircraft. Once his instructions are decyphered it's not too difficult. The sticking point at the moment is that next in the queue is the Q400 and I haven't any real life data for it. What I'm looking for is the Vnumber data for lowest and highest take off weights, at the normal flap settings used. The Bombardier website doesn't have it. Anyone able to suggest a site where I might find it?

The gauge is useful in that it also provides the speed calls, filling
the empty second seat gap.

Gerry Winskill

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