Analysis of the rotatory motion with fluctuation of a washer on the Jitter Ring by Eiji SUZUKI

“…Jitter Ring is the popular toy which has another name called as “Chatter Ring” or “Gyro Ring”. …”
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Constructive approach on swimming of scallop (Experimental verification of the effect of mantle property on swimming) by Mitsuki OKADA, Yuichiro SUEOKA, Daisuke NAKANISHI, Koichi OSUKA

“…This paper is concerned with the demonstration of scallop-like swimming with the aid of robot toy; using jet propulsion by clapping the shells quickly. …”
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Development of cycloidal planetary reducer by Hideyuki HAYASHI, Kazuhiko OSHIMA, Kazuya OGATA

“…The reduction mechanism is inspired by the intellectual toy ‘Spirograph’ and structurally based on a planetary reducer. …”
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Excited rolling vibration of the convex disk rotating along a V-shaped valley by Eiji SUZUKI

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Repetitious colliding motion of the ellipsoidal body rolling on a slanted rectangular gutter by Eiji SUZUKI

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Switchback motion of the fan-shaped disks connected at the arc centers on a slope by Eiji SUZUKI

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A study on propelling force production mechanism under the motor shaft direct drive scheme (Generation of forward motion on single motor shaft direct drive vehicle) by Nobuaki HIRAOKA, Hiroyuki SOGO, Satoshi YURA, Tomohiro HENMI, Shinichiro SHOBAKO, Kohei ISHII, Nobuhiro TSUMORI, Tomokazu SHIKAMA, Shiro URUSHIHARA, Hiroo TARAO

“…A motor shaft direct drive is known as a simple and low cost scheme for small toy vehicles, however the mechanism how it produces propelling force has not yet been explained nor discussed in detail. …”
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