Length of Piston Pin used in Connecting Rod Calculator

✖Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.ⓘ Diameter of Cylinder Bore [D_i]

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✖Length of Piston Pin in Connecting Rod is the length of the part of piston pin inside the bush of small end of the connecting rod.ⓘ Length of Piston Pin used in Connecting Rod [l₁]

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Formula

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Length of Piston Pin used in Connecting Rod

Formula

l 1 = 0.45 \cdot D i

Example

81 mm = 0.45 \cdot 180 mm

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Length of Piston Pin used in Connecting Rod Solution

STEP 0: Pre-Calculation Summary

Formula Used

Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore
l₁ = 0.45*D_i
This formula uses 2 Variables

Variables Used

Length of Piston Pin in Connecting Rod - (Measured in Meter) - Length of Piston Pin in Connecting Rod is the length of the part of piston pin inside the bush of small end of the connecting rod.
Diameter of Cylinder Bore - (Measured in Meter) - Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.

STEP 1: Convert Input(s) to Base Unit

Diameter of Cylinder Bore: 180 Millimeter --> 0.18 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

l₁ = 0.45*D_i --> 0.45*0.18

Evaluating ... ...

l₁ = 0.081

STEP 3: Convert Result to Output's Unit

0.081 Meter -->81 Millimeter (Check conversion here)

FINAL ANSWER

81 Millimeter <-- Length of Piston Pin in Connecting Rod

(Calculation completed in 00.020 seconds)

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

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Shri Govindram Seksaria Institute of Technology and Science (SGSITS), Indore

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< Piston Pin Calculators

Outer Diameter of Piston Pin

Go Outer Diameter of Piston Pin = pi*Diameter of Cylinder Bore^2*Maximum Gas Pressure Inside Cylinder/(4*Bearing Pressure of CrankPin Bush*Length of Piston Pin in Connecting Rod)

Resisting Bearing Force by Piston Pin

Go Resistive Force by Piston Pin = Bearing Pressure of CrankPin Bush*Outer Diameter of Piston Pin*Length of Piston Pin in Connecting Rod

Length of Piston Pin used in Connecting Rod

Go Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore

Outer Diameter of Piston Pin given its Inner Diameter

Go Outer Diameter of Piston Pin = Inner Diameter of Piston Pin/0.6

< Important Formulas of Piston Calculators

Maximum Bending Stress in Piston Pin

Go Maximum Bending Stress in Piston Pin = 4*Force Exerted on Piston*Diameter of Cylinder Bore*Outer Diameter of Piston Pin/(pi*(Outer Diameter of Piston Pin^4-Inner Diameter of Piston Pin^4))

Maximum Bending Moment on Piston Pin

Go Bending Moment = Force Exerted on Piston*Diameter of Cylinder Bore/8

Length of Piston Pin used in Connecting Rod

Go Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore

Inner Diameter of Piston Pin

Go Inner Diameter of Piston Pin = 0.6*Outer Diameter of Piston Pin

Length of Piston Pin used in Connecting Rod Formula

Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore
l₁ = 0.45*D_i

Piston Pin

In an internal combustion engine, the piston pin helps to connect the piston to the connecting rod and provides bearing support for the connecting rod to pivot when the piston needs to move. Or in simple words, the piston pin is a connecting link between the piston and the connecting rod.
In most engine arrangements, including steam-powered engines, large stationery, and/or marine engines, this pin is located in a sliding crosshead that usually connects to the piston via a rod. This pin is a forged small hollow rod usually made of high-strength steel alloy. The pin design is challenging, especially in the case of small, high-revving automotive engines. Let’s know the working of the piston pin.

How to Calculate Length of Piston Pin used in Connecting Rod?

Length of Piston Pin used in Connecting Rod calculator uses Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore to calculate the Length of Piston Pin in Connecting Rod, The Length of Piston Pin used in Connecting Rod is the length of the part of the piston pin which is used to connect the piston with the connecting rod. Length of Piston Pin in Connecting Rod is denoted by l₁ symbol.

How to calculate Length of Piston Pin used in Connecting Rod using this online calculator? To use this online calculator for Length of Piston Pin used in Connecting Rod, enter Diameter of Cylinder Bore (D_i) and hit the calculate button. Here is how the Length of Piston Pin used in Connecting Rod calculation can be explained with given input values -> 81000 = 0.45*0.18.

FAQ

What is Length of Piston Pin used in Connecting Rod?

The Length of Piston Pin used in Connecting Rod is the length of the part of the piston pin which is used to connect the piston with the connecting rod and is represented as l₁ = 0.45*D_i or Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore. Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.

How to calculate Length of Piston Pin used in Connecting Rod?

The Length of Piston Pin used in Connecting Rod is the length of the part of the piston pin which is used to connect the piston with the connecting rod is calculated using Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore. To calculate Length of Piston Pin used in Connecting Rod, you need Diameter of Cylinder Bore (D_i). With our tool, you need to enter the respective value for Diameter of Cylinder Bore and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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