Show us your builds
#101
Junior Member
wow. I have so much respect for the framebuilders out there.
If any of you guys are in need of an apprentice and live in Los Angeles let me know!
hhaah
If any of you guys are in need of an apprentice and live in Los Angeles let me know!
hhaah
#102
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#103
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Guys have a question, after you guys have brazed, basically each brazing point needs to be put in some like ACID to clean all the impurities off the steel. Some people uses battery acid but doubt thats green at all, what you guys use**********?? There is something non toxic that can be used at home for example?
#104
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I use a special solution made up of two parts hydrogen to one part oxygen. It's generally thought to be benign to humans, but in very large quantities it has been linked to numerous human deaths, so caution is justified. I find it especially helpful to use the solution while it is in a relatively excited state, so if you can find a way to add energy to the compound, flux removal will be hastened.
If you're unable to find a source for the compound, hot tap water may work too.
HTH!
If you're unable to find a source for the compound, hot tap water may work too.
HTH!
#105
Senior Member
Join Date: Sep 2008
Location: Collegeville, PA
Posts: 1,350
Bikes: Ruckelshaus Randonneur, Specialized Allez (early 90's, steel), Ruckelshaus Path Bomber currently being built
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650b wheeled path bomber, sloping top tube, 73 parallel, 425mm stays.
#106
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Build sequence on Flickr
dec6.10 by stanridgespeed bicycles, on Flickr
dec6.8 by stanridgespeed bicycles, on Flickr
Hey guys im documenting a build for a client. the build starts at DEC3. Any questions? Dont hesitate to ask!
#108
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wow there's some beautiful stuff posted up on here,
here's my fledgling first effort
58cm square
Columbus Zona tubing
brazed with 55% silver rods using using a rothenberger superfire 2 MAPP torch
one coat rattle can black paint job
1 low res by adam.haycroft, on Flickr
2 low res by adam.haycroft, on Flickr
3 low res by adam.haycroft, on Flickr
4 low res by adam.haycroft, on Flickr
5 low res by adam.haycroft, on Flickr
here's my fledgling first effort
58cm square
Columbus Zona tubing
brazed with 55% silver rods using using a rothenberger superfire 2 MAPP torch
one coat rattle can black paint job
1 low res by adam.haycroft, on Flickr
2 low res by adam.haycroft, on Flickr
3 low res by adam.haycroft, on Flickr
4 low res by adam.haycroft, on Flickr
5 low res by adam.haycroft, on Flickr
#110
Senior Member
Join Date: Sep 2008
Location: Collegeville, PA
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Bikes: Ruckelshaus Randonneur, Specialized Allez (early 90's, steel), Ruckelshaus Path Bomber currently being built
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Man, my second build is turning out to be more error-filled than my first. Of course, I'm doing almost all of the work on my own, but still...
* Need to go back and re-braze 2 bottle bosses because of gaps
* Gap in the top of the seat lug needs to be filled
* Gaps in 2 places on the top head tube lug need to be filled
* Mis-measured when I cut the chainstays, bringing them in to 417mm instead of the originally designed 425mm. Still have clearance, but still.
* Fit the brake bridge with 132.5mm dummy axles in place (I have a jig that fits on the dummy axle to locate the bridge), when the spacing is going to be 135mm. So, it's either put the bridge 2mm or so higher up on the stays, or get another and re-do. Still gives me plenty of brake adjustment, but still...
* Hit one fork blade (1.1mm) with the file the wrong way, leaving a slight divot
* Used too-thin sheet steel (21ga, I think) for my semi-wrap seatstay caps, so they're slightly distorted.
* The double eyelet fork ends didn't fit in the blade raker, so I had to cut one off of each.
* The headtube cable stops kept the frame from fitting properly in my mentors home-built jig, so I had to cut them off.
On the plus side, this is going to be a pretty utilitarian frame for riding to the store and riding around the neighborhood with my kids, so none of these issues are really critical, but still, my first frame went so well that I had some pretty high hopes for number 2. Also, I'm really going to be the only person who's going to notice any of these issues, but still...
Pete
* Need to go back and re-braze 2 bottle bosses because of gaps
* Gap in the top of the seat lug needs to be filled
* Gaps in 2 places on the top head tube lug need to be filled
* Mis-measured when I cut the chainstays, bringing them in to 417mm instead of the originally designed 425mm. Still have clearance, but still.
* Fit the brake bridge with 132.5mm dummy axles in place (I have a jig that fits on the dummy axle to locate the bridge), when the spacing is going to be 135mm. So, it's either put the bridge 2mm or so higher up on the stays, or get another and re-do. Still gives me plenty of brake adjustment, but still...
* Hit one fork blade (1.1mm) with the file the wrong way, leaving a slight divot
* Used too-thin sheet steel (21ga, I think) for my semi-wrap seatstay caps, so they're slightly distorted.
* The double eyelet fork ends didn't fit in the blade raker, so I had to cut one off of each.
* The headtube cable stops kept the frame from fitting properly in my mentors home-built jig, so I had to cut them off.
On the plus side, this is going to be a pretty utilitarian frame for riding to the store and riding around the neighborhood with my kids, so none of these issues are really critical, but still, my first frame went so well that I had some pretty high hopes for number 2. Also, I'm really going to be the only person who's going to notice any of these issues, but still...
Pete
#111
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#112
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hey mud! Whats up bud. Don't get discouraged. Why did you drill a hole in the TT above? Heat escape? It may be easier if you drill it in the ST under the lug junction..save a bit of time ya know..
