Breitling Chronomat Slide Rule Manual

Breitling Chronomat Slide Rule Manual

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Breitling Chronomat Slide Rule ManualFor those of you that don't have a slide rule manual with your Breitling, I've reprinted a copy of a 1967 Breitling Slide Rule Manual - It will be the same as using a current Navitimer Slide Rule. Instead they will be linked on the corresponding Breitling watch model page. If you have a manual scanned that you can send over for us to post online that would be fantastic as it would make this resource more and more complete. Please email me if you have a digital copy of a manual that isn't here already. Mine is a bit scratched so here's a nicer photo fromThe Chronomat's emphasis on engineering and mathematics, science and industry seemed to offer hope for a future when the war would be over and reconstruction could begin.I figure there's got to be some method of setting the outer ring. Visit our locations page for details. The health and safety of our colleagues and customers remains our priority. Our online store also remains open. Please note that some deliveries may be slightly delayed, but we are working hard to deliver everything as quickly and as safely as possible. If you have any specific questions or concerns our customer services team are here to help.Remember when you had to just know who was in a movie, or what that song was. Before then, before all of that, there was a time when complex calculations were only achievable by hand or with a slide rule. It’s a skill that’s been lost over generations, but today we’re going to find out how, exactly, this mess of lines and numbers actually works. It wasn’t even originally made for pilots, either. It was 1934 when Willy Breitling, son of founder Leon Breitling, filed a patent for the first chronograph design with not one but two pushers, splitting the start-stop function from the reset for the first time. This set him off on a quest to produce the ultimate chronograph, something that didn’t simply record time, but could be used as a computer.http://hanyangsteel.com/files/fckeditor/15462662305f4b2167b9e96.xml

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He wanted to manufacture the ultimate chronograph, not one targeted at a single industry; as if to hammer his intentions home, he spent the 1940s making watches that had nothing to do with aviation. Chronomat: chronograph for mathematics. Pressure from the Aircraft Owners and Pilots Association to create a specialised version of the Chronomat forced Willy to finally give in, and so he recruited mathematician Marcel Robert and the AOPA to help him convert the Chronomat’s bezel to aid navigation. His new watch, the navigation timer, or Navitimer, was announced in 1952. But how on Earth does it work? Given how unlikely it is that you’ve used a slide rule before, it’ll help to explain a few quirks of the process first. That’s not wrong. This means they are zeroed for different scales, serving as a reference point in the alignment of the rule. The slide rule pays no heed to decimal places, and that means finding the number closest to the one you want regardless of where the decimal point sits. If you want 180 on the slide, for example, you’ll use 18, and if your answer reads 32.5, as another example, and you know it should be in the hundreds, you’ll read it as 325 instead. Say you want to try your hand at some multiplication, 9 multiplied by 12, for example, here’s how you do it: align the unit index 10 on the outer scale—the reference for this calculation—to 9 on the inner. Now the scale is aligned to all multiplications of 9. All you need to do next is find 12—the number you want to multiply by 9—on the outer scale and read the answer from there: 10.8, which we know should be 108. For 15 divided by 12, say, we move 12 on the outer scale to 15 on the inner scale, then read the answer from the outer unit index 10: 12.5, which we know should be 1.25. Alright, how about a speed calculation: you’ve flown 104 miles in 35 minutes—so move 10.http://www.eggo-ural.ru/uploads/brother-9840cdw-service-manual.xml4 on the outer scale, the closest to 104 miles, to 35 on the inner scale, and you’ll get an answer at the MPH indicator at 12 o’clock of 17.8—178mph. We’ve got 11.5 gallons per hour on the outer scale, we move it to MPH, we read 210 minutes on the inner scale—21 being the closest number—and we get 41 gallons. Rate of descent even, 300 feet per minute over 34 minutes: read 300 feet per minute on the outer scale as 30, move it to the inner unit index 10, and the answer from the inner scale for 34 minutes is 10.2—10,200 feet. It was a corner of the market that Willy rather begrudgingly dominated, ironically creating the