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So, I want to start a school club
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Ethan View Drop Down
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    Posted: 05 September 2015 at 10:23pm
School-based flu to build and the test hpvs. Will I need to know how to shape/solder metal, or can I do without? Anyone have any experience or know someone who does?
Ta
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Yanto View Drop Down
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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: 06 September 2015 at 7:35am
Please explain in more detail what you trying to achieve, as that looks like a cryptic cipher to me.
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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: 06 September 2015 at 5:32pm
Bless, the joys of iPad predictive text.
I am looking to start a club at my school, a build hpvs club. I know nothing about welding. How much of an issue will that be?
Has anyone here got any experience of running a club to build hpvs?
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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: 06 September 2015 at 8:26pm
Hi Ethan. There are other ways of building frames to welding - foam wrapped in glassfibre is economical and fairly straightforward. Or riveting and bonding aluminium is another way. 
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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: 06 September 2015 at 9:30pm
Hi Geoff, my skills in DIY extend to ikea furniture (which apparently puts me in the top 2% of the country); how hopeless will it be for me to not only try this, but try to get 10/11 year olds to do it?
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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: 06 September 2015 at 11:06pm
Well wood is another frame material that has been used successfully although I don't think IKEA stock a recumbent frame. Would you envisage having a standard design that they would make or would you want to encourage creativity/chaos?
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"Wood is an excellent material for making trees but is otherwise not to be trusted" - LJK Setright
====================

a bit ov a lyv wyr by slof standirds
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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 10:22am
coincidentally, I was just reading the bit in Mike Burrows' book about wood - he doesn't like it much either! There are many examples of wood being used successfully, especially for monocoque structures. You have to be more careful with structures like frames, but, especially if ease of construction rather than minimum weight is what you want, then it could be a good option. Had a long chat with a guy at the York Rally who is making frames out of bamboo bonded with wrapped carbonfibre at the joints/'lugs'.
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Yanto View Drop Down
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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 11:33am
Isn't bamboo classed as a grass, not wood?

Anyway, i've seen box section frames made out of plywood with internal bracing, all glued joints, I'm toying with the idea of making a high racer utilising this method. ETA (wasn't Jdub's low racer this construction?)

Maybe a cruciform chassis for an HPV could utilise this method?


Edited by Yanto - 07 September 2015 at 11:37am
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Andrew S View Drop Down
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Points: 2433 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Andrew S Quote  Post ReplyReply Direct Link To This Post Posted: 07 September 2015 at 12:10pm
Have a look at the Atomic Zombie site for plans and ideas for DIY HPV projects:
www.atomiczombie.com
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