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COMPETINO Manual 

 

- 25 - 

 

6.15     Final glide calculation 

 
Among  the  user  selectable  fields,  there  is  one 
called “

Alt a.BG

” This is a precalculated height 

above the path of best glide . Based on the L/D 
ratio for best glide input at the 

Basic Settings. 

 

This ratio is corrected with the wind component 
and  gives  good  results  ,  making  the  pre-
sumption,  that  on  the  glide  path  to  goal  (=the 
active  WP)  ,  rising  and  sinking  air  neutralize 
each other and the wind remains constant. 
A positive value for 

Alt a.BG

 is kind of a safety 

margin  the  pilot  still  can  loose  in  a  sinking  air 
mass  on  the  way  to  goal.  A  negative  value 
shows  him,  how  many  meters  he  still  has  to 
circle  up  to  be  able  to  arrive  goal  with  best 
glide speed. 
From  this  SW  vers.  Up  the  user  selectable 
fields  “

Alt  a.  Goal    and    Dist  t.Goal

”  give 

information  about  the  total  height  to  gain  and 
total distance in front of the pilot when flying a 
route. Please refer also to chapt. 8.4 and 8.5 . 
 
After multiple brief pushing the Esc/O button an 
additional  screen  appears.  (As  illustrated  on 
the  right  picture)  which  displays  the  final  glide 
calculation graphically. A Crosshair now is  
showing  the  path  into  the  goal  The  pilots  position  is  marked  by  a  glider  symbol.  The 
horizontal scale of the crosshair indicates the deviation from the course into goal (caused by 
side  wind).  Any  graduation  line  corresponds  to  10  degrees.  On  the  picture  illustrated  the 
pilot is drifting by 22° too far to the right. 
The vertical scale shows glide ratios. In the centre of the crosshair the best glide ratio of the 
glider is shown (fed in under Basic Settings previously). With wind this glide ratio is getting 
corrected  relating  to  the  wind  component.  Each  graduation  line  corresponds  to  0,5  glide 
ratio. In our example the pilot would have fed in a best glide ratio of  7 .  If he stayed exactly 
on the path of best glide, the glider symbol would exactly be positioned on the horizontal line 
and the “Alt ab.BG” would be 0. 
As he still has  5,45 Km to goal he will loose on the way to goal  5450 : 7 = 780 m. 
“Alt ab.Goal” shows 406 m. So his actual position is 780+406=1186 m higher than his goal. 
The necessary glide ratio into goal is 5450:1186=4,6 
That is the exact value the glider symbol indicates to us. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Best glide 7 

Act. Distance to goal 5.45 km 

Akt. Height

 1186 m

L/D req  4.6 

2km 

For best glide 
leave thermal  
1064 m above 
goal 

780 m 

Alt a BG 
406m 

Содержание Competino

Страница 1: ...COMPETINO Manual Vers 1 16 Grey marked texts show the differences of this version compared to the last one Br uniger GmbH Dr Karl Slevogt Str 5 D 82362 Weilheim 49 881 64750 info brauniger com www bra...

Страница 2: ...6 8 Waypoints and Co ordinates 17 6 8 1 Waypoints Alter Delete or Add 18 6 8 2 Deletion of Waypoints 19 6 8 3 Insertion of Waypoints 19 6 8 4 Current Coordinate Indicator 19 6 8 5 Distance to Waypoin...

Страница 3: ...lation of the digital signature can take up to one or two minutes Please wait until this process is finished Press the ESC o key again to turn off the unit 2 2 Keypad Keyboard Funct below Funct ab lin...

Страница 4: ...aypoints are plotted with a cross and name The map scale is displayed as well Information lines Function of F1 Function of F2 Digital Variometer Altitude Scale Track of the actual flight Restricted ar...

Страница 5: ...values You can thus obtain the desired graph quickly Even past flights can be graphed as long as they are still in the memory During flight touching the ESC key briefly will toggle between the differ...

Страница 6: ...rdinates Routes List of the routes with the possibility to edit see Chapter 6 11 Create change delete routes Restricted Areas List of the restricted areas with the possibility to edit see Chapter 6 17...

Страница 7: ...odulation Pitch Acoustic Averager 4 2 1200 Hz 700 Hz Mod 5 Pi 3 8 Battery type Alkaline cells or NiMH Accumulator 2 8 0 Alkaline cells Audio threshold Fine tuning of climbing tone max 20 cm sec 4 2 2...

