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M1A1 Track Center Guides
The AFV ASSOCIATION was formed in 1964 to support the thoughts and research of all those interested in Armored Fighting Vehicles and related topics, such as AFV drawings. The emphasis has always been on sharing information and communicating with other members of similar interests; e.g. German armor, Japanese AFVs, or whatever.
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Sabot
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Joined: Jan 24, 2006
Posts: 380
Location: Kentucky
PostPosted: Thu Feb 15, 2007 10:19 pm
Post subject: Re: M1A1 Track Center Guides
I agree, you could hear tank tracks squeaking long before you could hear the rumble of the engine.

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RobG
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Dontos
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Joined: Jan 24, 2006
Posts: 3436
Location: Vine Grove, KY
PostPosted: Wed Feb 21, 2007 3:18 am
Post subject: Re: M1A1 Track Center Guides
- Dontos

The idea is the retaining ring keeps the track from being thrown off the sprocket. ( IN THEORY!!) It also is supposed to 'knock' loose end connectors back on, thus preventing them from being thrown off ( again.... IN THEORY!!).
The retaining ring is bolted over the sprocket, on the sprocket hub.
Reality Check:
The track retaining ring insured that WHEN a tank threw track (to the outside) it 'sliced' or even 'cut' the track blocks. More damage to more track blocks. Requiring replacement blocks in excess of the 2 or 4 that each tank carried.
Also the retaining ring had to be removed to gain access to the sprocket (if replacement is required). It became a hinderance, so 'we' began leaving the retaining rings off.
Proper and continous Track maint. made the retaining ring useless. I always did a walk around when doing a short halt. Besides one could answer natures call AND have a smoke while checking track....
Crews tended to dismount the #7 skirt while in the field. It was basicly useless, and if the #7 became clogged with mud, it had a tendancy to snap the bolts off on rear 'mud flaps', thus kicked up mud would pile up on the back deck and bustle rack. Personal gear would get trashed.
The #7 skirt there is a typical early skirt(XM-1 & 'slick' M-1) In the mid to late 80's and MWO was applied and this types were cut out to allow mud to fall out of the hub. Like that, mud built up and bulged the skirt out, and then would cause damage to the rear flap. In the late 80's # 7 skirts were made with the cut out.
Sorry for the long winded narrative....
HTH
Don


Here is a close up of the TTB (Abrams test bed) with the Paddlewheel. The #7 skirt is removed (VERY COMMON).



We used to take them off, before rolling out. Then during recovery (post operations - clean up) we would bolt them back on...

Don
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Dontos
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Joined: Jan 24, 2006
Posts: 3436
Location: Vine Grove, KY
PostPosted: Sun Feb 25, 2007 6:57 am
Post subject: Re: M1A1 Track Center Guides
- SFC_Jeff_Button
What are the advantages of the various types of center guides? I also noticed that the rear drive sprocket has different outer plates. Whats the story on these? Do they differentiate between models, or are any of them more rare than another?



....NOTHING REALLY....

I Found this photo while rummagingfor others so figured I show ya track thrown to the inside....
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