The idea of a planetary geardrive is from an original Heidelberg platen press, but I have seen similar geardrives in Meccano using combinations of 56 and 57 teeth gears. The idea of this type of planetary gearing has probably been published in the well known Meccano Magazine, but I didn't bother to look for it.
This vid shows a very compact gear ratio 1:8.5. I didn't have a 20t pinion, otherwise the ratio would have been 1:20.
I have uploaded a fully engaged working Virtual Mec model at the website of Virtual Meccano www.virtualmec..... The Virtual Mec model shows 3 different types of a gear ratio: 2:17, 1:1 and a 1:20.
More of my projects can be found at meccanokinemati...
Thanks to the Virtual Meccano team who developed the splendid Virtual Meccano software. It can be dowloaded here www.virtualmec....
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