Pitch of Engine Valve Spring given its Free Length and Number of Active Turns Solution

STEP 0: Pre-Calculation Summary
Formula Used
Pitch of Valve spring = (Free Length of Valve Spring)/(Active Coils in Valve Spring+1)
p = (Lf)/(N+1)
This formula uses 3 Variables
Variables Used
Pitch of Valve spring - (Measured in Meter) - Pitch of Valve spring is defined as the axial distance between adjacent coils in the uncompressed state of the spring.
Free Length of Valve Spring - (Measured in Meter) - Free Length of Valve Spring is defined as the axial length of an unloaded helical compression spring. In In this case, no external force acts on the spring.
Active Coils in Valve Spring - Active Coils in Valve Spring is the number of coils or turns of a spring that actually contributes to the load-bearing capacity of the valve spring.
STEP 1: Convert Input(s) to Base Unit
Free Length of Valve Spring: 130 Millimeter --> 0.13 Meter (Check conversion here)
Active Coils in Valve Spring: 12 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
p = (Lf)/(N+1) --> (0.13)/(12+1)
Evaluating ... ...
p = 0.01
STEP 3: Convert Result to Output's Unit
0.01 Meter -->10 Millimeter (Check conversion here)
FINAL ANSWER
10 Millimeter <-- Pitch of Valve spring
(Calculation completed in 00.004 seconds)

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25 Valve Spring Calculators

Diameter of Wire of Engine Valve Spring
Go Wire Diameter of Valve Spring = sqrt((8*Wahl Factor of Valve Spring*((Initial Spring Force on Valve+Stiffness of Valve Spring*Lift of Valve)*Spring Index for Valve Spring))/(pi*Shear Stress in Valve Spring))
Wahl Factor for Engine Valve Spring given Spring Index
Go Wahl Factor of Valve Spring = (pi*Shear Stress in Valve Spring*Wire Diameter of Valve Spring^2)/(8*Spring Index for Valve Spring*(Initial Spring Force on Valve+Stiffness of Valve Spring*Lift of Valve))
Diameter of Coil of Engine Valve Spring given Torsional Shear Stress in Wire
Go Mean Coil Diameter of Valve Spring = Spring Index for Valve Spring*(sqrt((8*Wahl Factor of Valve Spring*(Axial Force on Valve Spring*Spring Index for Valve Spring))/(pi*Shear Stress in Valve Spring)))
Diameter of Wire of Engine Valve Spring given Maximum Compression in Spring
Go Wire Diameter of Valve Spring = ((8*Axial Force on Valve Spring*Active Coils in Valve Spring*Mean Coil Diameter of Valve Spring^3)/(Modulus of Rigidity of Valve Spring*Maximum Compression in Valve Spring))^(1/4)
Maximum Compression of Engine Valve Spring given Total Turns
Go Maximum Compression in Valve Spring = (8*Axial Force on Valve Spring*(Total Coils in Valve Spring-2)*Mean Coil Diameter of Valve Spring^3)/(Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)
Maximum Compression of Engine Valve Spring given Number of Active Turns
Go Maximum Compression in Valve Spring = (8*Axial Force on Valve Spring*Active Coils in Valve Spring*Mean Coil Diameter of Valve Spring^3)/(Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)
Solid Length of Engine Valve Spring
Go Solid Length of Valve Spring = (((Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)/(8*Mean Coil Diameter of Valve Spring^3*Stiffness of Valve Spring))+2)*Wire Diameter of Valve Spring
Diameter of Wire of Engine Valve Spring given Torsional Shear Stress in Wire
Go Wire Diameter of Valve Spring = sqrt((8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Shear Stress in Valve Spring))
Spring Index of Engine Valve Spring given Shear Stress, Maximum Force and Wire Diameter
Go Spring Index for Valve Spring = (pi*Shear Stress in Valve Spring*Wire Diameter of Valve Spring^2)/(8*Wahl Factor of Valve Spring*Axial Force on Valve Spring)
Wahl Factor for Engine Valve Spring given Mean Coil Diameter and Wire Diameter
Go Wahl Factor of Valve Spring = (pi*Shear Stress in Valve Spring*Wire Diameter of Valve Spring^2)/(8*Spring Index for Valve Spring*Axial Force on Valve Spring)
Diameter of Wire of Engine Valve Spring given Total Turns of Spring
Go Wire Diameter of Valve Spring = ((8*Mean Coil Diameter of Valve Spring^3*(Stiffness of Valve Spring*(Total Coils in Valve Spring-2)))/(Modulus of Rigidity of Valve Spring))^(0.25)
Diameter of Wire of Engine Valve Spring given Number of Active Turns of Spring
Go Wire Diameter of Valve Spring = ((8*Mean Coil Diameter of Valve Spring^3*Stiffness of Valve Spring*Active Coils in Valve Spring)/(Modulus of Rigidity of Valve Spring))^(0.25)
Stiffness of Engine Valve Spring given Total Turns of Spring
Go Stiffness of Valve Spring = (Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)/(8*Active Coils in Valve Spring*Mean Coil Diameter of Valve Spring^3)
Free Length of Engine Valve Spring
Go Free Length of Valve Spring = Total Coils in Valve Spring*Wire Diameter of Valve Spring+1.15*Maximum Compression in Valve Spring
Natural Frequency of Vibration of Engine Valve Spring given its Mass and Stiffness
Go Natural Frequency Valve Spring = (sqrt(Stiffness of Valve Spring/Mass of Valve Spring))/2
Maximum Compression of Engine Valve Spring given its Free Length and Solid Length
Go Maximum Compression in Valve Spring = (Free Length of Valve Spring-Solid Length of Valve Spring)/(1.15)
Solid Length of Engine Valve Spring given its Free Length and Maximum Compression
Go Solid Length of Valve Spring = Free Length of Valve Spring-1.15*Maximum Compression in Valve Spring
Solid Length of Engine Valve Spring given Number of Active Turns of Spring and Wire Diameter
Go Solid Length of Valve Spring = (Active Coils in Valve Spring+2)*Wire Diameter of Valve Spring
Solid Length of Engine Valve Spring given Total Number of Turns of Spring and Wire Diameter
Go Solid Length of Valve Spring = Total Coils in Valve Spring*Wire Diameter of Valve Spring
Mass of Engine Valve Spring given its Natural Frequency of Vibration and Stiffness
Go Mass of Valve Spring = Stiffness of Valve Spring/(4*Natural Frequency Valve Spring^2)
Stiffness of Engine Valve Spring given its Natural Frequency of Vibration and Mass
Go Stiffness of Valve Spring = 4*Mass of Valve Spring*Natural Frequency Valve Spring^2
Total Gap between Coils of Engine Valve Spring given Maximum Compression of Spring
Go Total Axial Gap between Valve Spirng Coils = 0.15*Maximum Compression in Valve Spring
Maximum Compression of Engine Valve Spring given Total Gap between Coils of Spring
Go Maximum Compression in Valve Spring = Total Axial Gap between Valve Spirng Coils/0.15
Diameter of Wire of Engine Valve Spring given Mean Coil Diameter
Go Wire Diameter of Valve Spring = Mean Coil Diameter of Valve Spring/8
Mean Coil Diameter of Engine Valve Spring given Wire Diameter
Go Mean Coil Diameter of Valve Spring = 8*Wire Diameter of Valve Spring

