Welcome! Log In Create A New Profile

Advanced

I fixed a radio

I fixed a radio
December 25, 2019 12:31PM
My 1937 Zenith 5S-127 radio uses a belt to drive the dial mechanism. The original belt was some sort of rubberized cloth that was disintegrating when I got the radio at an auction about 25 years ago. At that time I replaced the belt with an o-ring that I cut to the right length and glued. The glue bond lasted a couple months, and the radio has been sitting with an non working dial mechanism ever since.

Yesterday I opened it up, retrieved the o-ring, made some measurements, and 3D printed a new belt using TPU filament.



The radio is working again...



You can't buy a radio like this and expect it to work. I restored the electronics by replacing failed components many years ago, then refinished the cabinet.

More here.


Son of MegaMax 3D printer: [www.instructables.com]
Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
Re: I fixed a radio
December 25, 2019 02:11PM
This is what I should do with My Summa Sign D610 24 inch vinyl cutter.
The only differences is I need a Rubber Tire (" Tyre ") for the Pinch rollers.
I rigged three faucet washers together with rubber glue to form a single wide Tire around the original bearing this seems to work though it is not quite the right diameter.


Electronics Technician / Computer Programmer
Re: I fixed a radio
December 25, 2019 03:14PM
Quote
Roberts_Clif
This is what I should do with My Summa Sign D610 24 inch vinyl cutter.
The only differences is I need a Rubber Tire (" Tyre ") for the Pinch rollers.
I rigged three faucet washers together with rubber glue to form a single wide Tire around the original bearing this seems to work though it is not quite the right diameter.

You can do the part with TPU too ! To get the correct dimension , roundness, finish use abrasive wheel on a Dremel for ex. ABrasive is perfect to machine TPU.


"A comical prototype doesn't mean a dumb idea is possible" (Thunderf00t)
Re: I fixed a radio
December 25, 2019 05:33PM
I really like TPU. So many uses and it looks nice, too.


Son of MegaMax 3D printer: [www.instructables.com]
Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
Re: I fixed a radio
December 26, 2019 05:46PM
If only I could do this for my hi8 video cam


[mechabits.co.uk]
Re: I fixed a radio
January 08, 2020 02:59PM
Cool
do you hear
"Hello Mr and Mrs America and all the ships at sea"

Some one born in 2000 would never know what it is?

Put an arduino w blue-tooth in it, so you can listen to it with your air pods
and a stepper motor on dial drive, so you can tune it from an app!

confused smiley
Sorry, only registered users may post in this forum.

Click here to login