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#1
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Info Wanted on Old Vintage Weinmann Rim
Looking for info on this old Rim. It is a Weinmann 27" x 1 1/4 " 36 hole NOS made in Belgium. drilled for a schrader stem. may have been manufactured in 1976 (stamp inside the rim 7 76). The rim is Single wall and real thick. Has an embossed brake surface I remember seeing on my old Rigida rims on my old Peugeot. http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Anyone with history of this old rim chime in . Thanks |
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#2
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Info Wanted on Old Vintage Weinmann Rim
Fritz who? wrote:
Looking for info on this old Rim. It is a Weinmann 27" x 1 1/4 " 36 hole NOS made in Belgium. drilled for a Schrader stem. may have been manufactured in 1976 (stamp inside the rim 7 76). The rim is Single wall and real thick. Has an embossed brake surface I remember seeing on my old Rigida rims on my old Peugeot. http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. The brake track texturing may have been added to improve wet braking, which it won't do, but the big advantage is that it won't squeal until the high points have been worn off, even before the texture is gone. Therefore, it's a useless feature except for a demonstration ride on a bicycle for sale. Anyone with history of this old rim chime in . I'm sorry, Ive not seen one of these, especially because at that time I and all my associates rode tubulars. Jobst Brandt |
#3
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Info Wanted on Old Vintage Weinmann Rim
Jobst Brandt wrote:
Fritz wrote: http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. *The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. I have some Araya 20" rims that feature spoke sockets like these. I can't tell from the picture of the Weinmann rim, but my Arayas have eyeball-like orientation built into each socket, so that each hole is not only specific to one hub flange or the other, but also specific to a leading or trailing spoke. They would not be ideal for radial or crow's foot lacing. Chalo |
#4
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Info Wanted on Old Vintage Weinmann Rim
On Nov 8, 4:00 pm, wrote:
Fritz who? wrote: "Fritz who"? Who cares, Jobst? The guy is asking a question about a rim, not applying for a mortgage, car loan or a credit card. Who cares about his full name, etc? Looking for info on this old Rim. It is a Weinmann 27" x 1 1/4 " 36 hole NOS made in Belgium. drilled for a Schrader stem. may have been manufactured in 1976 (stamp inside the rim 7 76). The rim is Single wall and real thick. Has an embossed brake surface I remember seeing on my old Rigida rims on my old Peugeot. http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. The brake track texturing may have been added to improve wet braking, which it won't do, but the big advantage is that it won't squeal until the high points have been worn off, even before the texture is gone. Therefore, it's a useless feature except for a demonstration ride on a bicycle for sale. Anyone with history of this old rim chime in . I'm sorry, Ive not seen one of these, especially because at that time I and all my associates rode tubulars. Fritz was asking for "anyone with a history of this old rim" to "chime in". You had no such history, but chimed in anyway. Typical..... |
#5
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Info Wanted on Old Vintage Weinmann Rim
Chalo Colina wrote:
http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. Â*The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. I have some Araya 20" rims that feature spoke sockets like these. I can't tell from the picture of the Weinmann rim, but my Arayas have eyeball-like orientation built into each socket, so that each hole is not only specific to one hub flange or the other, but also specific to a leading or trailing spoke. They would not be ideal for radial or crow's foot lacing. Nice to know that some rim manufacturers recognize the problem and offer a solution. Just plugging an eyelet into a double walled (hollow) rim doesn't do the job of spoke support as well as sockets or formed spherical dimples. Jobst Brandt |
#6
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Info Wanted on Old Vintage Weinmann Rim
On Sat, 08 Nov 2008 14:37:30 -0800, Ozark Bicycle wrote:
On Nov 8, 4:00 pm, wrote: Fritz who? wrote: "Fritz who"? Who cares, Jobst? The guy is asking a question about a rim, not applying for a mortgage, car loan or a credit card. Who cares about his full name, etc? jobst cares because it's the mechanism by which he tries to sucker people into a johnson measuring contest and avoid criticism for his mistakes. without constantly quoting his alma mater, he'd not have any credibility with the otherwise unable-to-know-if-they're-being-bamboozled proles. Looking for info on this old Rim. It is a Weinmann 27" x 1 1/4 " 36 hole NOS made in Belgium. drilled for a Schrader stem. may have been manufactured in 1976 (stamp inside the rim 7 76). The rim is Single wall and real thick. Has an embossed brake surface I remember seeing on my old Rigida rims on my old Peugeot. http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. The brake track texturing may have been added to improve wet braking, which it won't do, but the big advantage is that it won't squeal until the high points have been worn off, even before the texture is gone. Therefore, it's a useless feature except for a demonstration ride on a bicycle for sale. Anyone with history of this old rim chime in . I'm sorry, Ive not seen one of these, especially because at that time I and all my associates rode tubulars. Fritz was asking for "anyone with a history of this old rim" to "chime in". You had no such history, but chimed in anyway. Typical..... |
