Odd New Bike: Built, Explained
Joe Bernard
William
robert zeidler
bit of input on some details regarding fit issues, function issues.
Otherwise, as GP intended, I'll shut up.
RGZ
On Wed, Dec 7, 2011 at 3:20 PM, Joe Bernard <joer...@gmail.com> wrote:
> The "tentacle stays" are that way because...Grant likes 'em that way.
>
> http://rivbike.tumblr.com/
>
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David T.
William
grant
Now, if I could only come up with a theory to explain the asymmetry.
The truth is, when I sent my drawing to Taiwan (yes,this may be a
production bike at some distant point), I sent symmetrical stays, more
like the one of the drive side. When I got back their interpretation,
they were asymmetrical, like you see here. My first reaction was
exactly what anybody's would have been: "What'sit? Why? Who said to do
that? It's not what I'd expect--that kind of loosey goosey
creativity---from a do-as-you're-told Taiwanese CAD dude." THen, about
five seconds later, I loved it, welcomed it, and that was it.
They have to have an effect, and the effect has to be a slight
stiffening or reinforcing. They can't NOT do that. The task is simple
and I like how they look, and so Tapebubba is kind of right.
HS: Early on, I was thinking of this as a super slack bike. A slacker
bike. A Slackeur...and in keeping with the primate names lately, I
thought OK, Henri Slackeur..or Henriettta Slackeuse, for the fairer
sex there. But it seemed like too much of a joke on the American fad
of Frenchifying everything...not that we've never done that, but the
door is shut on it for now, at least.
The current working model name is Abner Thorp...but I think that may
be too harsh for some, so it's far from final. It could be Rosco
Bubbe, even tho that was going to be for the kid's bike that probably
won't happen. I do like that name a lot. Right now I'm not thinking
much about the name (and please no suggestions, so I don't feel
horrible for not taking them, if I don't). I figure anybody who can
handle the curvey T-stays and the overall idea of the bike can also
handle a slightly out-of-bounds name, but it won't be H. Slackeur/
Slackeuse.
SIze on a production model, if it happens, will be 50.7, 54.3, 58.7,
61.7. The smally will have 650B. The two bigs, 700c. The 54.3 I got
has 700c, but final may be 650B. The 650B Bettys we have a really boss-
riding bikes, and Dave here is rooting for it. I don't know yet.
William
Mike
especially as it was "unveiled" on the day Harry Morgan departed this
world. Although my hands down favorite name for a Riv bike would be
the "Ignatius J. Reilly". I'll just shut up now.
--mike
dougP
counteract torsional forces in the rear triangle caused by the drive
being on one side. Seems like as good a story as any, and they look
pretty interesting as well. They are a bit muted with the bike built
up. A front basket would be a nice complement to the overall look.
dougP
> > Still no explanation for the "HS" though. I wonder...- Hide quoted text -
>
> - Show quoted text -
Joe Bernard
Marty
EricP
Have to admit having a bike like Grant's idea a few years ago. It was
a Cross Check that was too big for me. Ended up using an Albatross
bar just to be able to ride it. God ride, but ended up being
impractical in winter in Minnesota. Not enough weight up front to
help control the bike.
Eric Platt
St. Paul, MN
Scott G.
The Simplex and GB made neat ones.
http://www.classiclightweights.co.uk/components/clangers-comp.html
Mike
> The Simplex and GB made neat ones.
>
> http://www.classiclightweights.co.uk/components/clangers-comp.html
Bring back the Clanger! Seriously, I kind of like that. Thanks for
posting.
--mike
David Yu Greenblatt
Joe Bernard
Ginz
me out of a front changer. I'm a huge MASH fan, as well.
Bruce Herbitter
Sent from my Kindle Fire
From: Joe Bernard <joer...@gmail.com>
Sent: Wed Dec 07 20:45:05 CST 2011
To: rbw-owne...@googlegroups.com
Subject: [RBW] Re: Odd New Bike: Built, Explained
I think rod operated front derailers are the coolest bike part, ever. I'd LOVE to have one on my AHH.
