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warren
human power expert

4795 Posts

Posted - 09/29/2010 :  20:11:24  Show Profile  Visit warren's Homepage  Reply with Quote
I really like how some of those chopper bikes look, with the swoopy tubing and the giganto tires. I really haven't seen any recumbent versions of those though. So... Here's a new project in the planning stages:

http://www.recumbents.com/wisil/chopper/


-Warren.

Dana Barlow
recumbent enthusiast

322 Posts

Posted - 09/30/2010 :  08:04:49  Show Profile  Visit Dana Barlow's Homepage  Reply with Quote
For sure fun.
We have a club of Wired-O bikes here in south fl. they meet up a few times a year,but the biggist meet is coming up near holloween every year,there are many odd bikes many recumbents kind of, not unlike your drawing in the club.
They all do a ride praid of about 4 or 5 miles and a stop for food and talk and awards[best bike ect.,then ride back to start point done in the evening ending about 8pm.
i'll see if i can fined there website?

Dana
Team Strange
"Strange One","Too Strange","Strange Try"
Miami Fla.

Edited by - Dana Barlow on 09/30/2010 08:16:08
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Larry Lem
human power expert

South Sandwich Islands
2248 Posts

Posted - 09/30/2010 :  10:30:21  Show Profile  Reply with Quote
I am interested to see the results of the roll bender, if you buy one.

Larry Lem
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warren
human power expert

4795 Posts

Posted - 09/30/2010 :  12:54:59  Show Profile  Visit warren's Homepage  Reply with Quote
I am planning on taking a trip to the local Harbor Freight this weekend!
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PoiterH
New Member

Australia
64 Posts

Posted - 10/02/2010 :  02:58:00  Show Profile  Visit PoiterH's Homepage  Reply with Quote
There is a mail order supplier in US for all the special bits like wide rims and tyres.
A friend has built two big choppers with pedal drive.
Not so fast but conversation starters.
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PoiterH
New Member

Australia
64 Posts

Posted - 10/02/2010 :  02:59:35  Show Profile  Visit PoiterH's Homepage  Reply with Quote
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warren
human power expert

4795 Posts

Posted - 10/02/2010 :  15:49:56  Show Profile  Visit warren's Homepage  Reply with Quote
Those are pretty cool! Mine will be less of chopper, and probably slower, but it will have e-assist so that should help a bit!

-Warren.
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Speedy
recumbent guru

USA
738 Posts

Posted - 10/05/2010 :  21:21:35  Show Profile  Reply with Quote
an interesting wood chopper / recumbent shown in this video :

http://velonews.competitor.com/2010/09/interbike/the-last-cool-things-at-interbike_143002
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warren
human power expert

4795 Posts

Posted - 10/07/2010 :  10:37:22  Show Profile  Visit warren's Homepage  Reply with Quote
I still haven't made it to Harbor Freight tools.

Garrie has come up with an interesting alternative for the frame tubing used in this project. He's suggesting 2" OD Aluminum tubing, bonded with CF lugs. (insulated from the aluminum with fiberglass). This should make the bike look a lot beefier, but not add to the weight. The bare aluminum with CF lugs should look cool as well. The first think I need for this project is one those downhill double clamp suspension forks. I'm trying to find a used one for under $150.

-Warren.
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warren
human power expert

4795 Posts

Posted - 10/11/2010 :  17:59:02  Show Profile  Visit warren's Homepage  Reply with Quote
Apparently I am now the proud owner of "WHITE BROS DH DC118 SUSPENSION FORK VINTAGE". It should work out well.

-Warren.
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Runxner
recumbent enthusiast

Australia
333 Posts

Posted - 11/06/2010 :  07:08:50  Show Profile  Reply with Quote
or a hitachi/chopper like this
http://www.johnnypayphone.net/labels/fabricate.html

Team Low-Life
Lowracer Test Pilot/Evangelist
Adelaide, Australia
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warren
human power expert

4795 Posts

Posted - 11/10/2010 :  16:47:47  Show Profile  Visit warren's Homepage  Reply with Quote
I drew up the scale drawing. It has a 72" wheelbase. That's a big bike.


As shown with 2" tubes.