very legend of Breitling that he was trying to avoid. Still, create it he did, what is now a historic relic of a mechanical era in more ways than one. Thank goodness for computers! Click here to shop now Not so the RM 028 from Richard Mille. It does none of those things. In fact, it’s pretty straightforward. So why is it one of the craziest dive watches ever made? Here are three things you should consider before you buy a Speedmaster. You’ll pay for that complication, mind, and it doesn’t come cheap—?11,850 in steel with a splash of white gold, to be precise. And that got me thinking—is there something better you could get with that money instead? Sure, they’re popular, but there’s a wealth of watches beyond those two best-sellers that we’d be missing out on if we didn’t go looking elsewhere. So how about this, then: the perfect three-watch collection without a Rolex or a Patek Philippe in sight! For the Patek Philippe 5270, a high-complication piece from one of the oldest and most famous watchmakers on the planet, it’s an experience very few will get to enjoy. Here’s what it’s like. They look like an on-board calculator, and are a distinctive design feature,It can also natively perform conversions from nautical miles, statute miles and kilometers.http://www.drupalitalia.org/node/76505 A complete instruction manual is included with the watch's papers;For instance, the famous Concorde airplane was partly designed with it. That way, the rotating bezel is not directly connected to the inner slide rule sleeveThis does make the slide rule easier and smoother to use.If your browser supports advanced SVG Still, you can align the numbers and the bezel if you keep rotating the bezel in one direction,Yes, it's just a matter of aesthetics. It is not a helium release valve (unlike in a couple of high-end diver's BreitlingsIt is said to be an access point used for oiling and maintaining the gears.Page created on 2020-03; last update on 2020-03. These are useful for multiplication and division as well as ratios and percentages (which are really just multiplication.) Great, this is the type of slide rule discussed in this tutorial. Sadly, this page will not be helpful to you.Always select the two-digit number closest to the two most significant digits in your value. Let's take a look at some examples to make this clear: You have to figure out the appropriate amount of zeroes to get the correct answer of 30,000. Basically, you set a multiplier on one scale that creates a lookup table on the other scale. Here's how to do it. (My instructions will refer to the inner and outer rules. Since the C and D scales are identical, you can actually swap them and it'll still work!) This sets the multiplier to 5. It should line up with 30 on the outer rule. 60 here represents the 6 from our equation. 30 is our answer. It should line up with 14 on the outer rule. Now it's correct! You'll quickly get a hang of it. It aligns with 20 on the outer rule. It aligns just a little past 71 on the outer rule. Still, it's a wonderful estimation tool. All of the conversions work the same way and they're very simple. Note: my instructions assume that the unit indicators are on the outer rule. If they are on the inner rule, simply reverse my instructions. We'll start with 22 nautical miles.http://daniela-vashiron.com/images/breitling-aerospace-e75362-manual.pdf It aligns just slightly past 40 on the outer rule. Some make it simpler by including a time scale on one of the rules which translates from minutes to the familiar HH:MM format. One of the many original uses of flight computers was to estimate time of arrival. Here's how you might calculate ETA. Note: my instructions assume a time scale (if any) is on the inner rule. What's your ETA? It aligns roughly with 70 and with 1:10. The answer is that you'll arrive in about 70 minutes (or one hour and ten minutes). If we had 500 miles to go instead of 50, the answer would have been approximately 700 minutes, which is obviously NOT 1:10! Say we're going 70mph and we'll be doing it for 1:30 (one hour and thirty minutes - or 90 minutes): It aligns roughly with 10.5 on the outer rule. The answer is that you'll travel about 105 miles. Say we went 250 kilometers and it took two hours: It aligns with about 12.5 on the outer rule. That's the answer. You would have gone 12.5 kilometers per hour You can find out what it would cost by aligning 10 on the inner rule with 80 (you'll pay 80 if it's 20 off) on the outer rule. If everything is 20 off, you never have to turn the rule again to see the sale prices of all of the items in the store. A 17 tip in a restaurant is easily calculated by aligning 10 on the inner rule with 17 on the outer rule.Once you get proficient, it's fast and easy. I actually