Ripsaw driveline

[larboc]

Take an open diff and put cutting brakes on it, then go rock crawling. Sure you can brake the low traction wheel but if you've ever tried it it's a pain in the ass and it takes twice as much power as just having a locker

But there's a bigger problem I see in a tank application. With an open diff to go straight you have both brakes released. Now put some resistance on one track, head up a side hill or hit a good sized ledge with one track. With both brakes released it'd start turning on it's own. Sure you can correct for it but I'd imagine it makes for some unpredictable handling at speed. With this set up it goes dead straight until it's commanded not to.

My Argo experiences confirm most of this. It gets weird.

 

[M92PV4U]

like these
where they got two o-rings and the middle part passes clear through the swivelly bit

the fluid pressure pushes on both seals with the same force so you get a zero-net thrust on the fitting
meaning your brake fluid won't leak out as often

Oh. I thought that you were talking about modifying the shaft.

We tried to get those to try before but couldn't get them in the correct thread.

 

[M92PV4U]

Better video, a little better.