Videokarma.org

Go Back   Videokarma.org TV - Video - Vintage Television & Radio Forums > Early Color Television

Notices

We appreciate your help

in keeping this site going.
Reply
 
Thread Tools Display Modes
  #1  
Old 10-06-2008, 11:44 AM
Steve D.'s Avatar
Steve D. Steve D. is offline
VideoKarma Member
 
Join Date: Sep 2002
Location: Hollywood Hills, Ca.
Posts: 1,792
COL-R-TEL on ebay

1950s COL-R-TEL Color Wheel Converter Mechanical TV NR - eBay (item 190257288438 end time Oct-12-08 14:01:21 PDT)
http://cgi.ebay.com/1950s-COL-R-TEL-...d=p3286.c0.m14

-Steve D.
__________________
Please visit my CT-100, CTC-5, vintage color tv site:
http://www.wtv-zone.com/Stevetek/
Reply With Quote
  #2  
Old 10-06-2008, 12:46 PM
intotubes's Avatar
intotubes intotubes is offline
AK Member
 
Join Date: Jul 2003
Location: Northern Colorado
Posts: 7
http://www.earlytelevision.org/col-r-tel.html

An explanation of how it works.

Unfortunately this one is missing to many parts to ever hope to work unless you build your own circuit to run it.
__________________
Main system:
slightly mod'd Dynaco PAS 3,
DIY SE 6BQ5 amp
Pioneer PL-518 TT
Altec Lansing Model 19 (upgraded w/902-8G)
Reply With Quote
  #3  
Old 10-06-2008, 02:45 PM
Carmine's Avatar
Carmine Carmine is offline
...enjoys spaghetti.
 
Join Date: Feb 2003
Location: Detroit area
Posts: 1,611
Quote:
Originally Posted by intotubes View Post

Unfortunately this one is missing to many parts to ever hope to work unless you build your own circuit to run it.
And it's not digital.
__________________
From Captain Video, 1/4/2007
"It seems that Italian people are very prone to preserve antique stuff."
Reply With Quote
  #4  
Old 10-06-2008, 03:48 PM
stromberg6's Avatar
stromberg6 stromberg6 is offline
VideoKarma Member
 
Join Date: Sep 2004
Location: Ellington,CT
Posts: 465
Good one Carmine!!!
Kevin
__________________
stromberg6
Reply With Quote
  #5  
Old 10-06-2008, 11:45 PM
Jeffhs's Avatar
Jeffhs Jeffhs is offline
<----Zenith C845
 
Join Date: Feb 2003
Location: Fairport Harbor, Ohio (near Lake Erie)
Posts: 4,035
Quote:
Originally Posted by intotubes View Post
http://www.earlytelevision.org/col-r-tel.html

An explanation of how it works.

Unfortunately this one is missing to many parts to ever hope to work unless you build your own circuit to run it.
That occurred to me as well. Who would want this adapter without the interface unit between it and the TV?

I also question the statement that this converter made "reasonably good color pictures" when used with a very small b&w TV. I cannot see how a color converter such as this, using a color wheel spun by an electric motor, could produce color images anywhere nearly as good as those from a modern color TV receiver. I would think color pictures produced by the Col-R-Tel system would be mediocre at best.
__________________
Jeff, WB8NHV

Collecting, restoring and enjoying vintage Zenith radios since 2002

Zenith. Gone, but not forgotten.
Reply With Quote
Audiokarma
  #6  
Old 10-06-2008, 11:49 PM
andy andy is offline
VideoKarma Member
 
Join Date: Jul 2002
Posts: 4,004
---

Last edited by andy; 12-07-2021 at 01:51 PM.
Reply With Quote
  #7  
Old 10-07-2008, 11:39 AM
Phil Nelson's Avatar
Phil Nelson Phil Nelson is offline
VideoKarma Member
 
Join Date: Jan 2006
Posts: 4,030
Quote:
Originally Posted by Jeffhs View Post
I also question the statement that this converter made "reasonably good color pictures"
I have seen one demonstrated at an ETF convention and the picture was surprisingly good.

Listen to the video on the ETF Col-R-Tel page and you will get a nice description of how it works. Quite ingenious. The interface box picks off the color information from the signal and then makes the TV show the red information when the red part of the wheel is in front of the CRT, and so on. So you are viewing "real" color TV using a black and white receiver plus this gizmo.

Even though it's missing the electronics, this could make a cool display item for someone interested in early color.