had no idea that these watches contained slide rules. The geek-factor of having a slide rule on your wrist as well as the aviation and space-race connections sold me on the concept. The standard features are: Interestingly, a Heuer stop watch became the first Swiss watch to make it into space via John Glenn. Let me know if the link is bad again.) Wenger has a nice Commando watch with a slide rule. The Flight Master series has slide rules. Have also produced slide rule watches under these brands:Made at least one model with a slide rule. Also produces under the brand.http://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/162862a551129c---C253-user-manual.pdf The Rallye Timer watch may no longer be made, but had a slide rule. Makes several inexpensive watches such as the Aviator series with slide rules. The Force Flight series is cheap and has a slide rule. Has an Aviator model which runs on solar power and has a slide rule. The instructions I found online for using slide rule watches or slide rules in general were confusing, loaded with math terminology or (in one case) simply wrong. I have strived to make this tutorial succinct and accurate. As many of you know, watches with slide rule functions have 2 logarithmic scales (the outer of which turns). In contrast, a tachymeter scale is hyperbolic and typically has numbers that run in from infinity down to sixty. Both slide rule and tachymeter watches use non-linear scales. Let’s look a bit at a generic scale. This scale might not look like all slide rule bezels, but there are analog indicators on most slide rule bezels so that the same functions can be used. No change from the previous example. The actual temperature “F” also needs 32 added to it as freezing is 32 F. My father, being an engineer, used slide rules and taught me how to use one when I was about 12. I preferred circular slide rules. While their inner scales lack precision, an advantage of a circular slide run is that you never have to move the center slide back to the other end when you exceed the scale on one end. And that makes them good for visualizing that a logarithmic scale conceptually have no beginning or end, it just keeps rolling around from 1.0 to, well, 1.0 at the next order of magnitude. Sometimes people ask, how will I know if the answer is 1.1 or 11 or 111, etc. As my father used to drill into me, you have to “know” the answer already (roughly) in your head. A slide rule only gives you precision. I will show you how you can use it for common calculations and other novelty functions that you can gain for your advantage when being asked by friends and admirers what the feature does.BANHTRUNGTHUVIP.COM/upload/files/bradford-white-installation-manual.pdf Don't be embarrassed by not being able to know the functions of your own watch again! Let's go step by step on their functions: Required: Ground Speed. A pilot finds by the use of checkpoint that he has traveled 104 miles in 35 minutes. What is the ground speed? Required: Time. A pilot wants to know how long it will take to go 486 miles at a ground speed on 156 miles per hour. On the inner scale opposite 486 on the mobile scale read 187 minutes (or 3 hours and 7 minutes). With the 156 on the mobile scale set opposite the hour index, what is the speed in miles per minute? Since the distance is short, the time required may be less than a minute, in which case the time has more siginificance when expressed in seconds.Required: Total gallons used. A pilot wishes to know how many gallons are necessary to fly 3.5 hours at an average rate of consumption of 11.5 gallons per hour. Then, opposite 210 minutes on inner scale on the mobile scale read 41 gallons. Required: Time. A pilot climbs to 7400 feet above his starting point at the average rate of 500 feet per minute. How long will this require. Opposite 7400 on the mobile scale, read answer, 14.8 minutes on the fixed scale. The methos used in examples 4 and 5 should be used. His average true air speed is 120 miles per hour and he is aided by a tail wind of 20 miles per hour. Opposite 14.8 minutes (computed from example 7) on fixed scale read 34.5 miles on mobile scale. The conversion from statute to nautical or nautical to statute miles is read directly on the mobile scale. Required: Nautical miles. Required: Kilometers. Look at the utility that it will provide you in the future! I have always wondered how that works. I am now wondering how accurate are replica slide rules. Would any of our dealer's replicas be accurate enough for these functions? Even with accurate markings it is difficult to get an accurate reading though.http://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/162862a5975dcb---C253-user-manual.pdf The markings are so small that it is hard