Bryan knowlton, inventor and creator of the supercool slide rule, explains how this amazing tool will make your job in air conditioning easier. The app provides the user with an interactive experience, var bingdata. Slide rule contains a plethora of features, some never seen before in this type of application. This amazing tool performs every function needed by the hvac professional. Showing the key features of the supercool sliderule. Ohms law converting resistance and amps to volts using the ohms law wheel duration. The slide rule made it easier to utilize the log relations by developing a number line on which the displacement of the numbers were proportional to their logs. As such, we are very familiar with testing our product formulations against a plethora of international standards which include, but are not limited to sae, astm, din, fzg, and iso. National hvacr educators and trainers conference esco institute. Each scale is printed on a separate film approximately 220 feet long and the films are wound on takeup reels. Our original problem was 410 x 9, and we read an answer of 3. The rule has the standard late model mannheim body, similar to the last incarnation of my 40533 series.
To view video tutorials and corresponding pdf aids, click the appropriate link. Round the original problem to convenient numbers and solve it in your head. Knowltons slide rule incorporates the features found in free tools, too. The supercool hvac app provides comprehensive and dynamic solutions to the most complex diagnostics in the air conditioning industry. There is also a version as a word document which is smaller 2040 kb. To view video tutorials and corresponding pdf aids. Scroll down on the menu on the left to go directly to a particular brand or to see other data. Displays, an auction, and slide rule talks are the scheduled highlights, plus visiting with other collectors. Jan 26, 2017 the supercool hvac app provides comprehensive solutions to the most complex problems in the industry. To do a calculation with a slide rule you reduce all numbers to scientific notation with 24 digits then use the slide rule to perform the basic operations.
The resulting instrument is called the film slide rule, and, as its name implies, it uses movie film as the base for slide rule scales. It is unfortunate that, for some reasons not easy to see, the slide rule is sometimes regarded as a difficult instrument with which to become proficient. Here is a virtual slide rule which works in your browser. In a separate calculation you find the order of magnitude by combining the powers of 10. The metal window is inserted over the slide rule to act as a place holder. On the table are free slide rules given by ac companies. Supercool hvac troubleshoot duct sizing charging apps on.
Slide rule universe take the learn to use and clean them link. We strongly believe every hvac technician should own a supercool slide rule. The scales are also continuous, so there is no need to make adjustments, such as folded and inverse scales, for results of. The slide rule the book, written by florian cajori, is the standard work on the early history of the slide rule. The slide rule and other instruments which give the same facilities for rapid calculations, are covered by the term mechanical calculation. How to calculate the air flow of an air conditioner.
Ohms law calculating amperes using the ohms law wheel duration. Superheat and we have produced many different hvac calculators. A cursor is fixed in the center of the window to allow for accurate readings. The international slide rule museum has a multitude of resources for slide rule fans, including scans of user manuals from a variety of manufacturers. Listed below are links to pdf notes for most of the tutorial videos produced by supercool slide rule. Here are two videos with regrettable autofocus hunting explaining the basics of computation with a slide rule. These video tutorials are designed to only be used by properly trained and certified technicians. Its the only slide rule on the market that has conversion for smooth metal to insulation lined metal. The number of scales on a slide rule vary depending on the number of mathematical functions the slide rule can perform. Please feel free to download, reference, and distribute.
All slide rule specimens, scans, photos and ephemera are organized into one of 51 galleries. The scales ad are labeled on the lefthand side of the slide rule. Slide rules that are round offer the length of a 10 rectangular slide rule in a pocketsized roughly 3. Illustrated selfguided course on international slide rule. Sold by designstein llc and ships from amazon fulfillment. Ron manleys slide rule site take the instructions link. Mannheim slide rule 1850 faber castell 283n nestler 23r mannheim issac newton put 3 scales in parallel in 1675 to compute cubes, and proposed the cursor in 1677, but was ignored. The slide rule eased the addition of the two logarithmic displacements of the numbers, thus assisting with multiplication and division in calculations. The oughtred society has a meeting in june in mountain view, california, and a meeting in february in las vegas, nevada. Knowlton sells a lot of them, something close to 50,000 so far. Bissaker slide rule 1654 circular slide rule king pocket calculator 66 sclales thacher calculator 30 ft. Including both superheat and subcooling of r410a and r22.
Slide rules circular slide rules national museum of. The supercool hvac app provides comprehensive solutions to the most complex problems in the industry. The app provides the user with an interactive experience, possible solutions, onscreen. Additionally, the slide rule does not tell you where the decimal point is located in the answer. The supercool hva c app provides comprehensive solutions to the most complex problems in the industry. We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. All literature is ed and property of supercool slide rule. The app provides the user with an interactive experience, possible solutions, onscreen instructions and guides the technician through each step of repair work. Supercool slide rule hvac for ios free download and. Download supercool slide rule hvac and enjoy it on your iphone, ipad, and ipod touch. We strongly believe every hvac technician should own a supercool slide. Supercool is proud to be iso 9001 certified to design, manufacture, package and distribute chemicals and synthetic lubricants for industrial and automotive markets. All this, while still looking slick and fashionable.
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