PDA

View Full Version : Method for attaching a nut to the top of forks



jinnan_tonnix
08-05-2008, 02:49 PM
Hi all,

Here's a good way of attaching a bolt to the top of a tube. It allows you to bolt a plate right on to the top of the fork.

Here's my instructables page showing the trick:

http://www.instructables.com/id/SS8PF3IFI36FQMJ/

Hope you find it useful.


Paul.

http://www.instructables.com/files/deriv/FX7/AC13/FI36FQD5/FX7AC13FI36FQD5.MEDIUM.jpg

Richie Rich
08-05-2008, 08:03 PM
Welcome to the KREW, Paul...!!

Thanks for the great tip. That's one method I haven't tried but I will on a future build.

On my other Choppers, I've used the methods shown below.
One is simply welding the nut inside the tubing, and the other is by inserting a 'Star Nut'.
A Star Nut only goes in and can't come out.

We hope to see more pix of your projects, Paul.

....Richie Rich....

PS..I LOVE your Forum name...'Gin & Tonics'. :D


.http://farm4.static.flickr.com/3268/2737137020_ba3a28f89a_o.jpghttp://farm4.static.flickr.com/3045/2736313155_299cff4242_m.jpg
.

jinnan_tonnix
08-05-2008, 08:37 PM
Thanks for the welcome! :)

This is my first bike, it's been a good practice exercise
http://www.instructables.com/id/Budget-Chopper-Bicycle-work-in-progress/

I've just bought the Vigilante plans, I've had a quick look and it looks great. I'm going to base my second bike on this. I won't be able to start this for a while, so I'll have to be patient.

I have an old motorcycle wheel which I'll de-spoke and use for the rim.

I'm thinking of using a bottom bracket for the rear wheel axle - welding square section tubes (spokes) to the shell of the bottom bracket.
An adapter to convert the square section of the bottom bracket axle to a freewheel should be do-able.

TheKid
08-05-2008, 09:30 PM
If I understand that right, the hub would be the BB shell, and would spin on the BB axle, the same as a normal hub. If so, then you could weld the right threaded cup to the shell with 1/2" of threads exposed, which will accept a freewheel, and extend the axle, or possibly make a new, longer axle.

Nice work on those choppers. There are some good ideas in the instructables.

jinnan_tonnix
08-06-2008, 05:06 PM
If I understand that right, the hub would be the BB shell, and would spin on the BB axle, the same as a normal hub. If so, then you could weld the right threaded cup to the shell with 1/2" of threads exposed, which will accept a freewheel, and extend the axle, or possibly make a new, longer axle.

Sort of. :)
I'd rather not weld the cup to the shell. I'd prefer to keep it so that I can replace the bottom bracket bearing if I need to.

My (half-baked) plan is to get a plain machined BB sleeve like this:
http://www.framebuilding.com/NEWPARTSPAGES/Other%20BB%20shells.htm
and insert a bottom bracket.

By the way, I'm in the UK and so are these: http://www.framebuilding.com/
They seem to stock every conceivable frame item (though I haven't used them yet).

there's a couple of ways of attaching a BMX freewheel to a BB, I'm going to try and work out the best way.

It would greatly simplify the making of the wheel on the Vigilante chopper as the BB sleeve would form the centre of the wheel, and the square section spokes would be welded to this centre axle.

Crank bolts will provide a nice solid way of attaching the axle to a rear drop out.

Like I said, this is a half baked plan, and it's still in my head at the moment, so it may well be a no-go when I start to make it. No matter, we'll see what happens. :)