So what kept the Weigle entry out of first place at the '17 CdM? Poor paperwork.
#1
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So what kept the Weigle entry out of first place at the '17 CdM? Poor paperwork.
The steel frame bike took first place as lightest against all other materials: [URL=https://janheine.wordpress.com/2017/07/05/concours-de-machines-results/[/URL]
Last edited by hilltowner; 08-21-17 at 07:06 AM.
#3
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#4
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Seems to me the concours is also about innovation and the Weigle is a refinement of older ideas. I'd ride a bike like that in a heartbeat.
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They use a special French scale to weigh the bike. I don't believe the weight for a second. Call me a pessimist.
SON 412 gram front hub
Front and rear lights
Lugged steel frame
435 gram rims
333 gram tires
108 gram tubes
rack
fenders
steel stem
345 gram saddle
""Many observers were astonished by how little the bike weighed: 9.1 kg (20.0 lb) is remarkably light for a bike with full fenders, generator-powered lighting, rack, bell, pump, bottle cages and even a mudflap. The Weigle weighs exactly the same as the lightest carbon bike we’ve tested recently, the Open U.P., without fenders, racks or lights. How can a fully equipped steel bike be so light?""
Something doesn't add up for me. Maybe they have french adding machine.
SON 412 gram front hub
Front and rear lights
Lugged steel frame
435 gram rims
333 gram tires
108 gram tubes
rack
fenders
steel stem
345 gram saddle
""Many observers were astonished by how little the bike weighed: 9.1 kg (20.0 lb) is remarkably light for a bike with full fenders, generator-powered lighting, rack, bell, pump, bottle cages and even a mudflap. The Weigle weighs exactly the same as the lightest carbon bike we’ve tested recently, the Open U.P., without fenders, racks or lights. How can a fully equipped steel bike be so light?""
Something doesn't add up for me. Maybe they have french adding machine.
#6
Senior Member
The precision and accuracy needs of this context are well within what an old balance scale can provide. Unless the people operating the scale had absolutely no idea what they were doing, I don't see why the figures would be suspect.
All of the weights you listed add up to 5.5 pounds. Assuming the lights, rack, and stem were all stock Compass website stuff, that brings that list up to 7lbs. If we pretend the fenders are stock Honjo, then we're up to around 8lbs. Realistically those parts should add up to less than that, since many parts have been custom made or modified for reduced weight (through integration to reduce adjustment and mounting hardware, elimination of extreme derating, and some drillium).
So, that leaves >12lbs available for a steel road bike that's missing its saddle, its stem, and most of the pieces that make up the wheels. Which would be impressively light, but certainly possible.
SON 412 gram front hub
Front and rear lights
Lugged steel frame
435 gram rims
333 gram tires
108 gram tubes
rack
fenders
steel stem
345 gram saddle
Front and rear lights
Lugged steel frame
435 gram rims
333 gram tires
108 gram tubes
rack
fenders
steel stem
345 gram saddle
So, that leaves >12lbs available for a steel road bike that's missing its saddle, its stem, and most of the pieces that make up the wheels. Which would be impressively light, but certainly possible.
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it uses small tubes, so it is actually lighter weight than a lot of steel frames. I'm not sure how light you can get a steel fork. Maybe they lost because of the paperwork, the winner doesn't impress me at all. I think I'm using the same fork crown on my new frame, it's a brick. I know Peter machined it down a little, but I'm not sure how much weight you can really take off.
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If that bike is ride able in Jan size, then I tip my hat to them. Let me take that back, any bike can be ride able, but I wonder if that bike will be a long term keeper for Jan.
They also compared it to the Open U.P weight wise but that is a unfair comparison. I believe that Open U.P. builds a bike to cover a full range of riders' weight. I am sure a custom carbon built for the weight of the rider could bring the weight of the frame down. Argonaut bikes does this with their custom carbon. Let Argonaut build a similar bike and we may see less than 20 pounds.
None the less I am envious and would love to own a 20 pound wonder bike built by Peter Weigle.
They also compared it to the Open U.P weight wise but that is a unfair comparison. I believe that Open U.P. builds a bike to cover a full range of riders' weight. I am sure a custom carbon built for the weight of the rider could bring the weight of the frame down. Argonaut bikes does this with their custom carbon. Let Argonaut build a similar bike and we may see less than 20 pounds.
None the less I am envious and would love to own a 20 pound wonder bike built by Peter Weigle.
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Our goal was not to make a crazily-light machine that would last only one weekend, but to show what can be done with functional and durable components, if every part is optimized for light weight and performance. [...] When spec’ing the bike, we avoided anything that could compromise reliability or performance. And since this will be my own bike, I look forward to riding it for many years to come.
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we weren't talking about it any more for the last year and a half tho
you have an extra bracket on the blog link somehow https://janheine.wordpress.com/2017/...s-de-machines/
you have an extra bracket on the blog link somehow https://janheine.wordpress.com/2017/...s-de-machines/
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I have seen the bike and it is as good as it gets. I have a few pictures and will upload them when I get to my computer.
IMG_20181006_124125376_HDR by Bwilli88, on Flickr
IMG_20181006_123733561_HDR by Bwilli88, on Flickr
IMG_20181006_123746832_HDR by Bwilli88, on Flickr
That thing sure was pretty. He followed the KISS principle, nothing extra, nothing missing.
IMG_20181006_124125376_HDR by Bwilli88, on Flickr
IMG_20181006_123733561_HDR by Bwilli88, on Flickr
IMG_20181006_123746832_HDR by Bwilli88, on Flickr
That thing sure was pretty. He followed the KISS principle, nothing extra, nothing missing.
Last edited by bwilli88; 12-15-18 at 11:48 PM.
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JPW is definitely on my short list of people I would give money to build me a frame. If I had any.
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