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Snowcat History, Articles, Manuals, Brochures & Recollections Forum Publications, specifications, production information for snow cats

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  #21  
Old 12-20-2014, 08:57 PM
Manistee Manistee is offline
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Default Re: Military Testing of Snow-Cats....

Don - I think you are right on that. The Thiokol Spryte had much more difficulty than the larger 4T2 in the tests, it had problems sliding sideways, spraying mud, tracks loading up with mud, etc..
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  #22  
Old 01-16-2015, 11:21 AM
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Default Re: Military Testing of Snow-Cats....

Here is a complete list of Swamp Fox II Vehicles

1) Tote Goat Scooter, Model 400 & 600
2) Trailsster Scooter, Model 723
3) "Scat" Motorcycle
4) Trailbreaker, N-1000 Motorcycle 2x2
5) M-274, 1/2 Ton Carrier, 4x4 (Modified w/ 24x12-10R, Terra Tires)
6) M-151, 1/4 Ton Truck, Utility, 4x4
7) M-151, 1/4 Ton Truck, Utility, 4x4 (Modified w/ 36x20-14R, Terra Tires)
8) XM-408, 3/4 Ton Truck, Utility, 6x6
9) M-37, 3/4 Ton Truck, Cargo, 4x4 (Modified w/ 14.00x18 Widebase NDCC Tires)
10) FC-170, 3/4 Ton Truck, Cargo, 4x4
11) Unimog, 1 1/2 Ton Truck, Cargo, 4x4
12) WM-300, 1 Ton Truck, Cargo, 4x4 (Modified w/ 46x(18F & 24R)-16R Tires)
13) W-300, 1 Ton Truck, Cargo, 4x4 (Modified w/ 46x(18F & 24R)-16R Tires)
14) M-34, 2 1/2 Ton Truck, Cargo, 6x6 (Modified w/ 14.75x20 NDMD Tires)
15) M-35, 2 1/2 Ton Truck, Cargo, 6x6
16) XM-424E2, 3 1/2 Ton Truck, Cargo, 6x6
17) M-41, 5 Ton Truck, Cargo, 6x6
18) XM-453E3, 5 Ton Truck, Cargo, 8x8
19) XM-520, 5 Ton Truck, Cargo, 4x4, Goer
20) XM-409E8, Truck, Cargo, 8x8
21) XM-520E1, 8 Ton Truck, Cargo, 4x4, Goer
22) XM-438E3, Truck, Tanker, 5000 Gal., 4x4, Goer
23) Dura-Kat, 1/2 Ton Carrier, Tracked
24) Thiokol 201, 3/4 Ton Carrier, Personnel, Tracked
25) Thiokol 105, 1 Ton Carrier, Cargo, Tracked
26) M-116, 1 1/2 Ton Carrier, Cargo, Tracked
27) M-114, Armored Reconnaissance, Personnel, Tracked
28) XM-548, 5-Ton Carrier, Cargo, Tracked
29) M-113, Personnel Carrier, Armored, Tracked
30) Nodwell RN-110 D1, 5 1/2 Ton Carrier, Cargo, Tracked
31) Nodwell RN-200, 12 Ton Carrier, Cargo, Tracked
32) M-60, Tank, Main Battle, 105 mm Gun, Tracked
33) LGP D-7 Cat
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  #23  
Old 01-18-2015, 10:54 AM
Manistee Manistee is offline
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Default Re: Military Testing of Snow-Cats....

And now for something unrelated to the Swamp Fox tests. This is an Oliver T-60 from the late 1950s that was submitted as a prototype for testing by the military. Do not know what ever happened to them, or if any others were ever built, but I have the manual for it.

Specs:
Curb weight: 8150 lbs
Loaded weight: 9150 lbs
Seating: 4 (1 driver; 3 passengers)
Width: 83 3/8"
Track Width: 30"
Track Length on Ground: 72"
Engine: General Motors AV 248 (120 degree V6)
Transmission: Borg-Warner DG 250 TL (3-speed automatic)
Aux Transmission: Borg-Warner & Oliver (3-speed manual)
Steering Transmission: Oliver Controlled Epicyclic

Performance Characteristics:
Max. Design Speed: 35 MPH
Fording Depth: Unlimited
Water Speed: Undetermined
Max. Grade Ability: 100%
Vertical Obstacle Ability: 21 1/4"
Trench Crossing Ability: 29"
Cruising Range: 200 miles
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  #24  
Old 01-18-2015, 01:02 PM
undy undy is offline
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Default Re: Military Testing of Snow-Cats....

They must have made a few. Here's another pic I just found (top pic):
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  #25  
Old 01-19-2015, 12:48 PM
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Default Re: Military Testing of Snow-Cats....

Undy - Thank you for the comment. According to my reference, the lower pic is an Oliver, Ground Hog that was made in 1949 and did very well in testing with it's unique track design.

There was no name or designation given for the unit in the upper pic, or when it was made. It does use a similar track system, which went through various stages with different pitches tried. It has more bogie wheels than the T-60 and appears to be longer, without the enclosed passenger area, and the bumped out front (probably for cooling). My guess would be it was an intermediate between the Ground Hog and the T-60.

Very cool pics and histories, not to mention it is great to get a response so I know it is not just me posting for my own amusement.
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  #26  
Old 01-19-2015, 01:05 PM
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Default Re: Military Testing of Snow-Cats....

Manistee,

Oh, by golly, I didn't notice the different suspension. I found the pic and identification here: http://www.unusuallocomotion.com/pag...es-medium.html But I assume anyone on this forum has already seen that.

I always been more of a driver than a mechanic. As I've learned more about mechanics, I've been more fascinated by learning the design than by simply fixing a broken part. So the various forms that snowcats have taken over the years, and the way they do what they do, is of interest to me.

If the lower photo is the older machine, then they appear to have simplified their suspension, or at least swapped smaller bogies for larger ones.

Your photos and info are greatly appreciated!
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  #27  
Old 01-20-2015, 02:04 AM
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Default Re: Military Testing of Snow-Cats....

All photos are appreciated!! those T60 pics are great, the shallow depth of field and vignetting make the machines look like toys!
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  #28  
Old 01-20-2015, 11:30 AM
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Default Re: Military Testing of Snow-Cats....

one was posted here of one similar to the first photo a few years back. it was in someone's yard but in bad shape. I looked for the photos but couldn't find them.
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