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@article{1409400, author = {Marek, Martin and Badin, Matej and Plesch, Martin}, article_number = {1}, doi = {http://dx.doi.org/10.1038/s41598-018-22079-1}, keywords = {Statistical physics; thermodynamics and nonlinear dynamics; Techniques and instrumentation}, language = {eng}, issn = {2045-2322}, journal = {Scientific Reports}, title = {Physics of the mechanical toy Gee-Haw Whammy Diddle}, url = {https://www.nature.com/articles/s41598-018-22079-1.pdf}, volume = {8}, year = {2018} }
TY - JOUR ID - 1409400 AU - Marek, Martin - Badin, Matej - Plesch, Martin PY - 2018 TI - Physics of the mechanical toy Gee-Haw Whammy Diddle JF - Scientific Reports VL - 8 IS - 1 SP - 1-10 EP - 1-10 SN - 20452322 KW - Statistical physics KW - thermodynamics and nonlinear dynamics KW - Techniques and instrumentation UR - https://www.nature.com/articles/s41598-018-22079-1.pdf L2 - https://www.nature.com/articles/s41598-018-22079-1.pdf N2 - Gee-Haw Whammy Diddle is a seemingly simple mechanical toy consisting of a wooden stick and a second stick that is made up of a series of notches with a propeller at its end. When the wooden stick is pulled over the notches, the propeller starts to rotate. Despite its simplicity, physical principles governing the motion of the stick and the propeller are rather complicated and interesting. Here we provide a thorough analysis of the system and parameters influencing the motion. We show that contrary to the results published on this topic so far, neither elliptic motion of the stick nor frequency synchronization is needed for starting a stable motion of the propeller. ER -
MAREK, Martin, Matej BADIN a Martin PLESCH. Physics of the mechanical toy Gee-Haw Whammy Diddle. \textit{Scientific Reports}. 2018, roč.~8, č.~1, s.~1-10. ISSN~2045-2322. Dostupné z: https://dx.doi.org/10.1038/s41598-018-22079-1.
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