02-18-2022, 04:37 PM
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Richard Mille RM 50-03 McLaren F1 Manual Winding Tourbillon Split-Seconds
RM 50-03 Mclaren F1, the world's lightest tourbillon split-seconds chronograph
A technical masterpiece with outstanding mechanical performance is the new Richard Mille movement.
Weighing just 38 grams including the strap, the RM 50-03 Tourbillon Split Seconds Chronograph Ultralight McLaren F1 is the lightest split-seconds tourbillon chronograph in the world. This achievement is due to the use of highly technical materials: Titanium and TPT™ carbon fibre not only enable an extremely open design, but also introduce a completely new material for the case, Graph TPT™.
The perfect representation of a chronograph: it combines the tourbillon escapement with the split-seconds function. In order not to go wrong, combining these two complexities in one mechanism requires perfect energy transfer. A technical masterpiece that provides outstanding mechanical properties.
Graph TPT™ case - Based on research from the National Graphene Institute at the University of Manchester, our engineers worked with North Thin Ply Technology to outline practical applications on paper and investigate how graphene could be incorporated into TPT™ carbon. TPT™ Carbon stands out for its undulating stripes on its surface, consisting of parallel filaments - 600 layers in total.Swiss replica watches
The layers have a maximum thickness of 30 microns and are impregnated with a graphene-containing supercharged resin. They are then compiled by a CNC machine, which shifts the orientation of the fibers by 45° between layers.
Torque Indicator - This feature indicates the tension of the mainspring and allows to optimize the winding of the watch. Below 53 dNmm, the spring is too slack. However, above 65 dNmm, excessive tension may affect the operation of the mechanism or even damage it.
Torque Limiting Crown - This additional safety system prevents the watch from being accidentally overwound, which could result in damage, such as a broken winding rod or excessive pressure on the barrel spring.
Function Indicator - Similar to a car gearbox, the function indicator allows one to identify winding, neutral and pointer setting positions when the crown is pulled out.
Ultralight Tourbillon Movement Made of Titanium and TPT™ Carbon - Using high-tech materials such as titanium and TPT™ carbon combined with highly skeletonized components, creates a movement that weighs only 7 grams, yet is still resistant to up to 5,000 gram.Porsche Design 1919 GLOBETIMER 4046901418205
The new split-seconds system - the study of the working of the split-second clip and the six column wheels of the individual rockers of the control mechanism has perfected its simultaneous movement - essential for absolute accuracy -, functional Lock and stability of its settings over time.
Caliber RM50-03: Hand-wound tourbillon movement with hours, minutes, split-seconds chronograph, 30-minute totalizer, and power reserve, torque and function indicators.
Dimensions: 44.50mm x 49.65mm x 16.10mm.
main feature
Power reserve: Approx. 70 hours (±10%), indicated by a digital scale at 11 o’clock.
Titanium and carbon fiber TPT™ ultralight tourbillon movement
The RM50-03 movement weighs only 7 grams. This record weight was achieved by using high-tech materials and skeletonizing its components as much as possible.
Grade 5 titanium baseplates and bridges are highly corrosion resistant and very robust, allowing the gear train to operate with ease. This alloy (90% titanium, 6% aluminium and 4% vanadium) enhances the latter's mechanical properties.
Part of the bridges of the split-seconds chronograph are made of carbon fiber TPT™, and the transverse brackets together with the barrel and tourbillon bridges support the entire movement. Attached to the case strap, this bracket avoids the need for a case ring, allowing the movement to be perfectly integrated into the case.
All these technical solutions give this complex movement an extremely high weight-to-drag ratio, an impressive resistance capacity, and a shock test of 5,000 grams in our workshop.best replica watches
New minutes and seconds system
The RM50-03 movement introduces the latest generation of split-seconds mechanism developed by Richard Mille engineers. The new column wheel operates the different levers of the split-seconds function, optimizing the operation of the chronograph. While previous Richard Mille chronographs have traditionally featured 8-column wheels, the wheel equipped with the RM 50-03 now has only 6-columns to ensure optimised synchronised movements, maximum functional locking and greater adjustment durability. In-depth research into gripper functionality has also led to new gripper designs. The coil springs have also been replaced by vanes on the RM 50-03's chasing seconds wheel, a technical decision that reduces torque variations when the chasing seconds function is activated.
All these developments have significantly improved the timekeeping performance of this tourbillon movement and halved the energy consumption of the chronograph, while reducing friction on the arbor.
Purpose: The pusher at 8 o'clock starts or stops the chronograph second hand. The pusher at 4 o'clock stops the double-second hand and allows the intermediate time to be read when the chronograph is started. When the button is pressed again, the rattrapante hands catch up with the chronograph hands and continue their movement at the same time. A pusher at 10 o'clock resets the hands.replica Patek Philippe Aquanaut Watches
Torque Indicator
This function indicates the tension of the mainspring and can optimize the winding of the watch. Below 53 dNmm, the spring is too slack. However, over 65 dNmm, excessive tension can affect the operation of the mechanism, or even damage the mechanism. (These indications appear on the digital scale on the right side of the barrel).
function indicator
When the crown is pulled out, the hands indicate winding, hand setting or neutral position, similar to a gearbox on a car. The hand at 4 o’clock shows the selected mode: W (winding) – N (neutral) – H (hand setting).
