[jhb_airlines] Re: Autopilot APPR HOLD problem

  • From: "Bones" <bones@xxxxxxx>
  • To: <jhb_airlines@xxxxxxxxxxxxx>
  • Date: Mon, 17 Oct 2005 19:04:25 +0100

Ah - quite a different kettle of fish.

The Citation X is the almost sonic jobbie with the supercritical wing -
Cessna's challenge to the Gulfstream range. I think you could fit a CJ1
inside it.. <g>

bones

-----Original Message-----
From: jhb_airlines-bounce@xxxxxxxxxxxxx
[mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Mike Lucas
Sent: 17 October 2005 17:15
To: jhb_airlines@xxxxxxxxxxxxx
Subject: [jhb_airlines] Re: Autopilot APPR HOLD problem


The panel is for Citation X, FS2004.

Mike L

Bones wrote:
> I don't have any values for the CJ2 here and it could easily have
> different flap settings to the CJ1. The existing aircraft.cfg values
> are 0, 15 and 45 as you note and would seem to follow the current
> trend on some aircraft of absolute minimum flap settings (up, take off
> and land).
>
> The CJ1 I've had the pleasure to fly in is different and it has flap
> values of 0, 15, 35 and 50. Here are the book figures:
>
> T/0 Weight    15 deg Flap Setting   0 deg Flap Setting
>                  V1  Vr  V2            V1  Vr  V2
> 10600           107 107 111           113 113 119
> 10000           102 103 108           109 109 115
> 9500             98 100 105           105 105 113
> 9000             97  97 103           102 102 110
> 8500             97  97 103            98  98 107
> 8000             97  97 104            98  98 107
> 7000             97  98 106            98  98 109
>
> Stall Speeds
>
> Zero Angle of Bank, Landing Gear UP or Down, KCAS
>               Flap Position
> Weight     Land   15deg    UP
> 10600       86      91     98
> 10000       83      89     95
> 9500        81      87     93
> 9000        79      85     91
> 8500        77      82     88
> 8000        75      80     86
> 7500        73      78     83
> 7000        70      75     80
>
> Take-Off 0 and 15 degs flaps
> Landing Approach 15 degrees
> Full Flaps Land 35 degrees
> On Landing Flaps 50 degrees...used to help braking
>
> Note that 50 flap is only used as an after landing speed brake so we
> really only need 0, 15 and 35 in FS. However that is for the CJ1 and
> as there are so many versions of the Citation out now (which I have
> totally lost track
> of) it could well be that other versions have different flap settings. The
> Citation X is quite a different beast to the little CJ1!
>
> Also note that in the CJ1 figures above the Max Landing Weight is just
> 10600lb whilst the CJ2 is up at 15200lb. I would therefore expect the
> speeds to be a touch higher. For the CJ1 a rotate speed of about
> 105/115kts seems average and an approach speed of 106kts at max weight
> looks good (as Va = Vs x 1.23). I'll hunt around and see if I can find
> the CJ2 figures but expect them to be a touch higher than these.
>
> You can easily alter the aircraft.cfg values if you wish. As a
> reminder put the original values in the comment section so you
> remember them - they can go anywhere after the // symbols. Just out of
> interest did it say which variant of Citation the panel was for?
>
> bones
>
> -----Original Message-----
> From: jhb_airlines-bounce@xxxxxxxxxxxxx
> [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Mike Lucas
> Sent: 17 October 2005 12:29
> To: jhb_airlines@xxxxxxxxxxxxx
> Subject: [jhb_airlines] Re: Autopilot APPR HOLD problem
>
>
> Bones
>
> I was trying to find out what flap settings exist on the real-world
> Citation.  If there are 4 (0, 5, 15, 35), as the panel I am now using
> would seem to suggest, can I modify the current entry in aircraft.cfg
> -
>
> [Flaps.0]
> type             = 1          // 1 - tail, 2 - lead
> span-outboard    = 0.8        // 0.0 .. 1.0
> extending-time   = 5          // seconds
> system_type      = 0
> flaps-position.0 = 0          // degrees
> flaps-position.1 = 15          // degrees
> flaps-position.2 = 45         // degrees
> damaging-speed   = 250        // KIAS
> blowout-speed    = 300        // KIAS
>
> by inserting an additional line for flaps 5, and amending flaps 45 to
> flaps 35?  Or is such tinkering another minefield .... ?
>
> Mike L
>
> Bones wrote:
>
>
>
>



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