MLU FORUM  

Go Back   MLU FORUM > MILITARY VEHICLES > The Restoration Forum

Notices

Reply
 
Thread Tools Display Modes
  #1  
Old 22-09-22, 15:24
8threcce's Avatar
8threcce 8threcce is offline
Pieter Bergman
 
Join Date: Aug 2006
Location: netherlands
Posts: 165
Default

Quote:
Originally Posted by Grant Bowker View Post
I measure the CMP can as very close to 6-3/4" diameter (including the rim, just because that is the easier dimension to take) and very close to 8-1/2" height (again including the rims) - so shorter and fatter than what the commercial reproductions. Getting into the detail, there is a difference in the water connection (as opposed to the central vent tube) on the bottom of the can between the cans made to mount on the cab side and those made to mount under the floor. In the attached photos, the underfloor mounted tank(s) is the one with the water connection on the side opposite the mounting straps so that the connection is (almost) at the low point of the tank whereas for the tank ponted on the side of the cab, the connection is closest to the cab and less exposed to damege. The can with dark green paint is the side of cab version, the others are the under floor version. The commercial reproduction construction more closely resembles the side of cab mounted CMP cans (both appear to have been mounted vertically rather than on an angle under the floor).

If only one version were to be reproduced, the one for use under the floor would probably be better (less volume of water sitting in the can at rest).
Also attached is a page on the condensor can from Convoy Magazine (Years ago, I did ask Marc Montgomery if it was acceptable to share the content of Convoy. He said it was OK.) The Convoy Magazine version is the under floor mount version.

There have been a number of discussions of the condensor/overflow/expansion tank/can over the years. One at http://www.mapleleafup.net/forums/sh...9647#post49647 included a drawing from Bruce Parker, attached to try to group information. Bruce's is the side of cab version.

Attachment 115471 Attachment 115470

Attachment 115472 Attachment 115473
Sorry for my late reaction on this thread since I'm now confronted with the search of a condensor.
Are there any pictures that show how the condensor is hooked up to the radiator??
Reply With Quote
  #2  
Old 22-09-22, 15:55
Grant Bowker Grant Bowker is offline
Registered User
 
Join Date: Jul 2006
Location: Ottawa, Canada
Posts: 2,321
Default

The connections are on the bottom face of the can(vertical on the long axis). The connection in the center is open to atmosphere as a vent. The off-center connection is connected by tube to the overflow on the radiator neck.
Reply With Quote
  #3  
Old 22-09-22, 17:35
Harry Moon Harry Moon is offline
Registered User
 
Join Date: Feb 2003
Location: Burnaby B.C. Canada
Posts: 1,125
Default practical advice

I've seen a few of these NOS that when used rusted out within a pretty short period of time. I use mine for show and use a black plastic oil bottle zap strapped next to the radiator for the real overflow and return.
Reply With Quote
  #4  
Old 22-09-22, 18:17
Grant Bowker Grant Bowker is offline
Registered User
 
Join Date: Jul 2006
Location: Ottawa, Canada
Posts: 2,321
Default Avoiding rust

I've wondered whether the various gas tank sealing products might work for sealing and rustproofing the interior of the condenser cans. I hadn't really looked in past to see how they perform in warm/hot conditions (shouldn't have to worry about much over the boiling point of your coolant).
One review on POR15's web site says they used it with success on a coolant recovery tank.
KBS coatings say their tank sealer is good for up to 500 degrees (assume Fahrenheit). Thy also give test results for chemical exposures.

At least the CMP coolant recovery tanks aren't under either positive or negative pressure...
Reply With Quote
  #5  
Old 04-10-22, 18:16
cordenj's Avatar
cordenj cordenj is offline
Registered User
 
Join Date: Mar 2009
Location: Surrey UK
Posts: 169
Default Brass Chevrolet Condensor Can

Recently acquired this brass Condensor Can, marked C-124238, from a long-term CMP collector.

Single pipes at each end. Has been painted olive green in the past, no other colour.

Were these fitted to early CMPs? Pre-dated the shorter steel versions?

Thanks
Attached Images
File Type: jpg IMG_7038.jpg (98.5 KB, 0 views)
File Type: jpg IMG_7039.jpg (90.0 KB, 0 views)
File Type: jpg IMG_7040.jpg (103.8 KB, 1 views)
File Type: jpg IMG_7042.jpg (111.8 KB, 0 views)
File Type: jpg IMG_7043.jpg (111.5 KB, 1 views)
__________________
John.
1944 Chevrolet C8a HUP ZL-2
1944 Willys MB (British Guards Armoured Div);
1944 BSA Folding Bicycle (Best "Para Bike" at War&Peace Show 2011, 2012, 2014 and 2015);
Trailer, 10cwt, Water Lightweight, 100 gall;
Trailer, 10cwt, Cargo Lightweight 10cwt No1 MkII;
Trailer, 10cwt, Electrical Repair Mk.2; Ex-Airborne REME;
Trailer, 10cwt, Lightweight, Electric Welding Mk 2;
SOLD:1943 Chevrolet C60s Wrecker
Reply With Quote
  #6  
Old 05-10-22, 12:14
Alex van de Wetering Alex van de Wetering is offline
Moderator
 
Join Date: Mar 2003
Location: Hoofddorp, The Netherlands
Posts: 2,767
Default

Quote:
Were these fitted to early CMPs? Pre-dated the shorter steel versions?
John, as far as I know Cab 11's were never factory fitted with the condensor can, but you do see them on most, not all, Cab 12's delivered from the factory. So, I am guessing they were introduced somewhere in 1941. These are all the "normal" smaller size cans though.

Could your can be from an MCP truck maybe?....or something armoured.....Fox, Otter???
__________________
Chevrolet C8 cab 11 FFW
BSA Folding Bicycle
Reply With Quote
  #7  
Old 05-10-22, 14:15
Grant Bowker Grant Bowker is offline
Registered User
 
Join Date: Jul 2006
Location: Ottawa, Canada
Posts: 2,321
Default

Based only on the stamped part number, I would not assume this to be a CMP part. The prefix "C" isn't isn't typical of either Ford (usually more than one letter and not normally C without another letter) or Chevrolet (normally no letters) in the period. Just looking at Chevrolet part numbers, they appear to have been assigned more or less sequentially in the order that the part was developed and by 1930 Chevrolet was already past 124238 in numbers so I doubt this would be a Chevrolet designed part developed for CMP use. I also don't see 124283 in any of the CMP parts books I checked.
Having said this, it is an opinion - not a guaranteed fact. I could be completely out to lunch on this and have missed somthing obvious.
Reply With Quote
Reply

Thread Tools
Display Modes

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

Similar Threads
Thread Thread Starter Forum Replies Last Post
Coolant recovery bottle on dash? Phil Waterman The Restoration Forum 0 31-07-17 21:38
Coolant Recover Tank Not Working Phil Waterman The Restoration Forum 3 28-05-15 01:58
12 volt condensor Little Jo The Restoration Forum 23 25-06-12 09:44
Chevy Condensor Can wanted Neil Ashley The Restoration Forum 5 28-04-05 21:24
Coolant Heater JD Baillie Post-war Military Vehicles 10 23-12-03 17:30


All times are GMT +2. The time now is 11:08.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Copyright © Maple Leaf Up, 2003-2016