Free sprung balance with variable inertia
This type of balance ensures greater reliability in the event of impacts and during assembly and disassembly of the movement. The long-term accuracy of the watch is thus improved. The adjuster index has been removed and four adjustable weights are now available for more precise and repeatable inertia adjustment.
Rapidly spinning barrel (6 hours per revolution instead of 7.5 hours)
This barrel has the following advantages:
Periodic internal mainspring sticking is significantly reduced, resulting in improved performance.
The excellent delta of the mainspring curve and the power reserve perfectly balance performance and regularity.
Cartridge pawl with progressive recoil
This unit allows a considerable winding gain (around 20%), especially at the beginning of the winding. It also helps to properly distribute the internal tension of the mainspring.
Barrel teeth and third wheel pinion with central involute profile
The central involute profile of these teeth applies pressure at an optimal angle of 20°, which increases the efficiency of the gear train and compensates for any potential penetration variation. This results in excellent torque transfer and significantly improved performance.
Modular Hand Setting Mechanism on the Case Back
This has the following advantages in terms of service life and maintenance:
Since the module is assembled outside the movement, it can be replaced without touching the base plate during procedures or maintenance operations.
Assembly and disassembly of the module from the back does not require dismantling the hands and dial.
Grade 5 Titanium Spline Screws for Bridge Plates
These screws are designed to better control the torque applied during assembly. Therefore, these screws are not affected by physical manipulation during assembly or disassembly and can be used well.
Jacob & Co. ASTRONOMIA CASINO AT160.40.AB.AB.B
Other features
Movement Dimensions: 31.10mm x 32.15mm
Thickness: 9.92mm
Tourbillon diameter: 12.40 mm
Balance diameter: 10 mm
Number of gems: 43
Balance wheel: Glucydur, 2 swing arms and 4 set screws
Moment of inertia: 10 mg.cm², rise angle 53°
Frequency: 21,600 vph (3 Hz)
Hairspring: Nivarox® elinvar
Shockproof: KIF Elastor KE 160 B28
Nickel-free Chronifer (DIN x 46 Cr 13 + S) thru-axles have the following properties:
Stainless Steel - Antimagnetic - Suitable for Tempering
CASE IN GRAPH TPT™
The bezel and caseback feature Graph TPT™, a carbon TPT™ whose physical properties have been dramatically improved by infusing graphene, a revolutionary nanomaterial that is 6 times lighter than steel yet durable 200 times more sexual.
Thanks to a collaboration between the University of Manchester, McLaren Applied Technologies and North Thin Ply Technology (NTPT®), Richard Mille has successfully produced a case machined from modified carbon TPT™. Extensive control and verification testing by McLaren Applied Technologies made it possible to develop a solution resulting in Graph TPT™, a material exclusively used by Richard Mille in watchmaking.
With its unique wavy patterned structure, Carbon TPT™ consists of 600 layers of parallel filaments obtained by separating carbon fibers. These layers, each with a maximum thickness of 30 microns, are impregnated with a graphene-containing resin. They are then assembled using a specific machine that stacks the layers by changing the orientation of the fibers by 45° between the two layers. The composite is then hardened in a kiln heated to 120°C at a pressure of 6 bar.
In the Richard Mille manufacturing facility dedicated to machining movement parts and cases, tasked with machining Graph TPT™, a great deal of time is spent developing programs and producing suitable cutting tools to provide machining accuracy down to the nearest micron.
The case of the RM 50-03 features two nitrile O-rings and is water-resistant to 50 meters. The case is assembled with 20 grade 5 titanium alloy spline screws and 316L stainless steel wear washers.replica luxury watches
Case with spline screws in grade 5 titanium
This allows for better control of the torque applied to the screw during assembly. Therefore, these screws are not affected by physical manipulation during assembly or disassembly and can be used well.
Torque Limiting Crown
This additional safety system prevents accidental overwinding, which could damage the winding stem or put extreme pressure on the mainspring barrel.
upper and lower flange
Filled with Carbon TPT™ and filled with an approved luminescent coating.
dial
Grade 5 titanium with black plated finish.
Bezel and Case Back
Bezel side: Sapphire crystal (1,800 Vickers), anti-reflective treatment (both sides)
Thickness: 1.10mm
Case back: sapphire crystal with anti-reflection treatment (double-sided)
Thickness: 1.00mm
Graphene-infused rubber strap
Thanks to a collaboration between Richard Mille and the Swiss company BIWI SA, a company specializing in ultra-precise molding of vulcanized elastomers, graphene is injected into the rubber strap of the RM 50-03 to improve its rubber-like behavior , hence its wear resistance.
endgame
move
Hand polished chamfer
Hand polished locking section
Sapphire Microblast Slicing
Grinding and polishing contact points
polished pivot
steel
Brushed and micro-blasted surfaces
Hand polished chamfer
wheel
Concave Chamfering with Diamond Tools
Front surface of round decoration
Rhodium plating (before incision)
Minimal modifications to the wheel to maintain its geometry and overall performance
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