![Trying to design internal spur gear for a 25H 9t sprocket, (janky i know but it's my only option) so i'm going to subtract the sprocket from a solid cylinder, but i'm having trouble estimating its diameter based on the roller chain size chart, any advice is greatly ... Trying to design internal spur gear for a 25H 9t sprocket, (janky i know but it's my only option) so i'm going to subtract the sprocket from a solid cylinder, but i'm having trouble estimating its diameter based on the roller chain size chart, any advice is greatly ...](https://preview.redd.it/trying-to-design-internal-spur-gear-for-a-25h-9t-sprocket-v0-6hvtflwypr3a1.png?width=827&format=png&auto=webp&s=7226bc16006ac1cb2b6d21c3f67dd35f3d039552)
Trying to design internal spur gear for a 25H 9t sprocket, (janky i know but it's my only option) so i'm going to subtract the sprocket from a solid cylinder, but i'm having trouble estimating its diameter based on the roller chain size chart, any advice is greatly ...
![Applied Sciences | Free Full-Text | Investigation of Load Capacity of High-Contact-Ratio Internal Spur Gear Drive with Arc Path of Contact Applied Sciences | Free Full-Text | Investigation of Load Capacity of High-Contact-Ratio Internal Spur Gear Drive with Arc Path of Contact](https://www.mdpi.com/applsci/applsci-12-03345/article_deploy/html/images/applsci-12-03345-g004.png)
Applied Sciences | Free Full-Text | Investigation of Load Capacity of High-Contact-Ratio Internal Spur Gear Drive with Arc Path of Contact
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