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BT_107805416-Contributor
6-Contributor
January 23, 2024
Question

RPM to m/s

  • January 23, 2024
  • 3 replies
  • 7660 views

How to convert rpm to m/s in prime 7.0? I have velocity of 125rpm for radius 0.32 m how do I convert this to m/s

3 replies

L
LucMeekes23-Emerald IV
23-Emerald IV
January 23, 2024

You cannot convert these.

However, the speed of a vehicle driven by a circular wheel with radius 0.32 m cycling at 125 rpm can be calculated:

Just multiply the circumference of that wheel with the number of revolutions per unit of time it makes.

 

Success!
Luc

 

R
Raiko17-Peridot
17-Peridot
January 23, 2024

Hi, 

even though a direct conversion is not possible as these are two different kinetic properties, you can calculate the circumferential velocity; see attached sheet in MCP 9

L
LucMeekes23-Emerald IV
23-Emerald IV
January 23, 2024

Hmm,

in Prime rpm is different from 1/min.

LucMeekes_1-1706017922239.png

Success!
Luc

 

R
Raiko17-Peridot
17-Peridot
January 24, 2024

Hello Martin,

 

thank you for bringing it to my attention. That does make a difference

 

regards

 

Raiko

M
MartinHanak24-Ruby III
24-Ruby III
January 23, 2024

Hi,

 

https://community.ptc.com/t5/Mathcad/rpm-frequency-unit/td-p/285769

There are two types of dashboards of cars:

  • with rpm as radian per min for Mathcad users
  • with rpm as revolution per min for others normal people.

 

https://support.ptc.com/help/mathcad/r9.0/en/index.html#page/PTC_Mathcad_Help/frequency_and_angular_velocity_units.html

MartinHanak_1-1706029341344.png

 

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