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  #1  
Old 30-10-16, 23:17
David Dunlop David Dunlop is offline
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Default Vehicular Land Navigation System C1

Does anyone know what the basis of navigation was for this system?

I think it was developed in Canada in the late 1950's, or very early 1960's, so may have predated the current GPS satellite system, and the concept was likely as an aid for AFV's.

David
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Old 31-10-16, 00:41
maple_leaf_eh maple_leaf_eh is offline
Terry Warner
 
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Default Land Nav'

My guess would be gyros and inertial navigation system. The Navstar constellation didn't exist until the late 1980s, or at least its was not publically available until then.

The British had something in the same timeframe, and I sort of remember it mentioned in one of those slim AFVProfiles pamphlets.
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Old 31-10-16, 00:57
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Richard Farrant Richard Farrant is offline
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The Churchill based mine flail, Toad, had a gyroscope direction finder I believe, and something in the back of my mind says it was a Sperry. This vehicle dated from early to mid Fifties.
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Old 31-10-16, 00:58
David Dunlop David Dunlop is offline
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That's the direction I was leaning in as well, Terry.

Possibly an entirely new concept, or an evolution of the wartime two dimensional plotting system developed by the US Army that I have seen installed in the MB/GPW.

Maybe the postwar Canadian system was planned for the Ferret?

Interesting, Richard. The US wartime equipment took up quite a bit of space in a jeep. Might have been a challenging install for a Ferret, but heavier armour may not have been such an issue.


David
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Old 31-10-16, 01:10
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Richard Farrant Richard Farrant is offline
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Quote:
Originally Posted by David Dunlop View Post
That's the direction I was leaning in as well, Terry.

Possibly an entirely new concept, or an evolution of the wartime two dimensional plotting system developed by the US Army that I have seen installed in the MB/GPW.

Maybe the postwar Canadian system was planned for the Ferret?

Interesting, Richard. The US wartime equipment took up quite a bit of space in a jeep. Might have been a challenging install for a Ferret, but heavier armour may not have been such an issue.


David
David,
If you have seen a mine flail working, there is no way you can visually see where you are going, to this gyro system would have been the cutting edge at the time.
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  #6  
Old 31-10-16, 01:12
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David: the WW2 jeep navigation system was the Land Odograph. It integrated compass direction with distance determined by the speedo cable. I have most of what I believe is the system that you refer to as used in the Centurion. There is a mechanical plotting board to plot the course on a map. A couple of years ago there was further discussion of the Canadian system here on the forum...Brian
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  #7  
Old 31-10-16, 02:52
Ed Storey Ed Storey is offline
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Continuous display of the position of the vehicle was obtained by automatic dead-wreckoning. Distance travelled was measured by the speedometer and direction was measured by a compass. A computer automatically calculated the positon of the vehicle which was displayed on a map or by a digital readout. The complete unit could be mounted in a Ferret, M113A1 or Centurion.

Navigation Set Land Vehicular C1.jpg
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Old 31-10-16, 04:18
David Dunlop David Dunlop is offline
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You continue to amaze, Ed! Thanks for posting that!

Who built them and when, and how long was the system in service?


David
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