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The Cardboard Bicycle by Izhar Gafni

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Blog entry by Grumpy posted 578 days ago 3182 reads 0 times favorited 17 comments Add to Favorites Watch

I’m sure this qualifies as a woodworking project as cardboard is made from wood products is it not.
This is really worth a look

http://www.youtube.com/watch?v=txSboSNQINs

-- Grumpy - "Always look on the bright side of life"- Monty Python



17 comments so far

View DS's profile

DS

2131 posts in 1051 days


#1 posted 578 days ago

Of course it’s woodworking!

This is a material called “Bioboard”. (Yes, it is cardboard, but it is fairly high density/strength and about 1” thick.)

The company I work for actually uses this material to make laminated insert panels for office system partitions. We laminate HPL to either side and insert them into metal frames. We buy them in 4X8 sheets and 5X8 sheets and go through several units per month.

It’s kinda cool to see a whole bicycle made from it.

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

View Grumpy's profile

Grumpy

19390 posts in 2482 days


#2 posted 578 days ago

Some of it looked like the honeycomb slabs we used to put under vehicles before they were dropped out of Hercs. I’ve seen plenty of that.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1746 days


#3 posted 578 days ago

I like the fact he didn´t quit :-)

thanks for sharing

Dennis

View DS's profile

DS

2131 posts in 1051 days


#4 posted 578 days ago

You specify this stuff by the crush strength—Typical is around 200lbs.

When you roll it up or double it by folding, this number grows.
The creases he makes in the folds will weaken it along that direction, but as soon as it gets bent 90 degrees the strength is again multiplied.

It’s no wonder it is strong enough to hold a larger person.

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

View Dan'um Style's profile

Dan'um Style

12925 posts in 2614 days


#5 posted 578 days ago

Great posting Grumpman ! Well worth the time watching the short video.

Regards
DAN

-- keeping myself entertained ... Humor and fun lubricate the brain

View Dave G's profile

Dave G

169 posts in 679 days


#6 posted 578 days ago

I thought, “well, has anybody made bicycles out of wood recently?” Then I realized that cardboard is superior because it uses the I-beam or surfboard principle to reduce weight. You wouldn’t make a surfboard out of a solid chunk of wood (maybe the old Hawaiians did, but they didn’t know about foam and fiberglass). Cardboard is a cheaper form of foam + fiberglass. So I conclude this is not woodworking but really cool topic for woodworkers anyway.

-- Dave, New England - “We are made to persist. that's how we find out who we are.” ― Tobias Wolff

View hooky's profile

hooky

361 posts in 1950 days


#7 posted 578 days ago

these guys have been making beautiful wooden bikes for a while

hooky
http://www.renovobikes.com/

-- Happiness is a way of travel , not a destination (Roy Goodman)

View Grumpy's profile

Grumpy

19390 posts in 2482 days


#8 posted 578 days ago

Now they are nice bikes Hooky. Good post

-- Grumpy - "Always look on the bright side of life"- Monty Python

View hooky's profile

hooky

361 posts in 1950 days


#9 posted 578 days ago

i know there brilliant if i had the 6 grand i would buy one You know you’re a woodworker when you think i could make one

Hooky

PS Happy Aussie day

-- Happiness is a way of travel , not a destination (Roy Goodman)

View derosa's profile

derosa

1535 posts in 1467 days


#10 posted 578 days ago

You know you’re a woodworker when you think i could make one
I’ve got the shop I work at part time in the summer saving me the frame parts from the next wrecked bike that comes in. Things like seat tubes, bottom bracket shells and headtubes need to be metal, everything else can be wood.

-- --Rev. Russ in NY-- A posse ad esse

View Grumpy's profile

Grumpy

19390 posts in 2482 days


#11 posted 578 days ago

Thanks Hooky, having a beer right now.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View Dave G's profile

Dave G

169 posts in 679 days


#12 posted 578 days ago

Thanks Hooky. Really amazing stuff in addition to the bikes (made of wood) on Renovo’s site.

-- Dave, New England - “We are made to persist. that's how we find out who we are.” ― Tobias Wolff

View Sam Shakouri's profile

Sam Shakouri

978 posts in 1719 days


#13 posted 578 days ago

I’m 110 kg, will it take me for ride? and for how long?
Thanks for sharing, Grumpy.

-- Sam Shakouri / CREATING WONDERS WITH WOOD.....Sydney,Australia....

View Tim Dahn's profile

Tim Dahn

1467 posts in 2196 days


#14 posted 578 days ago

Cool video Grumpy!

-- Good judgement comes from experience and experience comes from poor judgement.

View Grumpymike's profile

Grumpymike

1066 posts in 946 days


#15 posted 577 days ago

Amazing … thanks for the share

-- Grumpy old guy, and lookin' good Doin' it. ... Surprise Az.

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