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I am designing an electric surfboard, i wanted to know which electric motor would be suitable to run with the graupner mini jet drive. I have a mechanical engineering background, however i am a little rusty when it comes to selecting appropriate electric motor. I do have a reasonable...

Hi in another thread, i have put the simulation attached. cheers

Attached is a jackstand assembly, i tried my best to model the situation as close to real life as possible. I need to make sure the pin is safe for use - I just want to know if the actual boundary conditions, restraints and loads are correct.. I can alter the pin diameter at a later date...

hi jassco, thanks for the reply. There is a clearance between the two cylinders, and a clearence between the pin and the cylinder holes. Firstly, i isolated just the pin and applied a "fixture" to the bottom portion of the outside cylinder. And the load applied to the top portion (top half of...

The setup is a jackstand, 1471500 N applied, i need to do an analysis on the pin. I feel comfortable with hand calculations, however i am having trouble placing the right restraints. Here is the assembly...

I do not know how to set the boundary conditions to yield accurate results - please help.

Hi Kellnerp, did you find that example problem?

Thankyou for your help. If you find that example, please attach for my perusal - it would be helpful as a reference.

I am using solidworks 2011 - however, i do not have the cosine distribution option - so i selected non-uniform distribution, and under equation coefficients i selected (-1) under x^2 and selected a path from the inner cylinder to the outer cylinder - this was my attempt at trying to replicate...

here is the fixture, and load.http://files.engineering.com/getfile.aspx?folder=75c4c7df-3970-4429-81df-cc67cf113c7f&file=Capture1.PNG

Hi sorry for the lack of specification. Here is a screen shot of the foundation. Ill upload another photo of how i have placed the force, and fixture.http://files.engineering.com/getfile.aspx?folder=3069911e-66eb-446a-a9b0-3e74bd44c727&file=Capture.PNG

A cylindrical jackstand, with a cylinder adjustable rod inside - held to place by a pin. I am treating this as double shear, however i am having trouble applying the appropriate fixtures. I have applied the force on either side to only the top portion. When i apply the fixture restaint on the...