Making a balance bike?
Should be easy. My kids balance bike frame is simply two sheets of ply wood. You could either mimick this design with two sheets of aluminim shaped you your CNC miller, or go flash with a Aluminim billet with isogrid pockets milled out with a singe sided rear.
An interesting project but a bit of over kill though for something that is only going to see a little bit of use. I think the balance bike I bought for my kids was about £30 from Amazon.
Or you could just take a conventional kids bike and remove the crank and bottom bracket.Posted 4 years ago
So..Posted 4 years ago
My little girl is starting to get to that age when ‘proud dad to be’ is looking at getting a balance bike.
Thing is I’m a CNC programmer by trade and have access to mills (with 5th axis) and lathes and was wondering how difficult it would be to make a frame (maybe wheels/forks) and put it all together myself.
Has anyone built a metal balance bike for their little ones that might be able to give ma bit of an insight into what’s needed..
Thanks for the tips guys.
I do think buying one would be the best option BUT I really like the idea of making one. Toying with the idea of billet lugs that I can bolt the tubes into. Should be fairly easy to do on my CNC’s and the best thing is I’ll be able to do it for free as my boss is pretty good like that…so I won’t lose any time with MiniD and we are planning on having more so would be able to pass it down 🙂
Like the idea of a single-sided swing arm..
Does anyone have a basic geometry plan for one?Posted 4 years agoBigJohnSubscriber
I made a balance bike for my grandson out of this monstrosity.
I chopped off the seat tube and made a flat wooden saddle that went onto the rear rack thing. I chopped off the pedals and about 6″ of steerer. Then I cut slots into the dropouts to mount the wheel higher up to lower the whole thing. I lost all the stabilisers, back mudguard and superfluous plastic bits
He started pushing about on it just before his 2nd birthday and was flying along by 2 1/2.Posted 4 years ago
@tinsy: That would be awesome mate. Not in any great rush, got a few months yet. Don’t know how long it will take so would like to get started in the next month or so. Might take a while to get the drawings and programming done but would be great to have a starting point.
my email is: steve_dees AT hotmail.com
CheersPosted 4 years ago
What would make it really worthwhile IMO is if you could make it modular so that it can grow with the kid. I bought my nephew a quality bike but he’ll be too big for it soon. If you could add pedals at the appropriate time and design it so that it has enough adjustment to be used as balance and pedal bike, you’d be on to a major winner.Posted 4 years agocookeaaSubscriber
If you’re gonna go nuts on it rather than ‘Just’ machine it it out of billet, use your 5 axis machine to make up some mold tooling and laminate something sexy and composite…
I’m assuming of course you have infinate resources and time…
Our ~£45 Bright pink, chunk of Chinese steel, balance bike was great, and is just piquing the interest of daughter No 2 now at ~18 months…Posted 4 years ago
The older one loved it but has basically un-learnt two wheeled balance since, as her mother never takes her anywhere on her bike and so she’s demanded stabilizers be fitted… Money well spent eh?
Thought I’d post an update on this as I’ve been able to make a start.
Got all the info needed now and done a mock up on my CAD package to get everything in the right place.Posted 4 years ago
Got the downtube started (cut out the location for the head tube) and got the swingarm, basically, finished. Will need to do some fettling on the SA when it’s all welded up to remove any sharp bits.
Will be turning the head tube today or tomorrow and then waiting for the forks to arrive. I’m going to use an old fork CSU as it’ll make things a little easier to do.
Pics of progress:
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