#113
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Join Date: Sep 2008
Location: Collegeville, PA
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Bikes: Ruckelshaus Randonneur, Specialized Allez (early 90's, steel), Ruckelshaus Path Bomber currently being built
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Yeah, it's a vent hole, I'll put a drop of silver on it once I get the cable stops on. Next time around I'll probably drill a small hole in the headtube where it intersects with the top tube, unless the seat tube is a better choice.
#114
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#116
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I’m still chuckling a bit from six jours comment,
I love this bike I think you should build a combined stem and aero handle bar for it,
What tube set is this?
Did you have to form the clearance cut-out for the back wheel in the seat tube or do the tubes come like that?
I love this bike I think you should build a combined stem and aero handle bar for it,
What tube set is this?
Did you have to form the clearance cut-out for the back wheel in the seat tube or do the tubes come like that?
#117
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Something a little different...my homebuilt FWD tadpole recumbent trike. On this prototype the front and rear frame sections made out of 4130 cromoly and the center part is aluminum. I did all the fabricating and machining including the internal differential.
Two powdercoats colors and some chrome as well. The next "production" trike will be all aluminum with selected areas for chroming and more!
Dave aka scbvideoboy
Two powdercoats colors and some chrome as well. The next "production" trike will be all aluminum with selected areas for chroming and more!
Dave aka scbvideoboy
#119
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The upper picture makes my brain hurt. And right in the middle of the most complex machine this side of the Large Hadron Collider sits a Super Record derailleur!
#120
Senior Member
Join Date: Sep 2008
Location: Collegeville, PA
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Wow, that's awesome. Almost awesome enough to make me consider riding a 'bent. Almost.
Finished frame 2 this week. It was a bit of an experiment in design, I wanted to build a 650b shopping/gravel path bike, but I also wanted to be able to run 700c wheels if I didn't like 650b. Geometry ended up at 73 parallel (though the seat tube looks slacker due to the sloping TT), 45mm rake for something like 56mm trail, 68mm BB drop (frame 1 was 75mm), and 417mm chainstays. They were supposed to be 425mm but I f*cked up. Anyway, pics with wheels and headset installed:
650x42mm:
700x28:
Of course, I'd need to use different brake calipers when I do the wheel swap, but I have the SRAM Apex calipers that came with my new group, and I bought a set of Tektro long reach for use with 650b.
I trimmed the seat tube, shaped the seat lug, and cut the slot over the weekend. I've got some minor cleanup to do with cloth and file, and then it's off to Fresh Frame for a coat of gunmetal grey metallic paint.
Complete album.
Pete
Finished frame 2 this week. It was a bit of an experiment in design, I wanted to build a 650b shopping/gravel path bike, but I also wanted to be able to run 700c wheels if I didn't like 650b. Geometry ended up at 73 parallel (though the seat tube looks slacker due to the sloping TT), 45mm rake for something like 56mm trail, 68mm BB drop (frame 1 was 75mm), and 417mm chainstays. They were supposed to be 425mm but I f*cked up. Anyway, pics with wheels and headset installed:
650x42mm:
700x28:
Of course, I'd need to use different brake calipers when I do the wheel swap, but I have the SRAM Apex calipers that came with my new group, and I bought a set of Tektro long reach for use with 650b.
I trimmed the seat tube, shaped the seat lug, and cut the slot over the weekend. I've got some minor cleanup to do with cloth and file, and then it's off to Fresh Frame for a coat of gunmetal grey metallic paint.
Complete album.
Pete
#121
weirdo
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Haha! I bet your brain doesn`t hurt as much as his did while he was trying to sort things out! I semi followed his build on BROL, so I know it was definitely a challenge.
Good job, SCV- I`m glad you finally get to reap the fruits of your efforts!
Good job, SCV- I`m glad you finally get to reap the fruits of your efforts!
#122
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that's a trick trike, scbvideoboy. does the rear wheel have suspension also? is there a sliding spline somewhere in that drive shaft to handle suspension movement? i couldn't spot it. nice work.
#123
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Thanks guys!
Is that a good thing?
The 7 sp freewheel is NOS so I used stuff lying around. The "NEW" trike will have a Shimano cassette freehub mounted on the diff. Looking forward to Dura Ace 8/9 sp setups!
Under the rubber boot next to freewheel, sliding ball coupler...similar to the inside of a inboard CV joint on a FWD car.
Dave aka Scbvideos
And right in the middle of the most complex machine this side of the Large Hadron Collider sits a Super Record derailleur!
The 7 sp freewheel is NOS so I used stuff lying around. The "NEW" trike will have a Shimano cassette freehub mounted on the diff. Looking forward to Dura Ace 8/9 sp setups!
is there a sliding spline somewhere in that drive shaft to handle suspension movement
Dave aka Scbvideos
#124
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Join Date: Jul 2009
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Bikes: 1986 KHS Fiero, 1989 Trek 950, 1990 Trek 7000, 1991 Gary Fisher Hoo Koo E Koo, 1992 Trek 1400, 1997 Cannondale CAD2 R300, 1998 Cannondale CAD2 R200, 2002 Marin San Rafael, 2006 Cannondale CAAD8 R1000, 2010 Performance Access XCL9R
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I use a special solution made up of two parts hydrogen to one part oxygen. It's generally thought to be benign to humans, but in very large quantities it has been linked to numerous human deaths, so caution is justified. I find it especially helpful to use the solution while it is in a relatively excited state, so if you can find a way to add energy to the compound, flux removal will be hastened.
If you're unable to find a source for the compound, hot tap water may work too.
HTH!
If you're unable to find a source for the compound, hot tap water may work too.
HTH!