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Habanero shows up curved stays
Ok my Habby shows up and beautiful Ti. I got the model with the curved stays as opposed to straight. I was surprised by the large curves in chain and seat stays. Looks great have not had a chance to ride it but any wizards out there give me the dope on curved vs straight stays in a Titanium frame. Or any other for that matter.
Deacon Mark |
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Habanero shows up curved stays
On 3/30/2017 9:31 AM, wrote:
Ok my Habby shows up and beautiful Ti. I got the model with the curved stays as opposed to straight. I was surprised by the large curves in chain and seat stays. Looks great have not had a chance to ride it but any wizards out there give me the dope on curved vs straight stays in a Titanium frame. Or any other for that matter. Deacon Mark Straight versus curved stays analysis: http://glamourdaze.com/2010/12/vinta...-hemlines.html -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#3
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Habanero shows up curved stays
I wonder if Pros would ever ride Ti again. Just say no to sponsors or insist on steel or Ti bikes
Deacon Mark |
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Habanero shows up curved stays
Ok my Habby shows up and beautiful Ti. I got the model with the curved
stays as opposed to straight. I was surprised by the large curves in chain and seat stays. Looks great have not had a chance to ride it but any wizards out there give me the dope on curved vs straight stays in a Titanium frame. Or any other for that matter. http://habcycles.com/difference.html |
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Habanero shows up curved stays
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#7
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Habanero shows up curved stays
On Thu, 30 Mar 2017 16:37:06 -0700, Joerg
wrote: On 2017-03-30 07:31, wrote: Ok my Habby shows up and beautiful Ti. I got the model with the curved stays as opposed to straight. I was surprised by the large curves ... Until here I thought ... ahem ... about something similar to what Andrew thought :-) in chain and seat stays. Looks great have not had a chance to ride it but any wizards out there give me the dope on curved vs straight stays in a Titanium frame. Or any other for that matter. I looked at Bertrand's link and began to wonder why they are so much more expensive than the Ti cyclocrossers from BikesDirect. Those are between about $1500 and $2000 depending on how they are equipped. One reason might be that Titanium, isn't just one material. There are a myriad of different alloys and grades. In addition some alloys and grades are difficult to manufacture which might preclude the use as thin wall tubes.. As an example, one supplier lists 11 different grades of Ti tubes that are commonly used for aerospace and sports. One might procure the cheapest alloy or the most expensive and label each of them, honestly, as Titanium. -- Cheers, John B. |
#8
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Habanero shows up curved stays
On 2017-03-30 23:37, John B. wrote:
On Thu, 30 Mar 2017 16:37:06 -0700, Joerg wrote: On 2017-03-30 07:31, wrote: Ok my Habby shows up and beautiful Ti. I got the model with the curved stays as opposed to straight. I was surprised by the large curves ... Until here I thought ... ahem ... about something similar to what Andrew thought :-) in chain and seat stays. Looks great have not had a chance to ride it but any wizards out there give me the dope on curved vs straight stays in a Titanium frame. Or any other for that matter. I looked at Bertrand's link and began to wonder why they are so much more expensive than the Ti cyclocrossers from BikesDirect. Those are between about $1500 and $2000 depending on how they are equipped. One reason might be that Titanium, isn't just one material. There are a myriad of different alloys and grades. In addition some alloys and grades are difficult to manufacture which might preclude the use as thin wall tubes.. As an example, one supplier lists 11 different grades of Ti tubes that are commonly used for aerospace and sports. One might procure the cheapest alloy or the most expensive and label each of them, honestly, as Titanium. Certainly true but my MTB buddy has a Titanium HT from BikesDirect that he beat the snot out of. That thing is indestructible. So their Titanium seems to be among the good stuff. Which doesn't surprise me because cheating there would very quickly destroy a reputation and then the business. -- Regards, Joerg http://www.analogconsultants.com/ |
#9
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Habanero shows up curved stays
On Fri, 31 Mar 2017 07:51:25 -0700, Joerg