Phil Nelson
Reply With Quote
  #8  
Old 10-07-2008, 12:04 PM
kx250rider's Avatar
kx250rider kx250rider is offline
REAL TVs have TUBES!
 
Join Date: Oct 2005
Location: Los Angeles & Dallas
Posts: 3,239
Great display piece, and I bet it goes in the $1K range... But for every pair of Col-R-Tel chassis sets I've seen, there were about 5 wheels.

Charles
__________________
Collecting & restoring TVs in Los Angeles since age 10
Reply With Quote
  #9  
Old 10-26-2008, 09:35 PM
mbates14 mbates14 is offline
VideoKarma Member
 
Join Date: Apr 2004
Posts: 1,014
i see chris nailed that sucker. i knew he would ;-)
Reply With Quote
  #10  
Old 10-27-2008, 04:08 AM
cbenham's Avatar
cbenham cbenham is offline
VideoKarma Member
 
Join Date: May 2006
Posts: 471
It was as the seller described, had been sitting in a very hot attic for many years, plastic windows warped beyond usable, some of the wheel filters warped too.

The good news is I've recently learned the filters can be flattened out again by laying the wheel on a table and carefully placing heavy books on top covering all the warped segments...for at least a month. [!!!]

The motor bearings were very dry as was the wheel bearing which took a while to work loose from the 53 year old gummed up lubriplate in it. A good treatment with Hammond Organ Generator [turbine] Oil and it will spin easily again.

The wheel itself is complete and I can probably make it work again like the one in my Avatar. Don't have an electronic chassis for it, but I've always wanted to build something like that from scratch, maybe using the Colordaptor plans from R-E January and February, 1956.

Film@Eleven
Reply With Quote
Audiokarma
  #11  
Old 10-27-2008, 06:40 AM
ChuckA's Avatar
ChuckA ChuckA is offline
VideoKarma Member
 
Join Date: Jun 2002
Location: Eastern Pennsylvania
Posts: 447
Cliff,

I think I have a parts chassis around here someplace, if you're interested I'll look around for it tonight.

I have my wheel working and one is enough for me.


Chuck
__________________
www.myvintagetv.com

Learn from the mistakes of others -
You can't live long enough to make them all yourself.
Reply With Quote
  #12  
Old 10-27-2008, 07:59 AM
JB5pro JB5pro is offline
VideoKarma Member
 
Join Date: May 2008
Posts: 616
That's incredible!

I think it would be wild to watch that thing work. That image of Superman in that avatar looks beautiful. I saw another photo somewhere on here of one operating and the picture looked fabulous. It would be very funny to have to turn up the sound to over power the sound of the motor and whirling wheel. I wonder how much that set-up was when new? I would guess it was about half the price of a standard color table model. Maybe $350.00?
Reply With Quote
  #13  
Old 10-27-2008, 09:32 AM
mbates14 mbates14 is offline
VideoKarma Member
 
Join Date: Apr 2004
Posts: 1,014
Im thinking the CRT he is using in that avatar is the one he cam and picked up from me, from a scrapped GE. good CRT

As far as warped plastic, the best for that is to "heat press" it. get some strong humidity/steam up the wheel to a high temperature and press it. and leave it pressed as the wheel cools down for the longest time period. I had to do this for my peter yatzcer wheel. hehe...


P.S. the wheel operates at a very low RPM, its hardly audiable. unless its scratching against something of course, or if the motor is shot.
Reply With Quote
  #14  
Old 10-27-2008, 12:35 PM
John Folsom's Avatar
John Folsom John Folsom is offline
VideoKarma Member
 
Join Date: May 2004
Location: Melbourne Florida
Posts: 932
From the June 1955 issue of FARM JOURNAL
Attached Images
File Type: jpg FARM JOURNAL.JPG (163.5 KB, 51 views)
__________________
John Folsom
Reply With Quote
  #15  
Old 10-27-2008, 05:37 PM
cbenham's Avatar
cbenham cbenham is offline
VideoKarma Member
 
Join Date: May 2006
Posts: 471
Quote:
Originally Posted by ChuckA View Post
Cliff,

I think I have a parts chassis around here someplace, if you're interested I'll look around for it tonight. I have my wheel working and one is enough for me.
Chuck
I'm very interested! I hope it turns up.
Cliff
Reply With Quote
Audiokarma
Reply



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 12:33 PM.



Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2026, Jelsoft Enterprises Ltd.
©Copyright 2012 VideoKarma.org, All rights reserved.