We'll see where this goes... two briggs bikes....NOW DONE!

Discussion in 'GAS POWERED BIKES' started by Cleatus_Fathom, Feb 13, 2012.

  1. Cleatus_Fathom

    Cleatus_Fathom

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    Here she is all finished. Please read on if you want to read the process.
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    Started building this awhile ago. I don't really have much of a plan yet, but its starting to come together.

    Started with a brand new schwinn on sale from target.
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    Grinder and welder. About to make the first cut. The fork is a girvin from a proflex mtb. The elastomer spring was shat so I just reworked it a bit.
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    First cuts have been made.
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    My buddy (I'll call him Mr. French) is also working on his own briggs bike.
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    Mr. French's bikes is coming along nicely.
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  2. Chips_Mahoy

    Chips_Mahoy Pro Member

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    Re: We'll see where this goes... two briggs bikes

    This should be in the calendar w/ "BUILT......not bought" on it!

     
  3. KJV

    KJV

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    Re: We'll see where this goes... two briggs bikes

    yeah, along with a picture of the one leg man.
    who didn't think about cluch,&
    chain drive line position.
     
  4. Chips_Mahoy

    Chips_Mahoy Pro Member

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    Re: We'll see where this goes... two briggs bikes

    I won't tell if you wont..... :wink:
     
  5. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    I did have an initial plan but I have since deviated a bunch. Here is one of the first drawings I did of the bike. The current build will have a different drive-line since I wont be putting pedals or a crank on. Instead sealed bearings will be installed in the bottom bracket. This is where the jack shaft will then go to drive the rear wheel from the right side.


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  6. KJV

    KJV

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    Re: We'll see where this goes... two briggs bikes

    glad to see that.
    with pedals, it could have been tragic.
    watching this build.
    how many h.p. ?
     
  7. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    Lets see. 49.9cc = 5hp :wink:
     
  8. Lugisland

    Lugisland

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    Re: We'll see where this goes... two briggs bikes


    LOL! Ya gotta keep it legal! :wink:
     
  9. KJV

    KJV

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    Re: We'll see where this goes... two briggs bikes

    a non pedal power..
    trew that "law" out of court. :p :wink: :arrow:
    gotta catch first.DIG-IT.
     
  10. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    Update:
    Got the motor mounts welded on to my bike and the V brake bosses welded to Mr. French's bike. Not really able to do anything else until the parts come in for the jackshaft.
     
  11. isaiah3g

    isaiah3g

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    Re: We'll see where this goes... two briggs bikes

    Sweet! Lookin pretty good!
     
  12. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    Finally found some time to work on the bike a little more. I got the engine mounts completely mounted now. Also got the jackshaft and sprockets installed. All I have to do now is decide on how I want to do the tank. Not sure if i want just add some small cylinder for a tank and leave the frame as is or add a cross bar and make a more traditional tank. What do you all think?

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    Cross bar...yes or no?
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  13. KJV

    KJV

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    Re: We'll see where this goes... two briggs bikes

    crossbar. :mrgreen:
     
  14. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    Decided to add the crossbar. Ended up getting the rear sprocket done too. Lastly decided on a paint scheme, brown primer frame, white seat/grips, polished aluminum motor/forks.

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    How to make a coaster brake hub into a fixie...weld.
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  15. curtisfox

    curtisfox

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  16. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    That is a clever way to add pedals/cranks, however I'm not planning on having any pedals at all.
     
  17. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    Started on the tank today and finished the brake caliper mounting bracket.

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  18. Beau

    Beau

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    Re: We'll see where this goes... two briggs bikes

    Before you go any further, you need to do some research abut rake and trail.

    That headtube angle isn't going to work, man.
     
  19. Cleatus_Fathom

    Cleatus_Fathom

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    Re: We'll see where this goes... two briggs bikes

    Yeah, I know about all that...I was just hoping it wasn't going to be an issue at the lower speeds. However, after reading your concerns I decided to take the bike down a hill to see how she handled, and well it did indeed handle like .... like you said. So thanks for motivating me to try it out before I went too far. I have since changed the head tube angle to allow for positive trail.

    I ended up doing a ...... job of documenting my progress, as the bike is all done now. My buddy Mr. French has abandoned his project unfortunately. Now onto some finished pics...thats the best part anyway.

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  20. Louis

    Louis

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    The build turned out great! Bike looks sweet. How does the bike ride in the end? Top speed? I would love to see some close-ups of your drivetrain :D
     

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