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  #1  
Old 06-09-18, 02:43
Bob Phillips Bob Phillips is offline
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Default what is it?

Can any of you MV experts shed light on the following items?
The first is either a turret traverse mech or starter mechanism. it engages manually and appears to have a hydraulic motor driving a chain. What mounts ion the end with the splined shaft? is it for an MV or a trainer turret or ??
Second marked GM might be to open a port or ? Comments appreciated.

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  #2  
Old 06-09-18, 07:53
motto motto is offline
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Default Seen them before. Own a few

The geared arrangement has me beat but the item in the third photo is not a GM product it is GW which stands for Gar Wood who were a big manufacturer of winches during WW2. This is a dog clutch selector fork for one of their winches. They are often broken as the clutch dogs are prone to rusting onto the shaft and the shifter fork mistreated whilst attempting to move it.

David
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Last edited by motto; 06-09-18 at 08:01.
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  #3  
Old 06-09-18, 08:06
Lynn Eades Lynn Eades is offline
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Is it part of an air starter that has been adapted to drive some thing?
Some engines have apertures for two starters. Maybe someone has decided to make the second a pto?
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  #4  
Old 06-09-18, 10:58
David Herbert David Herbert is offline
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I agree with David that the second item is a selector fork from a Gar Wood winch.

The first is not I think any kind of turret traverse drive as they bolt sideways onto the turret ring, not axially as this one does so I am sure that this is a starter mechanism for a fairly large engine. In cold climates it is/was common that heavy construction plant on big projects were fitted with air starters and at the start of the working day a compressor truck went round starting everything that didn't have an on board air system. That way there were no issues with loss of battery power due to the cold. In the UK the same thing was done on big road building projects when battery thefts reached silly proportions.

David
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  #5  
Old 08-09-18, 03:52
Bob Phillips Bob Phillips is offline
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Default mystery item #2 !!

Thank you for the quick responses.
You are correct, the first item says GW not GM and is clearly a winch part. Item 2 does not seem to mount in such a way as to traverse a turret therefor starter application seems correct.
How about trying one more challenge? Many years ago I bought two very heavy differentials from a large military surplus yard. I thought at the time they were controlled diffs for a tracked vehicle. They were apparently built by Oshkosh and were military products exclusively but one is marked experimental serial #1, second is serial #4. One has inboard disk brakes the other not. Does anybody recognize these or can speculate on their application.

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Again, all comments appreciated. BP
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  #6  
Old 09-09-18, 09:00
Andrew Rowe Andrew Rowe is offline
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I am not saying they are for a M113, but a similar approach was taken when they tried putting disc brakes on the APC, I think they found they could "nose stand" the machine, so the disc's were removed, and discontinued.
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  #7  
Old 09-09-18, 12:01
Lynn Eades Lynn Eades is offline
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Andrew, I think you will find the M113s came with disc brakes. The N.Z. Army decided to remove them after the APC commander was run over and killed. I think that's how the story goes.
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