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  2. Yamaha R-MAX - Wikipedia

    en.wikipedia.org/wiki/Yamaha_R-MAX

    Manufacturer. Yamaha Motor Company. Developed from. Yamaha R-50. The Yamaha R-MAX is a Japanese unmanned helicopter developed by the Yamaha Motor Company in the 1990s. The gasoline -powered aircraft has a two-bladed rotor and is remote-controlled by a line-of-sight user. It was designed primarily for agricultural use, and is capable of precise ...

  3. Radio-controlled helicopter - Wikipedia

    en.wikipedia.org/wiki/Radio-controlled_helicopter

    Original helicopter "classes" were based on the engine size. For example, a helicopter with a 0.30 cu in (4.9 cm 3) engine was a 30 class and a helicopter with a 0.90 cu in (14.7 cm 3) engine was referred to as a 90 class helicopter. The bigger and more powerful the engine, the larger the main rotor blade that it can turn and hence the bigger ...

  4. Yamaha Corporation - Wikipedia

    en.wikipedia.org/wiki/Yamaha_Corporation

    Yamaha Corporation (ヤマハ株式会社, Yamaha Kabushiki gaisha, / ˈjæməˌhɑː /; Japanese pronunciation: [jamaha]) is a Japanese musical instrument and audio equipment manufacturer. It is one of the constituents of Nikkei 225 and is the world's largest musical instrument manufacturing company. [2] The former motorcycle division was ...

  5. Two-stroke power valve system - Wikipedia

    en.wikipedia.org/wiki/Two-stroke_power_valve_system

    The Honda Revolution Control valve is designed and works in principle like the "AETC system." A small computer monitors engine RPM and adjusts a two-blade exhaust valve with an electric servo. Honda equipped many two-stroke motorcycles such as the NSR125 and NSR250 models with RC - Valve power plants. Kawasaki KIPS

  6. Yamaha TX750 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_TX750

    Unlike Yamaha's earlier vertical XS650, the TX750's engine was a forward inclined air-cooled parallel twin with a 360° crankshaft, a chain-driven single overhead cam, and two valves per cylinder. The engine was aluminum with a horizontally split crankcase and steel liners in the cylinder bores. [3] [17] The intake system was fed by two 38 mm ...

  7. List of search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_search_engines

    Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02. LGPL v2 : Terrier Search Engine: Linux, Mac OS X, Unix: Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL v1.1: Tracker: Linux, Unix: Open-source desktop search tool for Unix/Linux GPL v2 : Tropes Zoom: Windows: Semantic Search Engine (no longer available)

  8. Yamaha RX-Z - Wikipedia

    en.wikipedia.org/wiki/Yamaha_RX-Z

    A few years later, the engine was upgraded with the installation of a six-speed transmission, together with newer instrument panel and handlebar switches, as well as a cross-drilled front disc brake rotor. The design of the RX-Z remained unchanged until 2004 when the model was updated, with the rear lights borrowed from the Yamaha Y125Z.

  9. Yamaha YZF-R6 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_YZF-R6

    The Yamaha YZF-R6 is a sport bike, produced by Yamaha as a 600 class from 1999 to 2020. From 2021, production availability is limited to race-only specification in most global markets, causing race organisers to realign their engine eligibility criteria to encourage other manufacturers having larger than 600 cc displacements to enter road-race competition from 2022.