This is gonna sound real dumb, but Im sitting here at my Grampa's place, looking at some of the Fabrication he's been doing on his Ultralight (Plane between 250-350 lbs) and Im checking out his breaks on the wheels.. They are Go-Kart External Drum brakes like Northern hydraulics sells.. The 4" variety... Ive been looking at how to run a (this is my stupid question) t-case break for a while... If in theory this break can handle the wheel speeds of a go-kart (30 mph say) with the tiny wheels spinning fast as hell, then it should be able to handle the free load (heat build-up and possible drag) on my T-case output.... Then If I set up a cable to pull it really tight, it should, in theory hold my 2400 lb sammy right? They are cheap to buy (under $20) and I think I might just try it... I wouldn't use it on steep hills or anything, just in the driveway, at the mall, you know, the usual... Replacement pads are $12.. You could probably set up a spring system to keep it from draggin on the drum at high speeds.. Yeah, I know the question " Will a go kart brake hold my sammy? " sounds real dumb, but hell, it might JUST work... If i could put enough cable pressure (cammed type lever pull) it should hold enough pressure on it right? Should I just try it and let you guys know, or shut up now and never ask any questions ever again... I could pass inspection this way too...

This is what I think about sitting around with no project in sight...

Remember also, that it gets the mechanical advantage of the diff gears to hold you in place. :)

4:10 Gears, Toy axles, welded...

Probably more expensive but just an idea.. Have you ever looked at the rear disk brake setup on a Yamaha Banshee that id believe would work with a little fab also..

Yeah, we went down to the local dirt bike shop and priced all kinds of rotors and calipers... They got kinda pissed when we told them what we actually wanted to do with all this stuff and quit pricing anything for us after that... most of it would end up being very high in cost... If it were gonna be a no cost setup. id use the all-pro brake and forget about it, but Id have to fab up a cable and cam system for it too... I think Ill try this, just to see if it will actually work, it shouldn't be to hard to setup and not more than $40 by the time I finish it...

You should look into disk brakes used on go-karts. I've seen them on a racing go-kart and thought that it would work. The caliper's are even cable actuated.:D

Even though the comparison zuk - cart is a bit funny, the cart stuff should not be underestimated.

Originally posted by jones
You should look into disk brakes used on go-karts. I've seen them on a racing go-kart and thought that it would work. The caliper's are even cable actuated.:D


funny that you should mention this, as just the other day I was talking to some dude that was repairing a fork lift next to my office.

he pulled a small mechanical caliper out and showed it to me- "HurstAirheart" was molded on it.

I googled Hurst Airheart, and came up with this:

http://www.cometkartsales.com/store/brakes/hurst.htm

cool, another possible source for wierd applications

:D

This makes a move to 4-wheel disks look a lot more attractive!

another option would to be to fab a bracket and mount the little drum on the input to the t case then it would be multiplied by the t case gears as well

Originally posted by szki272
another option would to be to fab a bracket and mount the little drum on the input to the t case then it would be multiplied by the t case gears as well

Well, that would be a problem in a Sidekick, with a mated transfer case, but yeah, it's a great idea for a Sami.

Have you tried getting some second hand motorcycle brakes from a motorcycle boneyard? Thats what I am going to do when the time comes. Around here there are a lot of cycle yards where stuff is so cheap it is almost free.

well, ive been away from a computer for a while (whats new right)... Seems I spend all my time in the basement working on the rig... Im gonna try the drum set-up as soon as I get my T-Case crossmember setup... Since no one really blasted the Idea, I figure its worth $20 to see if it works....

Originally posted by XJOSHX
Have you tried getting some second hand motorcycle brakes from a motorcycle boneyard? Thats what I am going to do when the time comes. Around here there are a lot of cycle yards where stuff is so cheap it is almost free.





hmmm. unless you are referring to older bikes with a rear drum brake and mechanical linkage (which I think would be *brutal* to try and muck with and adapt:eek: )

all the disc brakes will be hydraulic.

I don't believe this is legal anywhere for a street driven rig's E-brake/park brake, and I can see why, because how would you set it up to lock in place? hydraulic line locks? you would have to do way more shit than I'm willing to do, to make that work!

I mean for just bootyfab trail use, sure, I could maybe envision bolting a motorcycle master cylinder/brake lever combo (from a dirt bike with a long front brake line) on the tranny tunnel somehow, and threading it down to the T-case output flange area where you would have to fab up a bracket for the caliper to bolt to.

And then make adapter plate to bolt the motorcyle disc to the output flange/U-joint on the T-case....

Some kind of device to hold the brake lever in the pulled in position ( rope?:p )


Go for it!

and take lots of pics:D