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Conical Wheel Locks
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 1/2" CHROME CONICAL LUG WHEEL LOCKS (Set of 4 Locks)  US $2.95
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Gorilla Automotive 61631 Acorn Guard Locks (12mm x 1.50" Thread Size) - Pack of 4 Sale Price: $16.17  |
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McGard 24157 Chrome Cone Seat Wheel Locks (M12 x 1.5 Thread Size) - Set of 4 List Price: $27.99 Sale Price: $19.95 |
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Here are some more information for Conical Wheel Locks:
An increasingly popular modification RZR owners are doing is removing the plastic spacer that is on the crank shaft in the drive clutch assembly. This can increase your to RZR's top speed by as much as 10 mph.
The RZR's transmission is a pulley based constant velocity transmission (PVT) that consists of 3 major assemblies, the drive clutch, the driven clutch, and the drive belt. The drive clutch and the driven clutch both consist of two conical shaped pulley halves, called sheaves. The transmission operates by sensing centrifugal force that cause shift weights to push against rollers that push the movable sheave closer to the other sheave to pinch the drive belt. The closer the two sheaves are pushed together the further out the belt is pushed.
Removal of this spacer allows the two sheaves to come completely together where the belt would move out to the largest diameter on the sheaves. We have found this will increase your RZR's top speed anywhere from 5-10 mph. Some will say this is going against the original design of the transmission, but we speculate that it was designed without the spacer and was added on later as an easy way to limit the RZR's top speed for liability reasons. We have heard some arguments that removal of this spacer will decrease the life of your drive belts, but we have yet to have any issues. A proper break in period at lower speeds for the first 100 miles on a new RZR or after a new belt is installed is highly recommended to ensure a longer belt life.
Removal of the plastic limiting spacer is a simple process that requires a clutch compression tool that can be purchased through your local Polaris dealer (part # 8700220)
1. Remove driver and passenger seats.
2. Remove panel that is behind the seats to gain access to the outer clutch cover.
3. Remove the push rivets and fasteners holding the rear seat base and remove from vehicle.
4. With a screw driver loosen the clamp that holds the clutch outlet duct to the clutch cover and slide it off.
5. Remove outer clutch cover screws and remove clutch cover.
6. Remove drive clutch assembly by removing the clutch retaining bolt that threads into the crank shaft. (Facing the rear of the vehicle the drive clutch is the clutch assembly on the left) To remove the clutch retaining bolt you will need to secure the drive clutch assembly, aka the spider cage to keep it from spinning. A wooden hammer handle slipped into the spider cage works well for this. The clutch assembly is pressed onto the crank shaft and can be fairly easy to knock loose by tapping on it with a rubber hammer. (This is where the factory service manual would tell you to use a drive clutch puller, which you can order through your local dealer, part # PA-48595)
7. Once the drive clutch assembly is removed take it to a work bench where you can install a spring compression tool. Once it is clamped down you can loosen the 6 3/8" bolts that hold the clutch cover plate on. Once bolts are removed you can then loosen the spring compression tool unloading the clutch spring and then remove the cover plate. Before removing the cover plate use a sharpie to mark where it is aligned with the drive clutch assembly. They need to be bolted back together the same way because it is the way they were balanced from the factory.
8. After the cover plate has been removed you can slide the main clutch spring off and then remove the plastic spacer that sat inside it.
9. With the plastic spacer now removed slide the clutch spring back on then with the clutch spring tool compress the assembly back together until you can get the 3/8" bolts started. Tighten them the rest of the way torqued to 20 ft pounds.
10. Reinstall sheave assembly by sliding it back onto the crank shaft, then re install the clutch retaining bolt that threads into the crank shaft. Be sure you have the lock washer, thick washer and the plastic collar on the way they came off making sure the plastic collar centers in the clutch shaft as you tighten. This bolt needs to be torqued to 40 foot pounds.
To learn more about Polaris RZR's visit http://www.polarisrzrheadquarters.com where you'll learn everything you need to know about Polaris RZR parts, accessories, and long travel suspensions.
Ultimate Report of A. Lange & Sohne Pour le Merite Watch
A. Lange & Sohne Pour le Merite Watch features a complicated fusée-and-chain transmission. The fusee makes the watch more accurate, much like a tourbillon. And like a tourbillon, it has great chronometric value among collectors.
Precise, Preciser, RICHARD LANGE "Pour le Merite"
The third Lange wristwatch with a fusée-and-chain transmission continues the tradition of observation watches that are fully focused on precise time measurement. This horological rarity with its three-part enamel dial has famous historic forebears.
The pocket chronometer - the timepiece of the scientific elite - has always been a coveted rarity. It dates back to around 1880 at A. Lange & Sohne, when Richard Lange, the company founder's oldest son and technical director of the family business, was already inspiring the craft of precision watchmaking. Overall, only about 30 of these unusual timepieces were ever made. Now, the chronometer with a fusee-and-chain transmission is experiencing a renaissance, as an exclusive timekeeping instrument for the wrist dedicated to mechanical precision - reduced to this sole purpose, without any further complications. Its name: RICHARD LANGE "Pour le Merite".
Following the TOURBILLON in the first collection and the TOURBOGRAPH presented in 2005, this RICHARD LANGE model also bears the distinction "Pour le Merite". At Lange, it is reserved for exceptional complications such as the fusée-and-chain transmission. It refers to the order of merit initiated in 1842 by the eminent explorer Alexander von Humboldt and which is still awarded to great scientists and artists. But this distinction could also be understood as a commendation for the forefathers of Saxony's precision watchmaking industry. One of them is Richard Lange who enriched watchmaking with numerous inventions, most notably the steel-nickel alloy for balance springs that he patented in 1930. The alloy contains beryllium, making hairsprings thermally stable and resistant to magnetic fields. It is still widely used today for the same purpose.
