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"Archemedes Screw Steam Engine "The Muskrat" " Topic


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16 Jul 2014 8:22 a.m. PST
by Editor in Chief Bill

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©1994-2024 Bill Armintrout
Comments or corrections?

Tango0115 Jul 2014 10:46 p.m. PST

"The "Muskrat" is a concept utilizing the technology availabe during the American Civil War which features the opposed screw drive. With extensive sabotage and damage to the rail infrastructure during the war, this steam powered vehicle would have allowed travel through swamps and fields of 19th century America. Designed as an artillery hauler and support for the "Snapping Turtle'. This vehicle would have perfomed similarly to an army tank in the field; on paved roads or firm surfaces however, it would have the tendancy to sidewind."

picture

Also like "U.S.L.I. Snapping Turtle"

picture

From here
link

Hope you enjoy!.

Amicalement
Armand

Rebelyell200616 Jul 2014 6:54 a.m. PST

How can that thing gain any traction? With such tiny wheels, all it would do is sink into the ground.

Personal logo javelin98 Supporting Member of TMP16 Jul 2014 10:51 a.m. PST

Those auger-drive vehicles have been around for almost a hundred years, so that's definitely plausible:

link

Lion in the Stars17 Jul 2014 12:10 p.m. PST

I'm not so sure about the USLI 'Snapping Turtle', but I'd believe the screw-drive locomotive!

Problem with those screw-drive vehicles is that it's very dependent on soft soil. bogs or cultivated farmland wouldn't be too much trouble, but rocky hills and fences would really put a damper on them!

TheBeast Supporting Member of TMP18 Jul 2014 8:18 a.m. PST

Wheels could be bigger, or a lot more of them, but I'm even more concerned about how narrow the footprint is.

Images can be deceiving, but looks damn unstable.

Doug

EJNashIII20 Jul 2014 7:18 a.m. PST

I guess Ephraim Shay was just born too late. The basic concept needed for the Muskrat design was the geared steam locomotive to transfer the power to the cylinder/screw. He invented the idea in 1875 and patented it in 1881.

link

I do wonder how one would turn it.

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