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  1. #126
    Senior Member scbvideoboy's Avatar
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    Ahh yes, I love my shiny beautifully machined Campagnolo stuff. I have a vintage Lemond frame I want to do up in original Athena. Some day...

  2. #127
    Senior Member
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    Quote Originally Posted by zjrog View Post
    Yes, DihydrogenMonoxide... Use carefully.
    Agreed! It can be nasty stuff! I mean, it's the reason for 100% of tsunamis, for heaven's sake! It was also responsible for the sinking of the Titanic, and it regularly causes rivers to flood! Used wrongly, Dihydrogen Monoxide can kill!

  3. #128
    Senior Member mudboy's Avatar
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    Ruckelshaus Randonneur, Specialized Allez (early 90's, steel), Ruckelshaus Path Bomber currently being built
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    Here are some from #2, which I just got back from the painter yesterday, and built/test rode today. It's a 650b wheeled, SRAM Apex'd commuter/shopper/path bomber:





    And the completed bike, a 650b wheeled commuter/shopper/path bomber:







    Builder and built:



    The entire album.
    --~--~--~--~--~--~--~--~--~--~--~--~--~--~--~--~--
    Ruckelshaus Randonneur Ruckelshaus Path Bomber
    Flickr Photostream
    FrameBuilderSource.com Framebuilder Database

  4. #129
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    My first build. Nova OS tubes, stamped lugs, MAPP gas, touring geometry, rattle can paint. 6 miles and counting...



    I got a lot of great info from this group. Thanks to all.
    Last edited by guywithchickens; 04-22-11 at 03:46 AM. Reason: Fixed image link

  5. #130
    Senior Member mudboy's Avatar
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    Wow, for what I would call a true budget build, that looks amazing! Nice work! Did you use a jig, or did you freespace it?

    Pete
    --~--~--~--~--~--~--~--~--~--~--~--~--~--~--~--~--
    Ruckelshaus Randonneur Ruckelshaus Path Bomber
    Flickr Photostream
    FrameBuilderSource.com Framebuilder Database

  6. #131
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    Quote Originally Posted by mudboy View Post
    Wow, for what I would call a true budget build, that looks amazing! Nice work! Did you use a jig, or did you freespace it?

    Pete
    I used the jig ideas from Talbot's book. Worked out pretty well. The downside of a first frame is that it took about 5 months of on-and-off work...lots of thinking and measuring. I think a second frame would go much faster.

  7. #132
    Senior Member mudboy's Avatar
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    Quote Originally Posted by guywithchickens View Post
    I used the jig ideas from Talbot's book. Worked out pretty well. The downside of a first frame is that it took about 5 months of on-and-off work...lots of thinking and measuring. I think a second frame would go much faster.
    I just finished my second (see above). It does go much faster.
    --~--~--~--~--~--~--~--~--~--~--~--~--~--~--~--~--
    Ruckelshaus Randonneur Ruckelshaus Path Bomber
    Flickr Photostream
    FrameBuilderSource.com Framebuilder Database

  8. #133
    weirdo
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    That`s great, Chickens! Yeah, mine (only one so far) took me about six months too. As long as it gets done...

  9. #134
    Junior Member
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    Giant ATX 1.75, Ares Ashura, bamboo cruiser
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    Okay here goes.


  10. #135
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    I've been thinking about building a lightweight rando frame for use with the Rohloff Speedhub, and finally got around to it. Deda 8/5/8 with Everest lugs, Paragon sliders, and the Imperial oval fork blades and crown Jan Heine/Compass Cycles is selling.

  11. #136
    Junior Member Lurknasty's Avatar
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    An old alpine mirage that i coverted into a fixie. Did everything myself welded the brake mounts closed aswell as the bottle holder and cable mounts. I grinded of the derailer mount and the fender mounts. And i recently wrecked it goin down hill into a stump and it bent the steerer top and bottom tube to give it that track geometry i always wanted. The b43's didnt even get a scratch but she pulls to the left. So gettin that track frame soon sunnn.





