Christian Froeschlin <chr### [at] chrfrde> wrote:
> Tops wrote:
>
> > However, I have no idea how I am going to draw the cam belt which will link this
> > gear with another larger one. I can sort out distances and sizes of the gears,
> > no problem, but the belt I have no idea.
>
> Regarding the basic geometry, I think you are looking for
> the "common tangent for two circles" problem, which is slightly
> more tedious to solve than I initially thought, see e.g.
>
> http://www.cut-the-knot.org/Curriculum/Geometry/TangentTwoCirclesI.shtml
> http://www.askiitians.com/iit-jee-coordinate-geometry/common-tangents.aspx
> http://www.phpfreaks.com/forums/index.php?topic=189971.0
>
> With such points you can make a very simple model using two boxes
> for the straight part and two cylinder shells (differences) from which
> you cut out an angled wedge (cylinder intersected with 2 planes?).
> Once you get that working then you can start worrying how the belt
> should be constructed physically and how it fits with cogs.

>I think it would be wise if you consider the method provided in photoshop
>You can simply do it with the add other image and geometrically
>attach it to the overlapping circles
>https://railwayrecruitmentgov.in/rpf-constable-admit-card-2018/

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