Originally Posted by
Flying Fred
The usual reason for leaving the gear down after takeoff is because a wheel brake has been deactivated. This is an allowable defect. In a normal gear retraction, the brakes are automatically applied to the main gear wheels so that the wheels have stopped spinning by the time they enter the gear bay. In the case of a deactivated brake, the wheels have to be left down for 2 min after takeoff to allow the wheels to stop spinning.
Originally Posted by
Cough
The usual reason for leaving the gear dangling after a normal takeoff is a brake unit locked out. You give it around 2 minutes (precise time depends on type) for the wheel to spin down prior to retracting the gear.
Well if two posters independently think so, it must be true.