wrote: On 2017-03-30 23:37, John B. wrote: On Thu, 30 Mar 2017 16:37:06 -0700, Joerg wrote: On 2017-03-30 07:31, wrote: Ok my Habby shows up and beautiful Ti. I got the model with the curved stays as opposed to straight. I was surprised by the large curves ... Until here I thought ... ahem ... about something similar to what Andrew thought :-) in chain and seat stays. Looks great have not had a chance to ride it but any wizards out there give me the dope on curved vs straight stays in a Titanium frame. Or any other for that matter. I looked at Bertrand's link and began to wonder why they are so much more expensive than the Ti cyclocrossers from BikesDirect. Those are between about $1500 and $2000 depending on how they are equipped. One reason might be that Titanium, isn't just one material. There are a myriad of different alloys and grades. In addition some alloys and grades are difficult to manufacture which might preclude the use as thin wall tubes.. As an example, one supplier lists 11 different grades of Ti tubes that are commonly used for aerospace and sports. One might procure the cheapest alloy or the most expensive and label each of them, honestly, as Titanium. Certainly true but my MTB buddy has a Titanium HT from BikesDirect that he beat the snot out of. That thing is indestructible. So their Titanium seems to be among the good stuff. Which doesn't surprise me because cheating there would very quickly destroy a reputation and then the business. The chief issue is whether the welding process is done correctly. If the weld is contaminated, it is more likely to fail. And like other materials, stress risers in the design must be avoided. My friend Doug has been riding a Teledyne Titan for more than 20 years. It finally cracked last summer where the downtube was swaged down to allow for the use of a derailleur lever clamp designs for non-OS steel frames. Darn shame, it was his favorite bike. The Teledyne was, IIRC, made from commercially pure titanium so that may be a factor- perhaps less fracture resistance than some of the other Ti alloys in use? |
#10
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Habanero shows up curved stays
On Friday, March 31, 2017 at 10:43:07 AM UTC-7, Tim McNamara wrote:
On Fri, 31 Mar 2017 07:51:25 -0700, Joerg wrote: On 2017-03-30 23:37, John B. wrote: On Thu, 30 Mar 2017 16:37:06 -0700, Joerg wrote: On 2017-03-30 07:31, wrote: Ok my Habby shows up and beautiful Ti. I got the model with the curved stays as opposed to straight. I was surprised by the large curves ... Until here I thought ... ahem ... about something similar to what Andrew thought :-) in chain and seat stays. Looks great have not had a chance to ride it but any wizards out there give me the dope on curved vs straight stays in a Titanium frame. Or any other for that matter. I looked at Bertrand's link and began to wonder why they are so much more expensive than the Ti cyclocrossers from BikesDirect. Those are between about $1500 and $2000 depending on how they are equipped. One reason might be that Titanium, isn't just one material. There are a myriad of different alloys and grades. In addition some alloys and grades are difficult to manufacture which might preclude the use as thin wall tubes.. As an example, one supplier lists 11 different grades of Ti tubes that are commonly used for aerospace and sports. One might procure the cheapest alloy or the most expensive and label each of them, honestly, as Titanium. Certainly true but my MTB buddy has a Titanium HT from BikesDirect that he beat the snot out of. That thing is indestructible. So their Titanium seems to be among the good stuff. Which doesn't surprise me because cheating there would very quickly destroy a reputation and then the business. The chief issue is whether the welding process is done correctly. If the weld is contaminated, it is more likely to fail. And like other materials, stress risers in the design must be avoided. My friend Doug has been riding a Teledyne Titan for more than 20 years. It finally cracked last summer where the downtube was swaged down to allow for the use of a derailleur lever clamp designs for non-OS steel frames. Darn shame, it was his favorite bike. The Teledyne was, IIRC, made from commercially pure titanium so that may be a factor- perhaps less fracture resistance than some of the other Ti alloys in use? Gads, he must have bought it used because they went out of production in '76. The thing is at least 40 years old. Not bad service. You know, that indent for a clamp-on BB cable guide is so stupid because they could have routed the cable under the BB with a little snap-in or screw on guide. I assume it's O.K. to drill a 2-3mm hole in the BB. I would have specially manufactured a super-light clamp-on DT lever boss. Forming the tubes to accommodate standard clamps seems like an odd solution for a super high-tec bike. Plus chrome cable guides look stupid against that matte finish. Pffff. The sure didn't know fashion back then. -- Jay Beattie. |
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