to determine if the result of an equation is 72 or 73 for instance. But overall it can be a handy tool when in a pinch, and a fun toy to impress your friends with! I will add this to the Breitling Guide as soon as possible, and I hope Andreww will link it to his Navi Guide as well. I will add this to the Breitling Guide as soon as possible, and I hope Andreww will link it to his Navi Guide as well. I’m thinking of getting a navitimer 01 soon and will definitely try it out. Sent from my iPhone using Tapatalk Please consider starting a new thread rather than reviving this one. If you have an account, sign in now to post with your account.Paste as plain text instead Display as a link instead Clear editor Upload or insert images from URL. Always set the multiplier (the number by which Opposite 7 on the inner Read the answer,30, on outer scale opposite Just remember the time where calculators. Something went wrong. View cart for details. Results Pagination - Page 1 1 2 3 4 5 6 7 8 9 10 Got one to sell.User Agreement, Privacy, Cookies and AdChoice Norton Secured - powered by Verisign. There are 50 articles matching your search Filter clear all BY CATEGORY Culture Events Lifestyle News Uncategorized BY TYPE Video Image Interview CANCEL OK sort latest popular trending A - Z Filtered by Products, Image, Interview and Video Slide rule: what is it, and how does it work. More videos Culture Slide rule: what is it, and how does it work. Wednesday, 06 September 2017 By Vincent Daveau close Vincent Daveau Journalist, watchmaker and historian “When a pretty woman is an hour late, she is really fifteen minutes early.” Sacha Guitry “Passion is the spice of life!” Read More CLOSE View Profile 3 min watch X Play A watch with a slide rule is a rare beast, made by only a handful of brands and intended for a specialist audience.http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/162862a5e48a1a---C253-user-manual.pdf As interest in professional tool watches grows, it’s worth reminding ourselves how these mechanical calculators work, and why they were so important in the pre-digital age. Few companies make logarithmic scales a feature of their watches. Certainly the best-known and a specialist in the field is Breitling, with the Chronomat and later the Navitimer, although it doesn’t have exclusive claim on this function. Ikepod, designer Marc Newson’s brand, has used it on the Megapode in 2003, as has Richard Mille for certain of its special-use watches, including the RM 039 Aviation from 2012, and Ventura for the V-Matic Loga. A quick survey reveals that the majority of watch-wearers whose timepiece has such a function, be it a Breitling slide rule or an E6-B type, never use it for the simple reason they can’t remember how. These days, we’re not so handy with a slide rule, hence the need for a quick refresher course on logarithmic calculation before taking a closer look at the instrument itself, and what it can be used for. The circular slide rule has a mobile scale (on a watch, this is on the bidirectional bezel), and a second, fixed scale (on the dial), each with its own graduations. Together they can be used to perform simple mathematical calculations such as multiplications, divisions, conversions and “rule of three” cross-multiplications. Multiplications Multiplications: Look for the transferred red 10 on the fixed scale (between the markers for 2 and 3 o’clock). This is the reference for multiplications. Position one of the two numbers you want to multiply opposite it. For example, to multiply 9 by 8, rotate the mobile scale until the 9 aligns with the red 10, and read off the result from under the 8 on the fixed scale. That’s 72. Remember that multiplications are commutable, hence the result will be the same whichever of the two numbers is aligned with the 10 on the fixed scale.BANGTUTRANG.COM/upload/files/bradford-white-hydrojet-water-heater-manual.pdf Divisions Divisions: First, remember that the dividend must always be on the rotating outer scale and the divisor on the fixed inner scale. With that clear, to divide (for example) 30 by 4, set 30 on the outer scale opposite 4 on the inner scale. All that remains is to read off the result opposite the red 10 on the fixed scale. The same method can be used to divide larger or smaller numbers, by adding or subtracting 0. For example, if your dividend is 154, you should align 15.4 on the outer scale with whatever your divisor is on the inner scale. Once again, the result will be opposite the red 10, between 2 and 3 o’clock on the dial. Richard Mille RM 039 Aviation Speed and distance: Units of measure and distance are a common feature of the logarithmic scales used by Breitling, or the E6-B slide rule familiar to pilots. The one specificity of the