It is known that over time a regular door and other hinges start to creak, and lubricate them from the inside is not so simple: sometimes you have to remove them, which is not always possible.
However, once you drill into the top level loop through hole to the axis, and lubrication is simplified, and the result is excellent: the loop will stop squeaking for a long time.
Recommend to read
SKINS TO CHOOSE FROM
One of the tips you have offered a convenient method of attachment of sandpaper to the sanding block rubber ring. I began to strengthen them not only one skin, but two: one side of...
What do you know about model airplanes?
Aeromodelling is a very beautiful and interesting hobby, but at the same time and time consuming. A long time is a training of improvised drones. Make them too easy. Why should only...