Страница 8: ...ring Direction to chosen destination Track Flight direction course Temp Internal temperature Alt 2 Reference height if desired can be set at 0 Alt 3 Cumulated gained height QNH hPa Air pressure in hec...

Страница 9: ...r can occur in both directions The connection occurs with 57 600 baud 1 startbit 8 databit 1 stopbit no parity Xon Xoff The following can be read via this RS232 interface Serial number and pilot name...

Страница 10: ...you store all the related files in one separate subdirectory After the installation a number of files are created Double click on the file flasher exe to start the program In Setup the serial port COM...

Страница 11: ...omepage www brauniger com 4 Air pressure functions 4 1 Altimeter and Air pressure The COMPETINO has 3 altitude displays Alt1 should be always the altitude above sea level QNH Alt2 in the User Selectab...

Страница 12: ...lter can be adjusted here as well Filter1 It may be used as a turbulence filter and can be adjusted from 0 1 sec to 1 sec Settings 1 to 10 default is 1 4 3 Digital Vario The digital vario has a scale...

Страница 13: ...ing The vario value is re calculated every 0 2 seconds Rapid vario changes may result in wide variations in tone frequency The ear registers it as a fast piano effect In order to change this a dampeni...

Страница 14: ...surements above 1km h it is also well suited in determining the wind strength at take off In the Basic Settings Speed Correction vane it is possible to calibrate the displayed speed from 70 to 150 def...

Страница 15: ...re you should always look for the best possible visibility around you with the antenna under the COMPETINO label pointing upwards When the unit is securely mounted to a flight deck etc it should not h...

Страница 16: ...once every second Speed over ground is derived from the distance between these positions Only from the difference between airspeed and groundspeed can one make conclusions about the wind s influence...

Страница 17: ...y important to know wind direction and strength before an out landing The Wind Strength can be selected within the User Defined Fields It is necessary to fly one or two complete circles as steadily as...

Страница 18: ...ints After briefly pressing the Enter key the display shows the list of logged waypoints WPs All WPs are arranged in alphabetical order If this list contains more than 6 visible WPs a down arrow at th...

Страница 19: ...Provided the COMPETINO is receiving GPS signals the actual position is displayed by pressing the Enter key in the unit s information field After 20 seconds the previous display will automatically rea...

Страница 20: ...ll have available to use if necessary in order to compensate for unexpected sink Under no circumstances should the pilot go ahead and fly towards goal if the Alt a BG Height shows zero or negative num...

Страница 21: ...d with the program Flychart 4 50 or others from your PC to the Competino A route is a string of waypoints of course the WPs have to already be in the COMPETINO s memory Again if a WP is used in a rout...

Страница 22: ...ess The display asks copy to Competition route confirm with Yes Please note start cylinder cylinder radii and start time have to be set separately Within this procedure all radii are reset to the defa...

Страница 23: ...0 If only one fix start time is given the number of gates has to be set to 1 the interval then does not care There is also a count down timer linked with the Start Cylinder This lets the pilot know ex...

Страница 24: ...means that their cylinders must be entered The alarm remains active when entering a called up waypoint cylinder along the route even if a waypoint not belonging to the route has been selected With th...

Страница 25: ...ulation graphically A Crosshair now is showing the path into the goal The pilots position is marked by a glider symbol The horizontal scale of the crosshair indicates the deviation from the course int...

Страница 26: ...rst 20 CTRs are free of charge for more please contact Brauniger to get a license number which has to be entered in Main Setup Menu Optional SW Packages These airspace s appear in the Map mode as poly...

Страница 27: ...he Esc key briefly If manual recording is chosen recording begins 1 minute after the instrument is switched on and continues until the Esc key is pressed for 3 seconds The unit prompts Do really switc...

Страница 28: ...ing can be slightly higher than the ambient air temperature especially when in direct sunlight 8 2 Time and Date Time date and year does not need to be adjusted as it is automatically set by the GPS r...

Страница 29: ...the Goto function can be called up to select a waypoint If the direction arrow in the middle of the compass points upwards the pilot is moving towards his goal and the distance to the WP becomes smal...

Страница 30: ...e it is definitely destroyed The proper procedure is as follows Take out all batteries Open the instrument case at once If the landing is in salt water rinse the circuit board and all areas affected w...

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