Calculating torque to turn/twist a trailer on wheels when it's not moving

  • Thread starter Calvin Horst
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In summary, calculating the torque required to turn or twist a stationary trailer involves understanding the forces acting on the trailer's wheels and the friction between the tires and the ground. The torque can be determined using the formula τ = r × F, where τ is the torque, r is the radius of the wheel, and F is the force applied. Factors such as the weight distribution of the trailer, the angle of the turn, and the coefficient of friction will influence the necessary force and, consequently, the torque. Proper calculations ensure safe and effective maneuvering of the trailer without causing damage or instability.
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Calvin Horst
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How did you find PF?: web search.

I am new to all this. There was another post similar to this, but it was above my current education. I didn't go beyond 8th grade. So, beyond that I learn by doing, and through other friends.

I'm constructing a building on wheels for pastured chickens. 24' wide, 44' Long and weight roughly 16,000 pounds when loaded. Building is capable of moving sideways and end ways.

Wheels are 31" diameter 15" wide with bar tread 4.5" O.C. 1.5" wide bar standing 0.625" high. And 3" in-between the bars. 4 wheels = 4,000 lbs. per wheel.
I am considering putting smooth Balloon tires on which would turn much easier. And pulling the building with a winch.

Another factor is how muddy the field is.
 
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Welcome to PF. :smile:
Calvin Horst said:
I'm constructing a building on wheels for pastured chickens. 24' wide, 44' Long and weight roughly 16,000 pounds when loaded.
Dat's a lot of chickens! Do you have any pictures of similar structures/trailers?
 
  • #3
AKA Chicken tractor. https://en.wikipedia.org/wiki/Chicken_tractor
https://mobilechickenhouse.com/commercial-chicken-tractor/

Calvin Horst said:
Building is capable of moving sideways and end ways.
How many wheels? To move the structure, you will need to pull on all the wheel modules at the same time. The direction of the pull will need to align the individual wheels.

The problem will be the strength of the framework or chassis. That will come down to the structural design, and how wires are used for cross-bracing.

Wind design will be important. What are the strongest winds it must withstand? What will the walls and roof be made from?

We need a sketch of your basic ideas.
 
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