Richard Mille RM 039 over other pilot watches is the capacity to calculate altitude and air density by way of a moveable indicator in the case band at 2 o’clock. The rotating scale (bezel) also serves to convert degrees Celsius to degrees Fahrenheit. Currency and temperature conversions: The first thing you will need to know before converting currencies using the slide rule on a Breitling Navitimer is the current exchange rate. The inner scale corresponds to euros and the outer scale to Swiss francs, with equivalent amounts in each currency opposite each other on these two scales. The method is the same for every currency, again provided the exchange rate is known. The rotating scale (bezel) also serves to convert degrees Celsius to degrees Fahrenheit. This done, line up 5 (50 on the rotating bezel) with 9 on the fixed scale. Now look on the fixed scale for the number you obtained after subtracting 32. The number opposite this is the equivalent in degrees Fahrenheit. Fuel consumption In-flight uses: The logarithmic scale that Breitling developed for its Navitimer in 1952 was intended first and foremost for pilots, and so it makes sense to look at the various flight-related calculations that it can be used for. Fuel consumption: This calculation requires the pilot to know at least two of three variables: the amount of fuel, time, hourly fuel consumption. Imagine the pilot is flying a plane that burns 22 litres of fuel per hour, and that the flight will last 4 hours or 240 minutes. To calculate fuel consumption, position 22 (litres) opposite the hour marker at 12 and read off the figure at 240 minutes (24), which is 88 (litres). Rate of climb or descent Rate of climb or descent: Again, the pilot needs to know at least two of three variables: altitude, time, rate of descent or climb. If, for example, the plane is climbing to 8,500 feet at an average of 600 feet per minute, to calculate time (how long it will take to reach the required altitude), the pilot aligns 600 (60) on the bezel with the red 10 on the fixed scale. The result is given opposite the number that corresponds to the final altitude (85 for 8,500), i.e. 14.10 minutes. Distance of climb or descent Distance of climb or descent: The pilot needs to know at least two of three variables: distance flown, time, rate of climb or descent. Supposing that the plane is travelling at 140 mph and that it reaches its altitude in 14.10 minutes, it has covered 33.1 nautical miles. To calculate this, set 140 (14) opposite MPH at noon. The result, 33.1 nautical miles, is shown opposite 14.10 (for the number of minutes), on the mobile scale. Rule of three Rule of three: Breitling’s slide rule will also perform a type of cross-multiplication known as the “rule of three” in a single operation. He doesn’t have the cash, and wants to know how much 7 bottles would cost him. He takes his Navitimer and positions 70 on the mobile scale opposite 12 on the fixed scale. We use cookies to ensure you the best experience on our website. If you continue to use it, we will consider that you accept the use of cookies. Before it made itself an essential piece of a pilot’s toolbox, it made dashboard clocks for planes and military chronographs. But none of these are as famous as the Navitimer. Its design hasn’t lost that wow factor despite being in its sixties and, although it’s been around for a while, that aforementioned slide rule makes it a bit of a connoisseur’s choice because unless you read the manual (or our cheat sheet below) or if you’re a pilot, very few people know how to operate it properly. Despite having one of the busiest watch dials out there and a not-small case size, the Navitimer is surprisingly wearable too, and will suit a range of styles from tailored through to weekend casualwear. For the rest of us, things are little woolier. Position one of the numbers in your multiplication opposite the ten and the other opposite it. Then read off the result under the second number in that sum. If you want to know what 9 x 8 is for example, align 9.0 with the 10, put the 8 opposite and read off the number under the 8. Your guide is the moving outer scale, with the result on the fixed inner. So, for 30?4, set the 30 on the outer scale opposite 4.0 and read off the number above the 10, which should be 7.5. Find out the conversion rate before you attempt this trick and align that number on the outer ring with the 10. If you’re converting sterling into Czech koruna (because, Prague) then ?1 is on the inner scale and K28.50 is on the outer and the equivalent amounts in each currency are opposite each other on the two scales. Jednoduchy. The 43mm case size isn’t too intimidating either, as can be seen on the photos on this page. When it’s this new 8. There’s no