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Thread: Built from scratch: 250R

  1. #31
    Join Date
    May 2013
    Location
    Brownsville, Tn.
    --
    1,271
    Nice Work!
    * 1978 ATC 90/180 Pauter PJ1 / Springer "Team BAPP" Bike *

    * 1980 ATC 110/180 "Danny's Machine Works" 3D Sprint Dune Bike *

    * Nicholson 500 Race Bike *

    * HPATC Yamaha RD350 "Big Moe" Trike *

  2. #32
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    @ onformula1: what part is that? A pice of a suspension? I will try that in one of the next projects.

  3. #33
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    Some more pics of the swingarm:

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  4. #34
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    The U profiles were closed to built stable boxes:

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    Cutting of the excenter on my milling machine, that was quite dangerous with this saw...

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    Here is the first test of the swingarm on the trike:

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    PS: the axle is from a 200X its a little bit underdimensioned but i bought it from ebay a few years ago so i had to use that thing...

    First time standing on his own tires secured by a rope... :

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  5. #35
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    Loizl in action:

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    Assembling of the nerfbars and the footpegs:

    The angle of rearfender is still to steep (subframe needed to be cutt)

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  6. #36
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    Test of the rearsuspension, now with both suspension mounts:

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    Its an upside down rearshock concept...

  7. #37
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    My engine had no intake so an aluminium one was milled:

    I am to poor to buy one...

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    Last edited by sticker_sääp; 08-25-2015 at 01:39 PM.

  8. #38
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    Improvising of the aluminum seatpan:

    It looks realy uggly as in this stage but be patient later it will come out great...

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  9. #39
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    Now the crazy beginns:

    Christmastime Engineeringtime...

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    During my studies i read a lot of books about two stroke tuning and i programmed an excelsheet that can calculate you cones of two stroke pipes.

    The formulas are based on the two stroke tuners handbook.

    Last christmas i had time to verify the theory...

    just one CAD screenshot as a teaser for tomorrow:

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    Last edited by sticker_sääp; 08-25-2015 at 01:58 PM.

  10. #40
    Join Date
    Aug 2015
    Location
    Northern Maine
    --
    17
    WOW! Your work is impressive! That will be an awesome machine when you are complete. It inspires me for when I retire from working 50 hr's per week! LOL

  11. #41
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    Thanks buddy

  12. #42
    Join Date
    Feb 2011
    Location
    Surprise, AZ
    --
    2,430
    Quote Originally Posted by sticker_sääp View Post
    @ onformula1: what part is that? A pice of a suspension? I will try that in one of the next projects.
    1983-1987 Honda 200X shock reservoir
    Email- onformula1@hotmail.com Rebuilt, Revalved, custom springs, lowering, forks & shocks, Custom Suspension, all brands, 2-3-4 wheeler's- PM or Email with questions.

    ***Check out my album for cool pictures*** http://www.3wheelerworld.com/album.php?albumid=2527

    As always- Everything I post is IMHO.

  13. #43
    Join Date
    Jan 2014
    Location
    Massachusetts USA
    --
    783
    Your work is amazing, thanks for sharing!
    1985 Tri-Z 250
    1985 ATC250R

  14. #44
    Join Date
    Feb 2011
    Location
    Surprise, AZ
    --
    2,430
    Who is Loizl to you, family, brother, friend?

    Who's shop is that? Is it at your home?

    Both of you are very talented!, keep up the great work.
    Email- onformula1@hotmail.com Rebuilt, Revalved, custom springs, lowering, forks & shocks, Custom Suspension, all brands, 2-3-4 wheeler's- PM or Email with questions.

    ***Check out my album for cool pictures*** http://www.3wheelerworld.com/album.php?albumid=2527

    As always- Everything I post is IMHO.

  15. #45
    Join Date
    Aug 2015
    Location
    Germany, Bavaria
    --
    98
    Loizl is my friend and neighbor. The shop is my shop, it is built into an old cow barn on my farm...

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