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  #1  
Old 23-03-21, 02:07
Joćo Freitas Joćo Freitas is offline
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Default Tube - control change speed: length?

Dear friends
Any one are able to tell me the correct length of the tube connecting and riveted to the two ends (each end have 2 rivets) of gear shift lever system ?
The best measure is taken , probably, from de center of the first rivet (the first from the front of UC) to the center of forth one (nearer to the back of UC).
I hope that you all understand what I am asking !
Our connection (tube) rotten away after more than 39 years on a military depot
Thanking in advance
Joćo
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  #2  
Old 23-03-21, 03:33
Michael R. Michael R. is offline
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This question may have been asked before, this may meet your needs.
The bolded text dimensions are as measured. The tube length could vary slightly, however: the critical distance between the bolt holes are as found.

(thanks 🦅 eye)
Attached Thumbnails
1DB7E248-EB06-4D81-8B30-5C64EC82910C.jpeg   FB579717-9934-42D5-9B51-3FB2739C6112.jpg   50140D95-4F16-415F-8F3F-5A7D7361841C.jpg   4837A731-5B2B-4E95-8B75-271D2FF56E8C.jpeg  

Last edited by Michael R.; 25-03-21 at 16:06.
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  #3  
Old 23-03-21, 19:02
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RichardT10829 RichardT10829 is offline
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I made a jig to drill these correctly, it’s certainly worth doing if you intend to make new tubes.
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__5th Div___46th Div__
1942 Ford Universal Carrier No.3 MkI*
Lower Hull No. 10131
War Department CT54508 (SOLD)
1944 Ford Universal Carrier MkII* (under restoration).
1944 Morris C8 radio body (under restoration).
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Old 23-03-21, 23:56
Joćo Freitas Joćo Freitas is offline
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Thanks for your both kind and most usefull reply !
Joćo
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Old 24-03-21, 11:08
Tom Millward Tom Millward is offline
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Hi Joćo,

I second what Richie said. I made a new tube from Michael R's dimensions, but I don't think I got the hole alignment quite right and so the gear change lever doesn't align with the gear gate properly.

Good luck

Tom
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Old 25-03-21, 05:08
Joćo Freitas Joćo Freitas is offline
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Thanks Tom !

I am probably wrong but at first sight my two holes from each side (on both sides) are not at 90 degrees, as on the drawing. I must see it more carefully

I think to make one adjustable system to correct all the relations between the gear change lever and the opposite end at the gearbox. The major and principal forces are applyed along the length of the big bar, not sideways. So it is not difficult to make such a system.

Let’s keep in touch, and sorry for my broken English.

Joćo
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  #7  
Old 25-03-21, 09:25
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Ron Pier Ron Pier is offline
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Ross the last sentence in the text of the drawing....31" and 30"....Should it actually read 30" and 29" or am I reading it wrong? Ron
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Old 25-03-21, 14:58
Tom Millward Tom Millward is offline
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Hi Joćo,

You're English is fine. I had an adjustable system on mine when I bought it, but it kept slipping, which is why I tried to remake the fixed tube. If you make an adjustable version, make sure you can clamp it very tightly.
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Old 25-03-21, 16:07
Michael R. Michael R. is offline
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Quote:
Originally Posted by Ron Pier View Post
Ross the last sentence in the text of the drawing....31" and 30"....Should it actually read 30" and 29" or am I reading it wrong? Ron
Updated, with thanks.
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Old 25-03-21, 23:22
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Great job with the info as usual Ross Ron
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  #11  
Old 28-03-21, 07:56
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RichardT10829 RichardT10829 is offline
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Quote:
Originally Posted by Joćo Freitas View Post
Thanks Tom !

I am probably wrong but at first sight my two holes from each side (on both sides) are not at 90 degrees, as on the drawing. I must see it more carefully

I think to make one adjustable system to correct all the relations between the gear change lever and the opposite end at the gearbox. The major and principal forces are applyed along the length of the big bar, not sideways. So it is not difficult to make such a system.

Let’s keep in touch, and sorry for my broken English.

Joćo

My findings were that the holes were perpendicular. The tubes have been fitted to various carriers without issue.

Another thing to consider is the linkage on the top of the gearbox has not been fitted incorrectly or is slightly bent out of shape as that will also cause issues selecting gears.
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is mos redintegro

__5th Div___46th Div__
1942 Ford Universal Carrier No.3 MkI*
Lower Hull No. 10131
War Department CT54508 (SOLD)
1944 Ford Universal Carrier MkII* (under restoration).
1944 Morris C8 radio body (under restoration).
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  #12  
Old 28-03-21, 13:26
Joćo Freitas Joćo Freitas is offline
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Thanks Richard !
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