slide rule here just pure uncomplicated 1930s cockpit-inspired loveliness. At 41mm, it’s a more elegant take on traditional pilot’s design and harks back to Breitling’s history of making dashboard instruments. All in all, a solid 8 (out of 10). The case dimensions are exactly the same; the slide rule is there in all its complex glory and the dial is protected by Plexiglas rather than sapphire crystal. The only concessions to modernity are the 30-metre water resistance and the SuperLuminova, though even that has been coloured specifically to give it an aged feel. Corporate tie-ins can err on the side of tacky, but this livery really works. Going tricolour makes the slide rule more legible, the mesh bracelet is just lovely and having the Pan-Am logo on the case back adds a touch of “if you know” to the design. Obviously a 24-hour timescale is the ideal complication for the jet-set, and it looks right at home on this iconic pilot’s watch. By keeping the dial pale, the attention is drawn to the outer rings, which means that while you may have to squint a little, it isn’t that hard to read. It’s ideal for men who don’t like watches to dominate the wrist (and who don’t mind their partner’s timepiece-stealing habits), while the hint of rose gold pushes this design into slightly more dressy territory. Black tie might be taking it too far, but a navy corduroy number would be just the (first-class) ticket. This logarithmic scale, which has its roots in 17th century astronomy, was adapted to measure the three most important units for pilots: STAT for standard mileage, KM for kilometres and NAUT for nautical miles. These three combined allowed pilots to easily do complex calculations, such as average speed and fuel consumption. Willy Breitling, grandson of the brand’s founder Leon, pushed the aviation angle further with adverts specifically targeting pilots; something which cemented Breitling’s reputation as a brand for those who took to the skies. A fitting tribute to a watch designed take its owners to the world’s heights. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. This amount is subject to change until you make payment. For additional information, see the Global Shipping Programme terms and conditions - opens in a new window or tab This amount is subject to change until you make payment. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. For additional information, see the Global Shipping Programme terms and conditions - opens in a new window or tab Learn more - opens in a new window or tab See the seller’s listing for full details and description of We may receive commission if your application for credit is successful. All Rights Reserved. User Agreement, Privacy, Cookies and AdChoice Norton Secured - powered by Verisign. You can find the 46-mm Transocean Chronograph Unitime with chronograph and world time functions for around 9,000 USD new and 7,400 USD pre-owned. Measuring between 44 and 50 mm in diameter and over 17 mm thick, these timepieces are best suited to larger arms and short sleeve shirts. In the movie Die Hard with a Vengeance, John McClane, played by Bruce Willis, relies on the accuracy of a Chronomat. You will need to spend almost 6,200 USD for a new example of this 48-mm watch. Pre-owned examples are markedly less expensive at around 4,500 USD. The 50-mm Avenger Hurricane is constructed of lightweight black Breitlight, a material made up of composite fibers developed by Breitling. It is significantly lighter than stainless steel and very scratch-resistant. This timepiece costs about 7,400 USD new. Models in this price range include the in-house caliber B01. Older versions with the Valjoux 7750 are much less expensive and cost as little as 2,500 USD pre-owned. If you're lucky, you may even find one for under 2,500 USD. This pilot's watch, with its striking black dial, was originally introduced in 1952. Its scales enable a number of useful aviation calculations. For example, one can calculate speed, flight time, climb and descent rates, distance, and fuel consumption using the Navitimer. It's not just a watch, it's a specialized aviation calculator. Today, modern cockpit instruments can also provide this information, but they can't replace the Navitimer's charm. This automatic caliber has a chronograph function and can time periods of up to 12 hours. Its power reserve lasts for around 70 hours. The case is available in either 18-karat rose gold or stainless steel. The standard version has a diameter of 43 mm, though 46-mm and 48-mm versions are also available. The Navitimer is water resistant to 30 m (3 bar, 98 ft). The Montbrillant is another pilot's watch from Breitling which closely resembles the Navitimer and features a white dial as well as the same 01 caliber.