 Unusual bike and once again I'm a huge fan of the Heath Robinson spirit but what the hell is with that saddle angle?
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 what the hell is with that saddle angle?
Head down and off by the looks of it!
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Awesome bike Jon, now you need to come up wtih a brand name as good as shane's.
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Head down and off??? More like face on the stem and arse off on to the top tube!
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Pleased you like it :-)
Fair cop on the saddle situation. I took these photos pretty much immediately after finishing the build, and a few things changed pretty soon after. You'll not be surprised to know the angle of the saddle was one of them.
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John - You Finished it! Lovely job.
Andy's right: the name's gotta be right, with just enough adolescent peurile humour. Theres got to be something you can do with "stiff" and "wood".
How do we up this bike-building ante?
shane
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 How do we up this bike-building ante?
Bike made from bones?
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Hi Shane! How's the back? On the road to recovery, I hope.
How do we up this bike-building ante?
I'm sticking to bamboo for the time being, but the next one's got to be a mountain bike. The biggest issue with this frame is clearance for gears and tyres, which is rubbish even though I’m running 1” slicks and a single chainring. So, I’m thinking of borrowing the BB/ chainstays from an existing frame that someone’s totalled (a Scalpel would be lovely) and going from there. Should be much quicker to build than this one, plus I’ll end up with a bamboo full suspension bike :-)
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 Frames made from woven hemp cloth bonded with cellulose?
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 Yes The pinkster and you could call it... bollockoni!
Sort of italian!
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Seriously – I’d be keen to explore hemp as an option for the lugs. Certainly more environmentally sound than carbon fibre, not to mention a damn sight cheaper. Maybe for #3…
Sooo, anyone got a broken Scalpel (or similar) they’d be willing to say goodbye to? I’m happy to pay decent money for it, as long as the chainstays/ BB are reasonable. Any other damage is completely irrelevant, I’ll be sawing it all off anyway.
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 god i want one!!!
hmm, a bamboo fixie for round town would be amazing.
it can't be that hard can it?!
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Genuinely - it's not that difficult if you're mechanically-minded. But it does take a serious time commitment to make it happen. If you're interested, I'll be documenting my next build at http://myspace.com/projectbamboo, so you'll be able to see how it's done!
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hmmm... worth a look.
is the carbon and resin expensive etc?
ok,i know its probably never going to happen, but its nice to wish, eh!!
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Enough resin for mebby 3 bikes costs 25 quid for the good stuff (that they make wind turbine blades from).
Carbon sheet cost me about 100 quid, but I've got shedloads left over. Maybe another 2 bikes in there somewhere.
So:
bamboo - 20 quid from garden centre
epoxy - 25 quid from a yacht chandlers
dropouts etc - 20 quid
brushes etc - 20 quid
making a jig - another 20 quid for wood but it'd be nice to get one from a bike company.
patience - priceless.
Oh, and wear a _Proper_ filter mask when working with this stuff, none of those silly things held on with elastic bands.
If theres enough interest in a bamboo/carbon singlespeed then it'd be worth doing something about it. How much would you pay for one?
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well, theoretically, there's just over £130 in parts, and a fair bit of build time etc, so i reckon ~£350 would be very reasonable (i.e. i'd find that cheap). fwiw i payed £850 for my custom 853 frame, so 350 would be bloody stonking. (although i imagine material costs and tool costs are a fair bit cheaper)
unfortunately getting £350 out of a student is nigh on impossible... ; )
however, it would be something i would love to try.
how did your seat tube/clamp work? is there a metal insert in there?
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There certainly is. check out http://www.framebuilding.com/ for all the gubbins like seat tubes, head tubes, BB shells etc. There aren't many firms supplying components like this to hobbyists in the world, and we have one in the UK :-) Alternatively, saw up an old frame, as Shane did (and I'll be doing for the next one). There are loads of useful resources out there relating to framebuilding. Let me know if you decide to take it on...
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thanks jon. i'll bookmark this for future reference, if i can ever get the funds up to scratch!
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