    Sorry for the crappy iphone pics was in a hurry

  12. #137
    Bicycle Repair Man !!! Sixty Fiver's Avatar
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    A little project I have been working on for some time but am just about ready for powdercoat... refitted my 1973 Phillip's 20 with rear stays and a fork taken from a Nishiki International which had a broken main tube and down tube. Stays and fork were of excellent quality with Suntour / Tange dropouts and as they came off a touring bike were just what I wanted for my separable touring bike.

    Work was all free hand brazing and joining the old stays and new ones was accomplished by using chromoly sleeves / pins and the ends of the original chain and seat stays.

    Added a few inches in the rear which will allow for better heel clearance and built up the fork with suspension correction in case I decide to go that route in the future and reduced the trail from the stock fork.

    Increased the bb and pedal clearance which is an issue on 20's, especially when you run 175mm cranks and the bike should be a nice shade of British racing green after a little more clean up, detailing, and after I build custom racks.

    Have been in test ride mode to ensure that the geometry is just right as I do not want to make any fork alterations after the powdercoating and figure I nailed it... the bike tracks and corners like it is on rails and is very stiff.

    Looking pretty raw here and there is a little more work to be done... a few folks have said I should just clear coat the bike.
    Attached Images Attached Images

  13. #138
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    Finally done! www.flickr.com/photos/timdude
    Attached Images Attached Images

  14. #139
    Decrepit Member Scooper's Avatar
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    Quote Originally Posted by timdude View Post
    ...and well done! It looks great.
    - Stan

  15. #140
    Junior Member
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    Custom Built Carbon TT "Sort of Funny" Bike

    Just finished my first ever frame build...and I now have IMMENSE respect of those that do this for a living. This was a very difficult process and the level of thought and attention to detail that went into constructing this frame was almost beyond description. I'll post some details of how I built it in the next few weeks, as well as some feedback on how it rides....as I plan to start riding it this week.

    The bike is a 700c Rear and 650c front in order to help lower the front end and get me in a better aero position...plus the frontal area is reduced. The old 24" funny bikes just looked....well....funny so I didn't go that route.

    The frame consists of high modulus carbon tubes which were mitered and bonded and then the joints were wrapped with carbon strips. The rear end is a Deda Firebox (customized to mount to BB30) and the fork is an Advanced Composites Aero unit with an aluminum steerer. The bare frame before paint and cable guides, etc. weighed in at just over 2 pounds and just under 3 pounds when I started bolting parts on it. The bike as pictured weighs 16.8 pounds...only pedals missing.

    [IMG][/IMG]
    Last edited by mattradaz; 08-01-11 at 01:33 PM. Reason: Typo

  16. #141
    Cisalpinist Italuminium's Avatar
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    Quote Originally Posted by mattradaz View Post
    The frame consists of high modulus carbon tubes which were mitered and bonded and then the joints were wrapped with carbon strips. The rear end is a Deda Firebox (customized to mount to BB30) and the fork is an Advanced Composites Aero unit with an aluminum steerer. The bare frame before paint and cable guides, etc. weighed in at just over 2 pounds and just under 3 pounds when I started bolting parts on it. The bike as pictured weighs 16.8 pounds...only pedals missing.

    [[/IMG]
    Hey mattradaz, that's a great looking bike. What kind of tubes did you use for the tt, the st and dt? Were they custom wrapped or off the shelve? And how did you decide what the wall thickness should be? I'm in the middle of designing my first carbon bike, and still stumped by these questions. The only thing I have found are notations of the number of plies, yet no mention how thick the tubes end up to be. And I found some guidance in the bike tubes of rock west composites, but it would be a pain for me to import their set due to customs etc. Thanks in advance! Btw great idea to use an of shelve deda unit for the rear end.
    Pass the Dutchie on the non-drive side.
    Rather a 100$ bike with 1000$ wheels than a 1000$ bike with 100$ wheels.