#7
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Info Wanted on Old Vintage Weinmann Rim
On Sat, 08 Nov 2008 22:46:26 +0000, jobst.brandt wrote:
Chalo Colina wrote: http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. Â*The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. I have some Araya 20" rims that feature spoke sockets like these. I can't tell from the picture of the Weinmann rim, but my Arayas have eyeball-like orientation built into each socket, so that each hole is not only specific to one hub flange or the other, but also specific to a leading or trailing spoke. They would not be ideal for radial or crow's foot lacing. Nice to know that some rim manufacturers recognize the problem and offer a solution. Just plugging an eyelet into a double walled (hollow) rim doesn't do the job of spoke support as well as sockets or formed spherical dimples. er, so the thinner metal that results from a pressing like this can bear more load than the thicker metal from which it originated? i bet boeing would love to hear about your discovery there jobst - you could save them a fortune!!! so would all other rim manufacturers come to that. it's quite incredible that for so many decades, they couldn't have overlooked all that stupid book learning stuff and have adopted the practices used in thick cheap crap and used them across their whole product ranges. jobst brandt - alternative perspective, aerospace and materials consultant extraordinaire and global industrial leadership. |
#8
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Info Wanted on Old Vintage Weinmann Rim
On Nov 8, 4:51 pm, jim beam wrote:
On Sat, 08 Nov 2008 14:37:30 -0800, Ozark Bicycle wrote: On Nov 8, 4:00 pm, wrote: Fritz who? wrote: "Fritz who"? Who cares, Jobst? The guy is asking a question about a rim, not applying for a mortgage, car loan or a credit card. Who cares about his full name, etc? jobst cares because it's the mechanism by which he tries to sucker people into a johnson measuring contest and avoid criticism for his mistakes. without constantly quoting his alma mater, he'd not have any credibility with the otherwise unable-to-know-if-they're-being-bamboozled proles. Heaven forfend his posts were ever judged solely on their merits! If you didn't know he was Jobst "the Great and Mighty" Brandt, you might think he was just some self-inflating, self-promoting blowhard. |
#9
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Info Wanted on Old Vintage Weinmann Rim
On Nov 8, 5:07 pm, jim beam wrote:
On Sat, 08 Nov 2008 22:46:26 +0000, jobst.brandt wrote: Chalo Colina wrote: http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. I have some Araya 20" rims that feature spoke sockets like these. I can't tell from the picture of the Weinmann rim, but my Arayas have eyeball-like orientation built into each socket, so that each hole is not only specific to one hub flange or the other, but also specific to a leading or trailing spoke. They would not be ideal for radial or crow's foot lacing. Nice to know that some rim manufacturers recognize the problem and offer a solution. Just plugging an eyelet into a double walled (hollow) rim doesn't do the job of spoke support as well as sockets or formed spherical dimples. er, so the thinner metal that results from a pressing like this can bear more load than the thicker metal from which it originated? i bet boeing would love to hear about your discovery there jobst - you could save them a fortune!!! so would all other rim manufacturers come to that. it's quite incredible that for so many decades, they couldn't have overlooked all that stupid book learning stuff and have adopted the practices used in thick cheap crap and used them across their whole product ranges. LOL!!! jobst brandt - alternative perspective, aerospace and materials consultant extraordinaire and global industrial leadership. He is awesome - just ask him! |
#10
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Info Wanted on Old Vintage Weinmann Rim
On Sat, 08 Nov 2008 15:31:32 -0800, Ozark Bicycle wrote:
On Nov 8, 5:07 pm, jim beam wrote: On Sat, 08 Nov 2008 22:46:26 +0000, jobst.brandt wrote: Chalo Colina wrote: http://tinyurl.com/5acbaj http://tinyurl.com/6dtp9h Insterding, so to speak. The swaged spoke sockets effectively avoid need for steel socket inserts or even eyelets but the straight side walls instead of hooked bead is too bad because it will not retain high pressures, but otherwise this rim looks durable. I have some Araya 20" rims that feature spoke sockets like these. I can't tell from the picture of the Weinmann rim, but my Arayas have eyeball-like orientation built into each socket, so that each hole is not only specific to one hub flange or the other, but also specific to a leading or trailing spoke. They would not be ideal for radial or crow's foot lacing. Nice to know that some rim manufacturers recognize the problem and offer a solution. Just plugging an eyelet into a double walled (hollow) rim doesn't do the job of spoke support as well as sockets or formed spherical dimples. er, so the thinner metal that results from a pressing like this can bear more load than the thicker metal from which it originated? i bet boeing would love to hear about your discovery there jobst - you could save them a fortune!!! so would all other rim manufacturers come to that. it's quite incredible that for so many decades, they couldn't have overlooked all that stupid book learning stuff and have adopted the practices used in thick cheap crap and used them across their whole product ranges. LOL!!! jobst brandt - alternative perspective, aerospace and materials consultant extraordinaire and global industrial leadership. He is awesome - just ask him! the emperor. |
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