Dark Horse Axle Sliders

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I second the need for some dimensions. It shouldn't be that hard to make my own since I have access to a lathe and material.
 
50dro said:
Thanks Trill!! I didn't think of using a set screw. Good idea. I'm thinking of machining a set of my own. Can anyone give me the diameter of the portion that goes into the axle? Are they all the same (right to left, front to back)?

Thanks!

Ooops sorry to confuse you like that. The hole does not have a set screw but thats a good idea. The hole is just there to tighten the whole spool onto the threaded rod. Just need to poke some sort of tool in there such as a small screwdriver or allen wrench will work fine..

If nobody posts the specs by tomorrow I'll grab them and check with the dial caliper at work. I should really buy myself one of those dang things soon.

But if I give you the specs. you better send me a set to "try out" ;)

And no they are not the same. If you look into your axle holes you will see that one side is a bit larger and that goes with the front as well.
 
Well I dug up some old pics from when I just got them :)

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Thanks Trill. I will be heading over to the Machine Lab here at the university tomorrow or friday. I'll try to get some picture posted after I finish.
 
OK...The engineer in me had to take it a little further:D

I came up with this drawing by using sockets to determine an appropriate diameter to fit in each axle location (DIM A) then decided I'd like to create a bit of a stand-off so that the forks and swing arm don't get scratched so I added DIM B.

NOTE: I haven't made these myself yet so use discretion with this drawing. Most other dimensions were guessed at. Feel free to improvise a bit. I didn't include a version for spool stands but that would be sort of self-explanatory to include I guess?

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Edit: Last line reads "REAR | .975 | 1.375" (got covered by web site logo)
 
Sweet guys. I want in on this. Let me know if I can get a pair of if I can help in anyway with raw product to make some.:D:D
 
If I had more free access to a lathe, I definitely would take you up on that Bright...I'll talk to a few friends who have lathes and let you know if I have anything to offer.
 
Does it matter what kind of aluminum that you use? I have access to about 24" of scrap metal just laying around collecting dust. However I have no clue as to what type of alloy the aluminum is.
 
Does it matter what kind of aluminum that you use?

The harder the better (that's what she said) :D

IMHO...I think any aluminum would be sufficient considering alot of people use plastic ones, but I've never seen them after an accident...
 
Well anything in the way of pavement should at least take some of the blow off of the swingarm. If anyone can get some definite measurements I'll get on the lathe as soon as I can. I'm already doing a lot of machining for the NASA moon buggy (senior design project) competition coming up in April so just a little more can't hurt ;)
 
I'd run with the measurements I posted...I just don't want to make any claims before trying it myself...Please feel free to criticize if my layout could be improved or if I missed something.
 
...hmmm.... we DO have a CNC, but I don't know how to render something that 3D intensive.
 
OK here are the specs that I came up with today.

The measurements below are for the shaft that goes into the axles The shafts for the front are about 1/2" deep and the rear are about 3/4" deep

Diameters-

Front sliders
Large - .8660"
small - .6410"
Rod used - 1/4 x 20 @ 9.5 - 10" long

Rear Spool
Large = .8660"
Small = .7310
Rod used - 5/16 x 18 @ 13.5 - 14.5" long

Your best bet its to round up my measurements since I really havn't been trained on conversions etc. so I'm not too proficient with a dial caliper but this is what the digital display read as I went along.

If anyone wants to school me on these things please do :)
 
Thanks again Trill! That's very close to what I came up with! The ol' Craftsman sockets got me pretty close! :D

Does the bare aluminum rub directly against the swing arm and fork in their design? I think I'm going to stick with the stand-off (DIM B) on my design just to avoid that contact.

I wonder why they used different sized all-thread form front to back? Probably not necessary. I'll probably just pick up a 2 foot piece of all-thread (probably 5/16-18) and make both out of the same for simplicity's sake.

The actual length of the all-thread will depend on the overall length of the axle plus the depth of the threaded hole (at least to the set screw...past the end of the axle). I figured I'd put nut and lock-washer on one end and lock the other down with the set screw to install it.

BTW...My questions here aren't to knock what you've posted. Just trying to understand what they did and decide what I will do. I (and I'm sure others) appreciate your effort to share![up]

If any of you make your own, please post pics![cool]
 

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