  17. #142
    Junior Member
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    Italuminum,

    I had many issues to work through as well...and I did end up using off the shelf tubes from Rock West Composites. All my notes are at my shop (so is the bike) but I'm certain I used the same size tube for the top/seat tubes (1.4 OD?) and used a bit larger tube (1.625 OD) for the downtube. I just used the standard .065" thickness tubes. I had some tell me to use a thinner tube, but for the minimal difference in weight and the added safety factor of the thicker tubing, I thought it was the way to go.

    My biggest issue was getting the geometry correct with the 650c front wheel "curve ball" thrown in. It looks right....but I'll see how she handles when I ride it for the first time tomorrow.

    Here's a few more pics...




  18. #143
    Cisalpinist Italuminium's Avatar
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    Quote Originally Posted by mattradaz View Post
    Italuminum,

    I had many issues to work through as well...and I did end up using off the shelf tubes from Rock West Composites. All my notes are at my shop (so is the bike) but I'm certain I used the same size tube for the top/seat tubes (1.4 OD?) and used a bit larger tube (1.625 OD) for the downtube. I just used the standard .065" thickness tubes. I had some tell me to use a thinner tube, but for the minimal difference in weight and the added safety factor of the thicker tubing, I thought it was the way to go
    Here's a few more pics...

    That's great! Thanks for sharing. I foind a carbon supplier that has the tubing I need, finally (only then in metric sizes, but that 1/10 pf a mm won't make much of a difference...). How's the steering with that 650 b wheel?
    Pass the Dutchie on the non-drive side.
    Rather a 100$ bike with 1000$ wheels than a 1000$ bike with 100$ wheels.

  19. #144
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    Thanks! it was a joy to build can't wait for the next one.

    Quote Originally Posted by Scooper View Post
    ...and well done! It looks great.

  20. #145
    Senior Member kingfish254's Avatar
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    What do you get when a Dahon folder gets drunk with a couple of OCC StingRays?
    A Folding Pugsley (Fugsley)!!! http://www.ratrodbikes.com/forum/vie...p?f=21&t=44315




    Hopefully welding will start this weekend!

    Virtual Mockup


    Actual Mockup


    Old and new wheels. 16x1.5 versus 20x4!!!!

    May the Fold be with you

    48 Rudge Whitworth Sports - 59 Schwinn Panther II - 68 26" Columbia Roadster - 79 Schwinn Spitfire 5
    68 16" Graziella Tandem Folder - 73 Raleigh Twenty Folder - 89 16" Dahon Stainless Classic III Folder - 05 20" Dahon Jetstream P8 Full Suspension Folder - Dahon Mu XL Sport
    - plus various bikes to flip

  21. #146
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    How in the world do you begin researching/learning about how to build bikes from a pile of lugs and pipe?

  22. #147
    Bicycle Repair Man !!! Sixty Fiver's Avatar
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    Quote Originally Posted by GrantH View Post
    How in the world do you begin researching/learning about how to build bikes from a pile of lugs and pipe?
    I have spent countless hours working on all kinds of bicycles, have done exhaustive research on construction methods and design, and just finished a two year apprenticeship with a master frame builder.

    The actual brazing is the easy part and I figured that out in short order... anyone can weld but not anyone understands the dynamics of geometry and frame materials.

  23. #148
    Decrepit Member Scooper's Avatar
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    Quote Originally Posted by GrantH View Post
    How in the world do you begin researching/learning about how to build bikes from a pile of lugs and pipe?
    Start HERE to get some idea of what you'd be getting into.
    - Stan

  24. #149
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    Quote Originally Posted by Nessism View Post






    Can you tell me what color of red this is.

    Thanks

  25. #150
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    All steel twin down tube road bike. The seat and top tubes are 35mm, 37mm head tube, and 19mm downtubes mitred and welded directly to the head tube.
    twin turbo.jpg

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