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Marty
islaysteve
Steve Palincsar
> Clanger, maybe, but no one is going to talk
> me out of a front changer. I'm a huge MASH fan, as well.
Clangers and MASH, is that what you're saying?
doc
shifter."
Dang. Beat me to it.
On Dec 8, 6:51 am, Bruce Herbitter <bruce.herbit...@gmail.com> wrote:
> No cable stretch and you'd feel like a Harley rider with a suicide shifter.
> Sent from my Kindle Fire
>
> _____________________________________________
> From: Joe Bernard <joerem...@gmail.com>
> Sent: Wed Dec 07 20:45:05 CST 2011
> To: rbw-owne...@googlegroups.com
> Subject: [RBW] Re: Odd New Bike: Built, Explained
>
> I think rod operated front derailers are the coolest bike part, ever. I'd LOVE to have one on my AHH.
>
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> You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group.
> To view this discussion on the web visithttps://groups.google.com/d/msg/rbw-owners-bunch/-/PAQHe6N0EjwJ.
Peter Pesce
I like "Slackeur" too, though it sounds like a porteur that's too lazy to carry anything...
-Pete
dougP
I see the date on the photo of the red custom is 2001. Look at how
tall the head tube is; this is clearly A Big Bike. Somewhere in the
back of my mind is a vague recollection of an article (in the RR??)
about the challenge of building a really large frame for a really big
guy (maybe pro athlete size / weight??) while using Riv standard dia
tubing to preserve the elegant look. The solution was the diagatube &
extra stays. I'll bet this is the bike.
Thanks for posting the photo. It's a beautiful bike.
dougP
> http://www.flickr.com/photos/32306142@N07/4935818693/in/set-721576232...
Marty
Allingham II, Thomas J
“It makes me feel like King of all I survey.” — John, as he rode it.
I’m the king of a cow! And I’m the king of a mule!
I’m the king of a house! And, what’s more, beyond that
I’m the king of a blueberry bush and a cat!
I’m Yertle the Turtle! Oh, marvelous me!
For I am the ruler of all that I see!”
I am monarch of all I survey,
My right there is none to dispute;
From the centre all round to the sea,
I am lord of the fowl and the brute.* * *
Riv content? GP likes great poetry.
From: rbw-owne...@googlegroups.com [mailto:rbw-owne...@googlegroups.com] On Behalf Of Joe Bernard
Sent: Wednesday, December 07, 2011 7:06 PM
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Patrick in VT
On Dec 7, 7:04 pm, Mike <mjawn...@gmail.com> wrote:
Although my hands down favorite name for a Riv bike would be
> the "Ignatius J. Reilly". I'll just shut up now.
>
+1. This bike will make many valves close as it lacks a certain
theology and geometry held closely by the confederacy of dunces.
William
robert zeidler
seatstays could be minimized a bit, lending a more elegant look to it.
Not sure how that would play against the multi-tube front, but those,
like wise could be ever so smaller. Sorry, GP, just thinking out
loud.
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Aaron Young
robert zeidler
Hunqa/Bomba theme.
RGZ
George Schick
slack geometry and those handlebars, it seems like one would want
something a bit wider than a B-17 saddle...maybe even a sprung model.
But maybe he just threw it on there because it was convenient for the
quick build.
On Dec 7, 2:20 pm, Joe Bernard <joerem...@gmail.com> wrote:
> The "tentacle stays" are that way because...Grant likes 'em that way.
>
> *http://rivbike.tumblr.com/*<http://rivbike.tumblr.com/>
Mark Fredrickson
Or perhaps owned by the good people of Jim Thorpe, PA:
http://en.wikipedia.org/wiki/Jim_Thorpe,_Pennsylvania
There is a "This American Life" segment on the subject well worth a
listen.
- M
chadk
Designing a bike around the to-be-finalized handlebars seems nuts to
me. The consequences of this design:
1. Much longer top and down tubes (+5ish cm)
2. Much longer chain stays (+4ish cm)
3. Extra frame tube and stays required to stiffen frame
4. Slack head tube plus rather raked fork plus long chainstays
results in a huge wheelbase
5. needs extra long stem
The result is a HUGE frame. Of course it is heavier than a 'standard'
bike, but it also takes more storage space and is more unwieldy for
tight space manuevering (e.g. staircases).
