Jump to content


Photo
- - - - -

Wheel Center Height Relative To Chassis


  • Please log in to reply
9 replies to this topic

#1 Tremelune

Tremelune

    Mini Mad

  • Members
  • PipPipPipPip
  • 154 posts
  • Location: Los Angeles

Posted 02 March 2020 - 11:17 PM

I'm converting my Mini to electric and I'm at the point where I need to figure out the mounting of the motor to the front subframe. I once read of their being a standard measurement of the wheel center relative to the chassis of the car, but I can't find it. Does anyone know what it is? I need to know how high to mount the motor.

 

Maybe axle shaft output from the stock engine relative to the chassis would be better...? I should have measured this before I pulled the motor out of the car...Now I'm in a bit of a pickle.



#2 nicklouse

nicklouse

    Moved Into The Garage

  • TMF+ Member
  • PipPipPipPipPipPipPipPipPipPipPip
  • 18,356 posts
  • Location: Not Yorkshire
  • Local Club: Anonyme Miniholiker

Posted 02 March 2020 - 11:35 PM

there is a measurement for the wheel centre to arch for the hydro cars

 

and there is this image but they are not to ground.

S6zK3jD.jpg


 



#3 Tremelune

Tremelune

    Mini Mad

  • Members
  • PipPipPipPip
  • 154 posts
  • Location: Los Angeles

Posted 10 March 2020 - 04:15 AM

This is close! What is the G or A measurement relative to on the high side, though??

 

My car has no wheels on it, so it's tough to measure relative to the floor accurately.


Edited by Tremelune, 10 March 2020 - 04:16 AM.


#4 GraemeC

GraemeC

    Crazy About Mini's

  • TMF+ Member
  • PipPipPipPipPipPipPipPipPipPip
  • 7,418 posts
  • Location: Carnforth

Posted 10 March 2020 - 07:43 AM

You won’t go far wrong if you try and ensure the drive shafts are level

#5 Tremelune

Tremelune

    Mini Mad

  • Members
  • PipPipPipPip
  • 154 posts
  • Location: Los Angeles

Posted 10 March 2020 - 06:40 PM

This is true, but then I'd still have to install the subframe, wheels, and suspension back on the car before I could get that measurement relative to the subframe. I'm hoping to avoid this.



#6 GraemeC

GraemeC

    Crazy About Mini's

  • TMF+ Member
  • PipPipPipPipPipPipPipPipPipPip
  • 7,418 posts
  • Location: Carnforth

Posted 10 March 2020 - 07:23 PM

Why? You’d only need to assemble the subframe with its suspension and drive components - the body shell is irrelevant.



#7 Tremelune

Tremelune

    Mini Mad

  • Members
  • PipPipPipPip
  • 154 posts
  • Location: Los Angeles

Posted 10 March 2020 - 09:10 PM

Interesting. How would I know when the wheel is at the correct height? The driveshaft would have to be level while the wheel was plumb...and since the wheel's camber changes as it moves up and down...it seems like a lot of variables and questionable reference points.

 

Hm...If I put a level on the driveshaft and a level vertically across the rim lip (or tire is probably good enough)...that might do it...

 

Interesting. You've got my wheels turnin'...



#8 GraemeC

GraemeC

    Crazy About Mini's

  • TMF+ Member
  • PipPipPipPipPipPipPipPipPipPip
  • 7,418 posts
  • Location: Carnforth

Posted 10 March 2020 - 09:32 PM

When the drive shaft is roughly central in the hole in the subframe and is level then that’s all you need.

The camber of the wheel can be accommodated and adjusted later if needed



#9 Tremelune

Tremelune

    Mini Mad

  • Members
  • PipPipPipPip
  • 154 posts
  • Location: Los Angeles

Posted 10 March 2020 - 10:06 PM

Aha, thanks! It sounds like I’m over-thinking this whole thing. If the center of the hole is where the axles should be at rest, I can just measure there to the towers and use that for reference.

#10 Tremelune

Tremelune

    Mini Mad

  • Members
  • PipPipPipPip
  • 154 posts
  • Location: Los Angeles

Posted 11 March 2020 - 04:11 AM

With some measuring and some brilliant math, I found that the height of axle center is 10.25" below the top of the towers. Thanks for helping my brain work!

 

math.jpg






1 user(s) are reading this topic

0 members, 1 guests, 0 anonymous users