Translations:Manuals:BXFbl:Parametermenu/14/en
Fast rampup speed (K)
When using the internal Governor function and you change the headspeed on the transmitter in flight (i.e. by switching to a different flight mode), the change will not be abrupt - instead the system increases the rotor RPM at a rate that can be adjusted here. This rate also determines how fast the rotor headspeed increases when reactivating the Governor after an autorotation maneuver (autorotation bailout). In that case, since the heli is still in the air, the normal soft start (set at point J) would take far too long for the rotor to speed up again, so this faster spool-up rate is used 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, the throttle will consequently be opened very quickly. Especially when recovering from an autorotation maneuver, this can cause the rotor blades to fold in or damage the main gear. So only increase the value stepwise and with care. With nitro helicopters, using rather low values is recommended (even the "same as slow rampup speed (J)" setting may be sufficient), as an abrupt throttle change from idle can cause the engine to quit! Nitro motors also react quite slowly to throttle changes and take some time to speed up the rotor. When the change rate does not match the physical spool-up, the motor can accidentally be driven to full throttle during spool-up because it hasn't come up to speed yet - in this case the system may, for technical reasons, remain at full throttle!
