Richard Mille Tourbillon RM 021 “Aerodyne” part 2

A beautiful masterpiece by Richard Mille

 
Rating: 67 %1000 with 212 votes
Published by 3809 on October 20th, 2010 at 07:24 p.m..

MAIN FEATURES
(MANY OF WHICH ARE MAJOR TECHNICAL INNOVATIONS)
MOVEMENT BASEPLATE OF TITANIUM & HONEYCOMBED ORTHORHOMBIC TITANIUM ALUMINIDE WITH CARBON NANOFIBER CORE

Orthorhombic titanium aluminides are new group of alloys, developed from the main class of titanium aluminum, which possess a specific crystalline molecular structure ordered on the orthorhombic phase of Ti2AlNb. Its use within a honeycombed geometrical pattern was originally the subject of research by NASA for application as a core material of supersonic aircraft wings, where resistance to
extremely high temperatures and torsion is paramount. The alloy in this honeycombed form has unparalleled stiffness, a low thermal expansion coefficient and exceptional torsion resistance.

POWER RESERVE
Circa 70 hours, indicated on the power reserve barrel located between 11 and 12 o’clock.

TORQUE INDICATOR
Utilizing a numeric scale located between 12 and 1 o’clock, the indicator provides visualization of the mainspring’s internal tension, allowing optimization of the movement’s timing. Below 53 dNmm, the spring is too slack; at the other extreme, above 65 dNmm, excessive tension can adversely affect the running of the movement and may even cause damage.

VARIABLE INERTIA, FREE SPRUNG BALANCE
The free-sprung balance gives better reliability in the event of shocks, movement assembly and
disassembly, and also guarantees better chronometric results over an extended period of time.
FAST ROTATING BARREL (6 hours per revolution instead of 7,5 hours)
This type of barrel provides the following advantages :
- The phenomenon of periodic internal mainspring adhesion is significantly diminished, thereby
increasing performance,
- Provision of an excellent mainspring delta curve with an ideal power reserve/performance and
regularity ratio.
BARREL PAWL WITH PROGRESSIVE RECOIL
This device permits an appreciable winding gain (circa 20 %), especially during the start of winding.
It also aids in the even distribution of the mainspring’s internal tension

 
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