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P/R frameset drawings   Message List  
Reply | Forward Message #15481 of 24695 |
Hi, all.

I took some time yesterday to generate drawings for
all the current and future models.

http://kogswell.com/sitePR.php

The future models are pretty straight forward. The
step-throughs share the geometry with their high
T/T cousins. And the 64cm 700C set is the same
one we've been talking about for months now.

I'm hoping for early March for the future models
and next batch and racks (and if I'm lucky, 650B
tires and rims).

Kinda busy, gotta run,

Matthew



Tue Sep 18, 2007 1:45 pm

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Message #15481 of 24695 |
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Hi, all. I took some time yesterday to generate drawings for all the current and future models. http://kogswell.com/sitePR.php The future models are pretty...
Kogswell Cycles
kogswellreader
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Sep 18, 2007
1:46 pm

Matthew, Re the 650b framesets, what size tire are those measurements based on? Steve Heywood Lynden, WA...
steveh98264
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Sep 18, 2007
3:24 pm

... A tire with an OD of 666mm. Matthew...
Kogswell Cycles
kogswellreader
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Sep 18, 2007
3:52 pm

... And they say there's nothing "magical" about the 650B! http://en.wikipedia.org/wiki/Number_of_the_Beast...
Steve Palincsar
palincss
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Sep 18, 2007
4:06 pm

I realize that different brands of bike tires measure differently, but is "666mm" the diameter of a generic 650bX38, bigger, smaller??? Steve Heywood Lynden,...
steveh98264
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Sep 18, 2007
4:12 pm

... Roughly a Panaracer Col de la Vie, 584-38, roughly 36mm in width. Murray...
Murray Love
murraylove
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Sep 18, 2007
4:28 pm

... That's the way a Col de la Vie measures for me. Your mileage may very. Matthew...
Kogswell Cycles
kogswellreader
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Sep 18, 2007
5:13 pm

... These are nice. It would be helpful to show the height from the hub or bottom of the tire to the top of the headtube. This would answer one list member's ...
alex wetmore
alexphredorg
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Sep 18, 2007
4:36 pm

Alex, Thanks for making that request! I know others would like that info, but it would help me too. Big favor to ask of you or anyone else who knows geometry...
Steve
scohn4
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Sep 18, 2007
5:54 pm

... Have a look at this page: http://kogswell.com/fit And then post your measurements and your thoughts on bar position here, if you want. I'll generate a...
Kogswell Cycles
kogswellreader
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Sep 18, 2007
6:47 pm

Thanks Matthew! saddle-height: 76.5cm compartment: 61.5cm I'd like to have handlebars level with the saddle....
Steve
scohn4
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Sep 18, 2007
7:26 pm

... Here's the best I can do: http://kogswell.com/images/scohn4@... That's a 59.0cm P/R w/ an 80mm x 40º stem and 40mm of spacers. You're...
Kogswell Cycles
kogswellreader
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Sep 18, 2007
8:24 pm

... Wouldn't a 563 just be another 3cm of seatpost? Based on the posts that come with the bike, is that outside of recommended tolerance? I'm just thinking...
Steve
scohn4
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Sep 18, 2007
8:48 pm

... If you use a long post, there's no problem. ... Extra spacers are not an issue. All Kogswell forks come with 400mm steerers. ... Aesthetics. The bad news...
Kogswell Cycles
kogswellreader
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Sep 18, 2007
10:23 pm

... Steve reported his compartment length at 61.5cm but his posted measurements specified a TT length 55cm plus stem length of 10.3cm, for a compartment of at...
Art Delano
ardge_dee
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Sep 19, 2007
1:50 am

... I'm think'n Steve oughta' cut and paste the entire dialog, then send it to Curtlo or Allan Wanta. Yes, the custom frame would cost double what a P/R would...
Forbes Bagatelle-Black
diarmaede
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Sep 18, 2007
10:00 pm

Matthew, My saddle height is 29"/73.7cm and I'm most comfortable on a bike with about 66cm of total reach (compartment). Based on the previous measurements I'd...
steveh98264
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Sep 19, 2007
3:08 am

My saddle height is 78cm and my compartment reach is about 70.5cm. My PBH is 86cm in bare feet, 87.5cm with my cycling shoes. I'm about 5'10" tall. My...
Jim Gourgoutis
jim.gourgoutis
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Sep 21, 2007
8:10 pm

... It sounds like we ride similarily sized bikes, and the G0 59cm frame is right for me. It looks like I have a fistful of seatpost, but don't forget that the...
alex wetmore
alexphredorg
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Sep 21, 2007
8:20 pm

... I usually don't ask these sorts of questions, but I'm dying to know: Were you hauling a plastic tub full of Monkey Chow?...
Art Delano
ardge_dee
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Sep 21, 2007
8:29 pm

... That was malted barley, for making beer. I buy it in bulk (55# sacks) from the homebrew store and keep it at home. I don't have a grain mill, so when I...
alex wetmore
alexphredorg
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Sep 21, 2007
8:43 pm

... That is awesome. As a former homebrewer, I should have guessed that....
Art Delano
ardge_dee
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Sep 22, 2007
4:41 pm

... The 700C frames have flatter top tubes as well, I think, so your prototype bike is a good example there. ... I have the 57.5cm RB-1, I often wished that...
Jim Gourgoutis
jim.gourgoutis
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Sep 21, 2007
9:00 pm

FWIW, I just did a dimension study of the 700Cx59cm P/R in BikeCad to learn more about how it might fit. This is not exact, I guessed at some on some of the...
Jim Gourgoutis
jim.gourgoutis
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Sep 21, 2007
11:07 pm

... Yeah, it's tons of fun if you are into thinking about bikes. It's a pretty flexible tool and lets you build all sorts of funny bikes. One possible...
alex wetmore
alexphredorg
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Sep 21, 2007
11:34 pm

... Alex, I'm not sure there -- I was looking at this photo and tried to set up the same dimension: http://kogswell.com/images/59-700.png On my drawing the...
Jim Gourgoutis
jim.gourgoutis
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Sep 21, 2007
11:38 pm

... Yep. We measure from center-of-BB to TOP-of-S/T. And the S/T extension (S/T ext. above T/T in minor dimensions) is 35. So the S/T dimension (in primary...
Kogswell Cycles
kogswellreader
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Sep 22, 2007
10:23 am

... Right. ... I think the default value in BikeCad is 35mm. At least I think that's what I picked. ... I like knowing the overall length of the seat tube...
Jim Gourgoutis
jim.gourgoutis
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Sep 23, 2007
1:20 am

... Next time I render them, I'll do that. It took me four hours to do these and so I'm dis-incented to do them all again. ... Head 73º, seat 72º ... We...
Kogswell Cycles
kogswellreader
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Sep 18, 2007
6:48 pm
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