Pitch of Engine Valve Spring given its Free Length and Number of Active Turns Formula

Pitch of Valve spring = (Free Length of Valve Spring)/(Active Coils in Valve Spring+1)
p = (Lf)/(N+1)

What is spring rate and pitch?

Spring rate is the ratio of the force required to deform a spring to the extent of the deformity. Spring pitch is the distance between two adjacent coils, measured from the midpoint of the spring material.

How to Calculate Pitch of Engine Valve Spring given its Free Length and Number of Active Turns?

Pitch of Engine Valve Spring given its Free Length and Number of Active Turns calculator uses Pitch of Valve spring = (Free Length of Valve Spring)/(Active Coils in Valve Spring+1) to calculate the Pitch of Valve spring, Pitch of engine valve spring given its free length and number of active turns is defined as the axial distance between the adjacent coils of an engine valve spring when the spring is not compressed or extended. Pitch of Valve spring is denoted by p symbol.

How to calculate Pitch of Engine Valve Spring given its Free Length and Number of Active Turns using this online calculator? To use this online calculator for Pitch of Engine Valve Spring given its Free Length and Number of Active Turns, enter Free Length of Valve Spring (Lf) & Active Coils in Valve Spring (N) and hit the calculate button. Here is how the Pitch of Engine Valve Spring given its Free Length and Number of Active Turns calculation can be explained with given input values -> 10000 = (0.13)/(12+1).

FAQ

What is Pitch of Engine Valve Spring given its Free Length and Number of Active Turns?
Pitch of engine valve spring given its free length and number of active turns is defined as the axial distance between the adjacent coils of an engine valve spring when the spring is not compressed or extended and is represented as p = (Lf)/(N+1) or Pitch of Valve spring = (Free Length of Valve Spring)/(Active Coils in Valve Spring+1). Free Length of Valve Spring is defined as the axial length of an unloaded helical compression spring. In In this case, no external force acts on the spring & Active Coils in Valve Spring is the number of coils or turns of a spring that actually contributes to the load-bearing capacity of the valve spring.
How to calculate Pitch of Engine Valve Spring given its Free Length and Number of Active Turns?
Pitch of engine valve spring given its free length and number of active turns is defined as the axial distance between the adjacent coils of an engine valve spring when the spring is not compressed or extended is calculated using Pitch of Valve spring = (Free Length of Valve Spring)/(Active Coils in Valve Spring+1). To calculate Pitch of Engine Valve Spring given its Free Length and Number of Active Turns, you need Free Length of Valve Spring (Lf) & Active Coils in Valve Spring (N). With our tool, you need to enter the respective value for Free Length of Valve Spring & Active Coils in Valve Spring and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Pitch of Valve spring?
In this formula, Pitch of Valve spring uses Free Length of Valve Spring & Active Coils in Valve Spring. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Pitch of Valve spring = (Free Length of Valve Spring)/(Total Coils in Valve Spring-1)
  • Pitch of Valve spring = ((Active Coils in Valve Spring+2)*Wire Diameter of Valve Spring+1.15*(8*Axial Force on Valve Spring*Active Coils in Valve Spring*Mean Coil Diameter of Valve Spring^3)/(Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4))/(Active Coils in Valve Spring+1)
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