Altair Glide Computer and Navigation System User Manual Page 120

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12 DATA FILES
08 (RL1,7) 17 (RL53) 26
(R) 35 (R)
COMMUNICATIONS:
CTAF - 122.5 REMARKS: Nstd
10 NM rad to 5000’
REMARKS:
CAUTION - Animal haz. Rwy
08L-26R and 17L-35R for
glider ops and tailskidacft
only, SR-SS. TFC PAT - Rgt
circuits Rwy 08R-26L. NS
ABTMT - Rwy 17R-35L fly wide
ICAO: YBLA
[GROOTE EYLANDT]
...
12.8 Glide polar
The WinPilot format is used for glide polar files (extension .plr).
The WinPilot and XCSoar websites provide several glide polar files. Files for other gliders may be
created upon request to the XCSoar team.
The format of the file is simple. Lines beginning with * are ignored and so may be used to document
how the polar was calculated or if there are restrictions on its use. Other than comments, the file
must contain a single row of numbers separated with commas:
Mass dry gross weight in kg: this is the weight of the glider plus a ’standard’ pilot without
ballast.
Max water ballast in liters (kg)
Speed in km/h for first measurement point, (usually minimum sink speed)
Sink rate in m/s for first measurement point
Speed in km/h for second measurement point, (usually best glide speed)
Sink rate in m/s for second measurement point
Speed in km/h for third measurement point, (usually max manoeuvring speed)
Sink rate in m/s for third measurement point
An example, for the LS-3 glider, is given below:
113 XCSoar Manual (Altair version) XCSoar-A-EN
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