Translations:Manuals:MBUltraFblV5:Parametermenu/15/en

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Fast rampup speed (K)

When using the internal governor function and you change the head speed in the transmitter in flight (i.e. by switching to a different flight mode), there will not be an abrupt change but the system will increase the rotor rpm with a given rate that can be adjusted here. This rate also determines how fast the rotor head speed will increase when reactivating the Governor after an autorotation maneuver (Autorotation bailout). In this case, when the heli is still in the air, the normal soft start (which is set at point J) would take way too much time for the rotor to speed up again, so we use this faster spool up rate instead.

Status-LED Fast rampup speed
purple same as slow rampup speed (J)
red flashing 300 rps
red 500 rps
blue flashing 700 rps
blue 900 rps



  When using a very fast rampup speed in consequence the throttle will be opened very quick. Especially when recovering from an autorotation maneuver this can cause the rotor blades to fold in or will damage the main gear. So only increase the value stepwise and with care. With nitro helicopters using quite low values is recommended (even the setting "same as slow rampup speed (J)" may be sufficient) as here an abrupt throttle change from idle position can cause the engine to quit! Also nitro motors react quite slow to throttle changes and it takes some time to speed up the rotor. When the change rate does not fit to the physical speed up, it can happen that the motor is driven to full throttle during spool up by accident as the motor does not come to speed. In this case for technical reason it may happen that the systems stays at full throttle then!