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Originally Posted by JVN
See attached spreadsheet.
I used the numbers Arefin gave, and just plugged them in quick for some speed estimates. Using a 4" dia wheel, with a 24 tooth sprocket (the 229-2005 layout - fairly average final gearing) I have this guy moving at ~13 fps & ~3 fps
You can plug in similar numbers, and see what you come up with.
Ary is dead on.
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Isn't it great when the math works out?
I've seen the tendency among many young designers to just throw things together in Inventor, without doing any real calculations to see if they'll actually work. From this design, it's clear that Arefin has taken the time to do some calculations to ensure his design solution actually satisfied the constraints of his initial design requirements. I urge all of you designers who are learning the ropes to play around with John's spreadsheet and become familiar with it. It's an amazing tool that will help ensure a certain level of feasibility in your design. Plus, you'll see that math can actually be fun!
Arefin, congratulation on a well thought out and simple design. I can't wait to see what you come up with next.