12/30/2023 0 Comments Glider planeTECS.sp and TECS.spdem, and via telemetry you can use NAV_CONTROLLER_OUTPUT.aspd_error. Is the aircraft maintaining the demanded airspeed? The actual and demanded airspeed can be seen in the onboard log as The glider is slipping or skidding through the air when it is not pointing directly in the direction it is flying, relative to the air mass around it. Watch the telemetry graphs or look at the Dataflash logs after the flight. It should climb to SOAR_ALT_CUTOFFĪnd then begin a gliding descent. Launch the aircraft and put it in AUTO mode. Set SOAR_ALT_CUTOFF to an altitude high enough toĪllow a good length of time to be spent gliding. SOAR_VSPEED to a large number, say 50.0, or use the RC switch TECS_SPDWEIGHT is set to 2.0, SOAR_ENABLE to 1 and set If your aircraft has trouble maintaining airspeed accurately you can tune it by confirming that As an exception to this, if the previous mode was FBWB orĬRUISE, and thermalling ended due to reaching SOAR_ALT_MIN,įor best results the TECS needs to be set up to fly the aircraft at a consistent airspeed when The flight mode will be returned to whatever it was before LOITER was The aircraft drifts more than SOAR_MAX_DRIFT - see Limit maximum distance from home Thermalling has lasted at least SOAR_MIN_THML_S seconds. The estimate of achievable climb rate falls below SOAR_VSPEED, and Lets see how far your glider can fly To create your own glider, you will need the following items: Cardboard - 1.5mm, 2mm, 3mm. LOITER mode is exited under the following conditions: While in LOITER mode the aircraft will adjust the loiter position to better centre the thermal. SOAR_VSPEED and the RC switch position allows it, the aircraft will automatically enter LOITER mode. If, during gliding flight, the air is estimated to be rising at more than When the aircraft reaches SOAR_ALT_CUTOFF altitude, throttle is set to zero again. In FBWB or CRUISE modes, if SOAR_ALT_MIN altitude is reached, an RTL will be initiated, so the pilot must disable Soaring, or change to a mode other than FBWB or CRUISE to climb back above SOAR_ALT_CUTOFF to begin gliding again and prevent an RTL beginning. If it is above SOAR_ALT_CUTOFF altitude, then Soaring can occur once that altitude has been reached. If that waypoint altitude is less than SOAR_ALT_CUTOFF altitude, then Soaring can not begin before reaching the waypoint. In AUTO, if the aircraft descends to SOAR_ALT_MIN altitude, throttle is re-enabled and the aircraft will begin to climb to the altitude of the next waypoint. If modes AUTO, FBWB or CRUISE are entered, and Soaring is enabled, the throttle is set to zero provided the aircraft is above SOAR_ALT_MIN altitude and the aircraft then begins gliding. This picture shows the different phases of flight when using the soaring Consistent operation without an airspeed sensor is a pending future development. Use without a sensor could yield unsatisfactory results. The winner is the pilot who accumulates the most points at the end of the contest.Use of an airspeed sensor is strongly recommended in order to obtain optimum performance. Non-finishers (pilots who did NOT make it around the course) are awarded points based on how far they made it around the course, but they always receive fewer points than the slowest finisher. pilots who made it all the way around the course) receiving a fraction of 1000 points determine by the ratio of their speed to the winners speed. The winner of a race is awarded 1000 points, with each finisher (i.e. Of course, if the pilot is getting low and is in danger of "landing out", any lift, no matter how weak, will suffice! Often, a pilot will pass up a weak thermal and instead continue gliding in search of a stronger one. These include how fast the pilot can climb in the thermals, how fast the pilot flies between thermals, and how much "sink" the pilot encounters while gliding. Several factors determine how long it takes the sailplane to fly around the course. Global Positioning System (GPS) data is used to verify that the sailplanes flew around the turnpoints. The pilots must then fly from the start, around the turnpoint(s), and back to the finish line. After all of the gliders have been launched, the race is started. Once the lift is strong enough, the gliders are towed aloft to an altitude of 2,000' above the ground. Typically, a sailplane contest lasts several days, with one race being held on each day.īefore the race starts, all the sailplanes are lined up on the runway. In a sailplane race, a course is set around one or more turnpoints, with a finish line at or near the starting airport.
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