"Overall diameter" refers to the measurement of the width or size of an object from one side to the opposite side, taking into account its entire shape or structure.
Full definition
The manufacturer's design will also include what the pitch is on any of the vanes, how closely they are run together,
overall diameter of the TC, and many other factors.
Again using the 205 / 55R16 your
current overall diameter is 519.15 mm (wheel size * 25.4 + tire width * sidewall percentage)
If you have low - profile original equipment tires, anything 50 series or less, consider going to a wheel size one or two inches smaller and matching the tire's
overall diameter top to bottom (including the hole in the middle).
Importantly, Ford said the wheels and tires are narrower than the base wheel and tire package, which improves snow traction, while their
smaller overall diameter allows owners to fit snow chains if needed.
@steveverrill1 these new rims are legal and only have a wider tires,
the overall diameter is the same as before.
If you do not keep
the overall diameter of your tire the same (wheel diameter + sidewall height) you will be altering your final gear ratio which will make your speedometer incorrect, alter your fuel mileage (better or worse depends on driving behavior and altered size), impacts your acceleration, what speed you can reach in which gears, your effective power band, etc..
Which advantages or disadvantages would I obtain by changing the rim size while keeping
the overall diameter of the wheel and the thread width constant?
The real car would have smaller wheels, but
the overall diameter of the tires wouldn't be much changed.
To then get
the overall diameter or «height «of the tire you would add the two sidewalls and the diameter of the wheel.
Example A: 33X12.50 R15 The first number is
your overall diameter of the tire.
This increases
the overall diameter in relation to your «standard» Corvette Stingray's 321 mm front rotors and increases the brake torque up to 57 % on average.
If you have changed
the overall diameter of the wheel / tire assembly, that affects the accuracy of the data reported by the speed sensor.
This increases
the overall diameter in relation to the standard 12.6 - in.
Maine Tire Size: Legislation has been introduced in Maine to remove a provision in the law that requires
the overall diameter of motor vehicle tires be within 2 in.
The best appearance is to increase
the overall diameter of the rim and add low profile tyres.
A bezel setting also works the same way by increasing
the overall diameter (as long as the bezel is not so thick that it makes the diamond look smaller).
However, with
an overall diameter of 1.8 inches, it's a bit too large for many female wrists.
Overall diameter 16» W, overall height 31» H.