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The latter could take the form of a book, leaflet, billboard, or a (set of) computer file(s), and makes it much easier to find out, for example, whether a transport service at a particular time is offered every day at that time, and if not, on which days; with a journey planner one may have to check every day of the year separately for this.
1928 Longines Wrist-Chronograph with the 1925 modified Cal. 13.33Z Flyback function. The oldest Flyback Chronograph in existence, to be seen in the Museum of Longines. [1]A flyback chronograph is a watch complication, in which the user can use a reset function without the need to first stop the chronograph, by a single press on an additional pusher at the 4 o'clock mark.
At room temperature an air gap of 2 to 3 mm can be tolerated without difficulty for a typical target wheel of module m = 2, but in the required temperature range of from −40 °C to 120 °C the maximum gap for effective signal registration drops to 1.3 mm. Smaller pitch target wheels with module m = 1 are often used to get a higher time ...
This was followed by the Chronometric speedometer where the distance traveled was measured over a precise interval of time (Some Smiths speedometers used 3/4 of a second) measured by an escapement. This was transferred to the speedometer pointer. The chronometric speedometer is tolerant of vibration and was used in motorcycles up to the 1970s.
Tachymeter scale on a Citizen watch bezel. A tachymeter (pronounced / t æ ˈ k ɪ m ə t ər /) is a scale sometimes inscribed around the rim of an analog watch with a chronograph.It can be used to conveniently compute the frequency in inverse-hours of an event of a known second-defined period, such as speed (distance over hours) based on travel time (distance over speed), or measure distance ...
An aeroplane can stall at any speed, so monitoring the ASI alone will not prevent a stall. The critical angle of attack (AOA) determines when an aircraft will stall. For a particular configuration, it is a constant independent of weight, bank angle, temperature, density altitude , and the center of gravity of an aircraft .
In April 2014, Honda began an upgraded model of Activa with a 125 cc (7.6 cu in) engine and rebranded the model as Activa 125. Currently, both Activa-i and Activa 125 are sold in India along with traditional Honda Activa. Honda began selling the Activa-i in India, a cheaper and lighter version of the Activa, in December 2013.
The first tachometer was described by Bryan Donkin in a paper to the Royal Society of Arts in 1810 for which he was awarded the Gold medal of the society. This consisted of a bowl of mercury constructed in such a way that centrifugal force caused the level in a central tube to fall when it rotated and brought down the level in a narrower tube above filled with coloured spirit.