Model ferris wheel for steam engine

I designed this for my uncles stationary steam engine to run. its designed to take 2000 rpm down to around 5 rpm with a series of reduced pulleys.

ive added a sound module to play off a sd card and a micro usb for power.

https://youtu.be/QWrFVt_mYeA

MICRO USB BOARD https://www.amazon.co.uk/gp/product/B07RDHNL9H/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

SPEAKER
https://www.amazon.co.uk/gp/product/B073TSC7RW/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

MP3 BOARD
https://www.amazon.co.uk/gp/product/B07YDFSZJ4/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

8MM SHAFT
https://www.amazon.co.uk/gp/product/B07KT3MXV6/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

BEARINGS
https://www.amazon.co.uk/gp/product/B07FF1RBPV/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

GRUB SCREWS
https://www.amazon.co.uk/gp/product/B07RV2SFX6/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

NITRILE CORD
https://www.ebay.co.uk/itm/Solid-Nitrile-Rubber-Cord-Black-O-Ri