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So, I want to start a school club
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GeoffBird View Drop Down
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Points: 2396 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GeoffBird Quote  Post ReplyReply Direct Link To This Post Posted: 07 September 2015 at 12:37pm
Yanto wrote: Isn't bamboo classed as a grass, not wood?

Perhaps marketing a bike frame as being 'made of grass' would appeal to the more hippyish cycling enthusiasts? Smile

'fibregrass' (using woven grass as a composite reinforcement) has been around since the 70s although I think they are struggling to develop a naturally-derived, eco-friendly, matrix material (resin).


Edited by GeoffBird - 07 September 2015 at 12:40pm
Right Time - Right Place - Wrong Speed
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Points: 1521 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Yanto Quote  Post ReplyReply Direct Link To This Post Posted: 07 September 2015 at 2:46pm
Bamboo has a higher compressive strength than wood, brick or concrete and a tensile strength that rivals steel.


Maybe this is worth exploring a bit, and the chap at York Rally wasn't daft afterall.
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firedfromthecircus View Drop Down
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Points: 2 		Post Options Post Options   Thanks (0) Thanks(0)   Quote firedfromthecircus Quote  Post ReplyReply Direct Link To This Post Posted: 07 September 2015 at 3:04pm
If you are interested in a wooden build you might want to check out this page and follow some of the links.

https://texasrecumbents.wordpress.com/wood-bikes/

The 'Mistress' especially is a beautiful bike but the site seems to be down at the moment. Hopefully it is just temporary and it will be back soon.

http://carbonbent.bravehost.com/
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GeoffBird View Drop Down
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Points: 2396 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GeoffBird Quote  Post ReplyReply Direct Link To This Post Posted: 07 September 2015 at 5:06pm
The bamboo frames at the York Show were very light and had been through the standard bike frame load cycle testing and passed easily. IIRC, bamboo has a lot of silicon in it, which is why you can make cutting implements out of it.
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Wyndrake View Drop Down
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Points: 359 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wyndrake Quote  Post ReplyReply Direct Link To This Post Posted: 08 September 2015 at 7:03pm
Originally posted by Yanto Yanto wrote:

Isn't bamboo classed as a grass, not wood?


Assuming Yanto and Tweakapeadia are correct, during the early 60's, I rode my track bike with grass wheels, on grass tracks, whilst I was partially powered by grass! I fell off a lot...... Nowadays, I just .. fall over for no apparent reason Big smile
Apologies to Ethan for hi-jacking his thread....
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Points: 1926 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NickM Quote  Post ReplyReply Direct Link To This Post Posted: 10 September 2015 at 10:42am
Originally posted by Andrew S Andrew S wrote:

Have a look at the Atomic Zombie site for plans and ideas for DIY HPV projects:
www.atomiczombie.com
That's a good resource... and so is this:

http://www.shop.bhpc.org.uk/products/138-so-you-want-to-build-an-hpv.aspx
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atlas_shrugged View Drop Down
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Points: 1025 		Post Options Post Options   Thanks (0) Thanks(0)   Quote atlas_shrugged Quote  Post ReplyReply Direct Link To This Post Posted: 10 September 2015 at 8:02pm

It is worth having a look at what they do in Australian schools. I believe these HPVs are based on a standard trike and then the pupils add their own fairings.

This fairing could be made of corex which a few folks in BHPC have used to great effect.

Check out Eric the half Bee he is a complete tearaway:
https://www.youtube.com/watch?v=eYGnsCOQ34s
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NickM View Drop Down
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Points: 1926 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NickM Quote  Post ReplyReply Direct Link To This Post Posted: 16 September 2015 at 3:17pm
Originally posted by atlas_shrugged atlas_shrugged wrote:

Check out Eric the half Bee he is a complete tearaway:

https://www.youtube.com/watch?v=eYGnsCOQ34s

Stone me! That is terrific!!

The machine weighs 60lb, apparently. Once he has wound it up to speed, he is NOT giving any away Smile


Edited by NickM - 16 September 2015 at 3:18pm
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Ethan View Drop Down
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Points: 77 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ethan Quote  Post ReplyReply Direct Link To This Post Posted: 29 March 2016 at 8:20am
Hi again,
Bringing this up again in early planning for next year. I need to come up with a budget, any home builders got any suggestions? Thanks.
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