-Warren.
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Garrie L Hill
human power supergeek

USA
1425 Posts

Posted - 11/11/2010 :  05:49:35  Show Profile  Reply with Quote
Warren;
Cool! So, you're going for a single sided rear hub? ;-)

Garrie "carbon based lifeform" Hill
HPRA Co-Dictator of the East
for pics of some of my time and money sucking projects
http://garriehill.winkflash.com/
and
http://s58.photobucket.com/albums/g277/cfbb/
and videos
http://vimeo.com/5513519


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warren
human power expert

4795 Posts

Posted - 11/13/2010 :  09:38:34  Show Profile  Visit warren's Homepage  Reply with Quote
Hey Garrie, I had the team of trained monkeys who were responsible for the expensive CAD and analysis package that this was designed in make the fix above. The drawing was then output with the "DaVinci" rendering plugin.

-Warren.
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alevand
human power supergeek

USA
1876 Posts

Posted - 11/13/2010 :  09:47:47  Show Profile  Visit alevand's Homepage  Reply with Quote
You might want to put a fake gas tank up front to fill with ballast so it's not so twitchy.

C:
Tony Levand
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warren
human power expert

4795 Posts

Posted - 11/13/2010 :  16:37:52  Show Profile  Visit warren's Homepage  Reply with Quote
Why would it be twitchy?
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alevand
human power supergeek

USA
1876 Posts

Posted - 11/14/2010 :  05:34:09  Show Profile  Visit alevand's Homepage  Reply with Quote
The seat is close to the rear wheel. Curved steering linkage might be a bit flexy.

C:
Tony Levand

Edited by - alevand on 11/14/2010 05:41:08
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Runxner
recumbent enthusiast

Australia
333 Posts

Posted - 11/15/2010 :  01:29:00  Show Profile  Reply with Quote
fake? how about insulated ,with a straw & filled with Hydrive.

Team Low-Life
Lowracer Test Pilot/Evangelist
Adelaide, Australia
Edited by - Runxner on 11/13/2010 22:40:33

Team Low-Life
Lowracer Test Pilot/Evangelist
Adelaide, Australia
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alevand
human power supergeek

USA
1876 Posts

Posted - 11/15/2010 :  19:22:15  Show Profile  Visit alevand's Homepage  Reply with Quote
Maybe I am too critical and it will be a "tight ride", considering the kilogram front suspension fork and rake. Have fun Warren.

C:
Tony Levand
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warren
human power expert

4795 Posts

Posted - 10/20/2011 :  18:30:46  Show Profile  Visit warren's Homepage  Reply with Quote
Here's the latest iteration.



More here: http://recumbents.com/wisil/chopper

-Warren.
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Dreamer
recumbent guru

USA
599 Posts

Posted - 10/20/2011 :  19:46:54  Show Profile  Reply with Quote
quote:
fake? how about insulated ,with a straw & filled with Hydrive.


Hydrive? How about some home brew for those hot summer days when this bike will really shine?

On a serious note, filling a thin wall tube with sand and sealing the ends will allow tighter radiuses, especially with lower cost benders.

But then again I'm serious about the home brew too. <G>

Don
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warren
human power expert

4795 Posts

Posted - 10/21/2011 :  16:54:40  Show Profile  Visit warren's Homepage  Reply with Quote
Hi Don - Garrie noted the same thing. I never have had much luck with the sand. It's hard to get the sand tamped, and hard to seal the ends tight enough to have the sand stay in the tube.

I have been told that this is not a real chopper because the fork is not long and raked. What is it then?

-Warren.

Edited by - warren on 10/21/2011 16:57:26
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Speedbiker
human power expert

USA
2384 Posts

Posted - 10/21/2011 :  17:29:24  Show Profile  Reply with Quote
That would make it a "bobber".
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jjackstone
recumbent enthusiast

USA
162 Posts

Posted - 10/21/2011 :  17:59:31  Show Profile  Reply with Quote
What if you put the sand in and sealed it while it was wet?

It might be called a lowrider or a beach cruiser.

JJ
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warren
human power expert

4795 Posts

Posted - 10/21/2011 :  19:36:50  Show Profile  Visit warren's Homepage  Reply with Quote
Ah, thank you Thom, I think that is appropriate.

http://en.wikipedia.org/wiki/Bobber_(motorcycle)
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Speedbiker
human power expert

USA
2384 Posts

Posted - 10/22/2011 :  07:14:08  Show Profile  Reply with Quote
Warren, is it gonna be human/electric hybrid? Also, despite the flop, I'd lean that headtube back and shorten up the tiller effect, if it were me. Did you see the chopper I built?
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