Making a Solid Rubber Tyre

[William Harvey 1Participant @williamharvey1]

Molding For Rubber Tyres

Hi guys, a  long time since  have been on here looking for help.

I have built a full size motorised Dalek, the motors and wheels are from an old Sunrse Medical Powered Wheel Chair. A while ago the wheels started to deteriorate and I was able to buy replacements from here:

 

https://discountscooters.co.uk/products/colson-200-tyre

 

One of these replacement wheels has now developed a crack (after about 2 years). On the website linked above the wheels are now out of stock.

I am struggling to find a a replacement solid rubber tyre anywhere and decided to take a look at how to make my own.

I have done loads of 3D printing in the past and thought that maybe there were now rubber style 3D filaments. It appears that there are but so that may be an option.

I then considered molding using two part silicone or something suitable. I have never made a mold or molded anything before.

All I have is one good tyre on one of the wheels and if I can remove it without damaging it, I am seeking help in how to make a mold of this tyre.

Does anyone on here have any experience with molding silicone?

Many thanks

 

 

[Grizzly bearParticipant @grizzlybear]

200mm x 50mm Heavy Duty Rubber Wheel | Castor Wheels | Vital Partshttps://www.bing.com/search?q=tyres++200mm+WP+castor.&form=ANNTH1&refig=6adf967e6cfa44659aa1da7a67da75c1&pc=U531

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