Propeller provided with interchangeable blades and a method of mounting interchangeable blades on a propeller

A method of assembling the propeller of an aircraft, which propeller is provided with interchangeable blades and comprises:

• a hub;
• at least two blades;
• one fastening fitting per blade;
• and
• one rotation guide device per blade;
• wherein the method comprises the following steps:
• inserting each fastening fitting into the hub from the inside of the hub;
• mounting the at least two blades into respective ones of the fastening fittings outside the hub;
• and
• securing the blades to the respective ones of the fastening fittings;
• wherein the method further comprises an additional step of fastening at least one balancing weight to at least one of the fastening fittings and/or, when the propeller has locking parts, to at least one of the locking parts.

A propeller for an aircraft, the propeller having interchangeable blades and comprising:

• a hub;
• at least two blades, each of the at least two blades having a longitudinal axis;
• one fastening fitting per blade, each fastening fitting includes a pitch control finger and the propeller includes a pitch control device arranged inside the hub and co-operating with the pitch control finger of each of the fastening fittings in order to change the pitch of each blade;
• one rotation guide device per blade, each of the rotation guide devices being disposed between the hub and a respective one of the fastening fittings;
• and
• first fastening devices for fastening the at least two blades, and interconnecting each of the at least two blades and a respective one of the fastening fittings to secure each blade to a respective one of the fastening fittings to couple each blade to the hub via a respective one of the fastening fittings;
• wherein the first fastening devices are disposed outside the hub and extend from a first end to a second end in a direction different than the direction of a chord of the blade.