I don't doubt that Grant designed the bike to ride just fine, but
those compromises are significant.
How about designing a wacky, more comfortable bar with forward reach?
-Chad
Urbana, IL
grant
stand out. We don't need another multiversatile, do-it-all bike (it's
hard to improve on the bikes we have, in that way...I mean, I think).
True, it's not the bike for Japanesey apartments already crowded with
bikes and roomates, but the BR or RB or whatever it is...could easily
be an Albatross-bar bike, with a 9cm stem or a JoeSlacker bar bike
with a 12...the diff in stems is, I'd say, about 3cm, maybe 4cm.
Although I have a 12cm stem on it, the long tt, if anything, favors a
shorter stem. I wanted to test it with a longy, also as a way of
testing the sweebackedness of the handlebar.
It's main purpose is riding pavement of any length, but not too steep.
And if it IS too steep, it can handle that, too---just put a 24t ring
in front and a 36t cog in back. Descending on a long wheelbase is an
experience we should all have at least a few times. The WB on the BR
is a hair under 45 inches (WB is the only bike dimension I still think
of non-metrically). And...historically, 45-inches ain't that long. The
Worksman bikes we have here are about that, and for all their other
eccentricities that on paper suggest they shouldn't be (super slack
head tube, high bb), they're great descenders.
I'm not sure the extra stays are required to stiffen the frame,
because I don't know how important it is for the frame to be rigid
back there (or anyhere, to a point). But they don't add enough weight
to worry about, and they call attention to the bike as a little
different, and I think they look kinda cool. (Which reminds me of a
Dolly Parton response to an interviewer's question, that didn't she/
Dolly think all that makeup and the uplifts and all that made her look
like a hooker?--something along the lines of, "I hope so, because when
I was growing up, they were the prettiest girls in town!"
Joe Bernard
Jeremy Till
Grant, if you read this again, it looks like it has a fairly low bottom bracket...or is that just some kind of illusion brought on by the non-standard angles? And would you stick with horizontal dropouts?
I'd probably ride the 61, or maybe the 58. I wonder how long the top tubes would be on those sizes?! Up near 70cm?
William
Ryan J
Peter Morgano
Ok, I know I will get flamed but isn't an igh setup perfect for a casual rolling flatlands bike like this? Especially if you want to go no front derailer.
Matthew J
> is indeed a wonderful experience..kinda like pedaling a stretched
> chopper.
It was its long wheelbase more than anything that pushed the Trek 728
into the stuff of legend for those who rode it.
On Dec 9, 10:56 pm, Joe Bernard <joerem...@gmail.com> wrote:
> *Descending on a long wheelbase is an experience we should all have at
> least a few times.*
> **
> As the former owner of a long-wheelbase recumbent, I can attest that this
> is indeed a wonderful experience..kinda like pedaling a stretched
> chopper. I'm still a little dicey on the assymetrical stays, but the
> Rivendell Long Wheelbase Cruiser concept sounds pretty cool. Thinking of it
> as a chopper *really* makes me want to put a rod-operated front derailer on
James Warren
David T.
I really like that idea; people talk about trail, geometry etc. of a
frame, but so much of the feel and steering depends on the handlebar
and the stem, so to have the frame and handlebar designed for each
other makes a lot of sense, but I don’t think it happens very often.
I also like the part about using this bike for one purpose, which
frees up your other bikes. If you have two or three bikes, the way you
set one of them up influences the way you can set up the others. In
other words, if you have one bike that can handle commuting, getting
groceries etc. then you maybe you can take the fenders and basket off
another bike and it becomes your sport bike, or imaginary racing
machine.
I don’t really need this kind of bike right now, but it is kind of fun
to critique bike design, even though it isn’t the same as actually
knowing how to build them, or having that skill or experience. It
isn’t to judge how a bike was designed, or criticize, but as a
bicycling enthusiast it is interesting to talk about the geometry and
design of frames, more as an appreciation.