On non-Interstate highways a tridum axle group is properly distributed if none of the individual axles carries more than 17,000 pounds.On Interstate highways a tridum axle group is properly distributed if none of the individual axles carries more than 16,000 pounds.On non-Interstate highways a tandem axle group is properly distributed if neither of the individual axles carries more than 21,500 pounds.On Interstate highways a tandem axle group is properly distributed if neither of the individual axles carries more than 20,000 pounds.All other vehicles and loads must comply with the following: Tandem Axles Those vehicles and loads with permits that exceed the legal axle weight must comply with the axle weight distribution as described on page 19. The law requires reasonable distribution of axle weight on tandem, tridum, and quadrum axle groups. Maximum licensed gross weight is equal to the maximum legal gross weight. Vehicles may not exceed their licensed gross weight. Regardless of the number and type of axles, the maximum legal gross weight of any combination of vehicles which has a tridum or quadrum axle is: 83,400 pounds (Interstate Highways) 88,000 pounds (Non-Interstate Highways). However, regardless of the number and type of axles, the maximum legal gross weight of any vehicle or combination of vehicles (except a combination with a tridum or quadrum axle) is: 80,000 pounds The sum of the legal axle weights on a vehicle or combination of vehicles is its legal gross weight. The maximum legal weight on a tire is: 650 pounds per inch width of tire Therefore, the maximum legal weights on non-Interstate highways are:Įxception: Weight limits for vehicles with tandem axles carrying forest products in their natural state shall be 40,000 pounds. I'd put the engine on, floor it, and see what happens before you do anything else.The maximum legal axle weights on Interstate highways are:Īxle variance of 2,000 pounds for single axles and 3,000 pounds for tandem, tridum and quadrum axles are allowed on non-Interstate highways. The engine and frame weight are in proportion on something as small as a go cart your weight is not. Make sure it really does lift first though. If it's possible for you to move the seat forward then do so. you) further from the rear axle, the less likely it is that anything will life that shouldn't lift. However, modification also lets you change other things around. Of course it's a much greater possibility in modifying it that something like that could happen. The things are designed to be virtually un-rollable/un-tippable. I was just hoping that someone here could estimate how fast a 15 hp/350cc engine can accelerate with the weight of the go-cart and all. That might mean that it could accelerate fast enough to lift the front wheels. Since it's a barebones kind of go-cart (no safety rail or roll-cage) it's pretty light.
LEGAL AXLE WEIGHT DISTRIBUTION HOW TO
Well, the thing is that the suspension on the go-cart really sucks, and I don't know exactly how to calculate the G forces and all of that from the acceleration. Downforce is one of the most important aspects in go-cart racing. Tell me if you think the 80-pound engine behind the axle will prevent me from being able to drive it without the wheels in the air, even for just some of the time. What do you want us to help you with exactly? I haven't dealt with that stuff in a long while. I had just forgotten the formulas and didn't feel like googling them. The acceleration due to gravity (g) is -9.8 m/s^2. What is acceleration? It is the increase in speed during a certain time period. That would be way too much trouble for an amateur like me. I'm not gonna modify it so much that the engine rides over or in front of the rear axle or anything like that. Yeah, I was planning on doing something like that, but that would mean I'd have to move everything forward, so I won't have as much leg room (because I'm not gonna mess with the steering column. Or else the cart will tilt when you ar not sitting in it. Move the engine as close to the rear axel as possible, or maybe even mover it over it, so that not all weight is resting on the back.
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