The RICHARD LANGE "Pour le Merite" is the second member of a watch family dedicated explicitly to greater precision in time measurement. The first watch with the same name, a large and extraordinary three-hand timepiece devoted to the tradition of scientific observation watches, was a role model of accuracy and lucid design. The new model also has a case in platinum or pink gold with a diameter of 40.5 millimetres, perceptibly enhancing legibility. Puristically organised, the radiant white three-part enamel dial features narrow black Roman numerals for the hours and small red Arabic numerals for 15, 30, 45, and 60 minutes. Thirty elaborate processes are needed to produce each of the three subsidiary dials. The result is an immaculate enamel face that sets a brightly contrasted stage for the classic blued-steel hands. An aperture in the dial that could have shown the fusee-and-chain mechanism from the front was deliberately omitted so that nothing would distract the owner from telling the exact time at a glance.
More Effective Than a Tourbillon
Thus, the second RICHARD LANGE also focuses the attention of its owner on the objective of all horological ambitions: the greatest possible degree of precision. It relies on an ingenious construction, a drive based on the chain-and-fusée principle used as early as the 15th century among others by Leonardo da Vinci. In his standard reference book "Watchmakers and Clockmakers of the World", G.H. Baillie characterised it as follows: "Perhaps no problem in mechanics has ever been solved so simply and so perfectly". However, it takes the ultimate in know-how and dexterity to craft this intricate mechanism in a size that can be accommodated by a wristwatch, so understandably, it is much rarer today than the tourbillon. At the same time, it is much more effective in a wristwatch because it overcomes the greatest disadvantage of the winding train - the unavoidable loss of torque - by intelligently harnessing the principle of levers.
The fusée-and-chain transmission compensates for the declining spring force, keeping the effective torque constant across the entire power-reserve period. For this purpose, the drive function, usually handled by the mainspring barrel alone, is taken over by two components: the mainspring barrel and the adjacent tapered fusée. The two components are connected by a dainty chain which in the case of the RICHARD LANGE "Pour le Mérite" consists of 636 individual parts. At one end, it is attached to the broad lower end of the fusée and at the other to the exterior of the spring barrel. A slot is milled into the conical surface of the fusée that leads to the narrowest point, much like a spiral path that leads to the summit of a mountain. When the watch is being wound, the chain unreels from the outer wall of the barrel and wraps around the fusée until - if we stick with our metaphor - it arrives at the summit of the mountain. In this state, the radius of the fusée, i.e. the magnitude of its leverage, is small but the torque delivered by the mainspring is large. As the mainspring gradually unwinds, its power diminishes. But as the chain unreels from the fusée and back onto the barrel, the length of its lever- the effective radius of the fusée - increases by the exact same measure as the spring's torque decreases. The result is constant torque at the fusée's arbor and therefore constant amplitude of the balance.
A Horological Opus
This complex system can only function flawlessly if three additional precautions are taken. The first one is a system that blocks the winding process just before the mainspring is fully wound and thus prevents the chain from tearing. In this mechanism, the vertical motion of the chain is used to actuate an intricate system of levers that block the ratchet wheel at the right moment. The second precaution is a mechanism that stops the movement before the mainspring is fully relaxed. This function is assumed by a modified power-reserve wheel that controls a stop lever. After exactly 36 hours, the lever drops into a recess in the wheel. Assisted by a spring, the longer arm of the lever moves into the engagement radius of a specially shaped finger seated on the fourth wheel arbor. The arbor is stopped when the two elements make contact. The seconds hand stays at the 12 o'clock position. Finally, the fusée-and-chain transmission needs a construction to ensure that the transmission does not stop while the watch is being wound. A complex planetary gearing inside the fusée preserves the power flow from the fusée to the movement during the winding phase. The most interesting details such as the chain, the blocking mechanism, and the ratchet wheel over the fusee that incorporates the planetary gearing are visible through apertures in the lavishly decorated three-quarter plate.
A further detail illustrates the degree to which the calibre designers pursued their quest for precision: to find the optimised match of the characteristics of the mainspring and of the fusée, the 36-hour working range of the mainspring can be adjusted in the direction of higher or lower torque. This can be done by a service watchmaker with a proprietary Lange tool that engages with a pretensioning ratchet on the mainspring barrel. The setting is locked with a pawl. Located above the three-quarter plate, this mechanism is easily accessible.
The exclusive calibre L044.1 movement is powered by an indexless escapement that beats with 21,600 semi-oscillations per hour and has a power reserve of 36 hours when fully wound. It incorporates a hairspring made in-house, precisely adapted to the oscillation system and the parameters of the movement. In turn, the moment of inertia of the large balance wheel with its 18 inertia and 4 poising screws, all made of solid gold, corresponds exactly to the torque delivered by the fusée. All components of the complex manually wound movement are crafted to the highest Lange quality standards and lavishly decorated. In addition to the balance cock, the separate escape-wheel and fourth-wheel cock are engraved by hand as well. Lange's master watchmakers also apply lavish decorations on parts of the movement that are not visible. Indeed, the RICHARD LANGE "Pour le Mérite" is not only a technically sophisticated precision timekeeping instrument, it is also a stunningly exquisite horological work of art.
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