Sign in to follow this  
aczkasow

Just made a Limited Slip Differential proof of concept

Recommended Posts

I have just made a Limited Slip Differential. I was inspired by Legonut135 CVT, and my LSD is based on his transmission principle with adding extra differential.

Without drive differential

2hLIDtKh.jpg

hTmEv1yh.jpg

Installing the drive differential

JWsDchIh.jpg

gIKZwcHh.jpg

8wWjwPjh.jpg

Here's a Youtube link

Edited by aczkasow

Share this post


Link to post
Share on other sites

This is cool, but as anything more than a demonstrator, it's worthless. It's so big, and differentials are so fragile, that any application that would benefit from this would destroy it. It's still cool, though.

Share this post


Link to post
Share on other sites

Saberwing40k, you are correct, sir; this is just a proof of concept. I don't think that wheel blocking is a big problem for lego.

Edited by aczkasow

Share this post


Link to post
Share on other sites

I really must resist the urge to make an "In Soviet Russia, Lego builds you." joke, but I apparently could not. Ah well, and you are right. Most trial trucks I've seen either have remotely locked differentials, or none at all. Still, this might be good for something, not sure what.

Share this post


Link to post
Share on other sites

I'm still a little confused how this works. But your demonstration did seem to work.

Is there some specific amount of limited slip? For example, it wont slip more than 1:3 or 3:1 ?

This is quite the pile of gears. Good job!

Share this post


Link to post
Share on other sites

Still, this might be good for something, not sure what.

A feature car maybe?

Is there some specific amount of limited slip? For example, it wont slip more than 1:3 or 3:1 ?

Yes, it is about 1:3

Share this post


Link to post
Share on other sites

very amazing mechanism, it would be awesome if you could simplify this so it's smaller and more usable. This seems like a much better solution than friction. However all these small gears are definitely weak and likely to fail. :(

I would still love to see a more physical explanation of the different modes this thing operates in.

To me it seems like it is adjusting the ratio of rotation between 1:3 and 3:1 between the two sides, like the continuously variable transmission implies.

I'm trying to come up with a very small/simple mechanism that will let me continuously transition from 1:1 and 1:-1, this seems like a very usable technique.

I suppose my first moment of unclarity is how one adjusts the ratio of the CVT. There were two disconnected shafts and i suppose friction or power in either of those adjusts the ratio?

Share this post


Link to post
Share on other sites

Please excuse my novice ability and understanding, but I don't see the advantage to this desgin over the differantial deisgned by LEGO (you use three of them in your deisgn). Is it more torque from gear ratios?

Share this post


Link to post
Share on other sites

Please excuse my novice ability and understanding, but I don't see the advantage to this desgin over the differantial deisgned by LEGO (you use three of them in your deisgn). Is it more torque from gear ratios?

A limited slip diff does not let just one side get the power, like solid gearing, but it also functions as a diff. You should check this out. http://m.youtube.com/#/watch?v=JX5YgNankww&desktop_uri=%2Fwatch%3Fv%3DJX5YgNankww

Edited by Someonenamedjon

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  

  • Recently Browsing   0 members

    No registered users viewing this page.