Old type of 2 stroke

Discussion in 'Motorized Bicycle General Discussion' started by mxcycle, Jul 5, 2011.

  1. mxcycle

    mxcycle New Member

    Joined:
    Jul 5, 2011
    Messages:
    5
    Likes Received:
    0
    Hi all,
    Hope someone can help me out,,, I have an old :confused: bicycle motor add on kit, I don't think its anywhere near complete. The really odd thing is that it IS a 2 stroke, but it also has a single intake valve in the barrel, (like an old flathead Ford motor). The Exhaust is a dual port kind of set-up, has a U-shaped manifold that bolts on each side of the barrel. If anyone could shed some light on this for me,, would be great.
    I'm guessing this was made in the USA, all the fastners are fractinal, not metric.
    This set-up is the kind that bolts onto the front fork, and the drive wheel sits down on the front tire.
    Can contact me at [email protected]
     
    #1 mxcycle, Jul 5, 2011
    Last edited: Jul 5, 2011
  2. nidyanazo

    nidyanazo New Member

    Joined:
    May 25, 2010
    Messages:
    316
    Likes Received:
    0
    Photos will be needed to verify. I'm sure some members will be able to identify you're engine. Post pictures!

    Welcome to the forum, I'm interested to see the motor...
     
  3. MotorBicycleRacing

    MotorBicycleRacing Well-Known Member

    Joined:
    Jul 28, 2010
    Messages:
    5,689
    Likes Received:
    30
    Sounds interesting.
    If you post a pic or maybe give more details............

    How did your motor mount on a bike? What kind of drive system?
    Any words on it?
     
  4. mxcycle

    mxcycle New Member

    Joined:
    Jul 5, 2011
    Messages:
    5
    Likes Received:
    0
    #4 mxcycle, Jul 7, 2011
    Last edited: Jul 7, 2011
  5. GearNut

    GearNut Active Member

    Joined:
    Aug 19, 2009
    Messages:
    5,105
    Likes Received:
    1
    That engine looks awesome! And judging by the single valve, I dare suggest that it may be a 2-stroke diesel?
     
  6. mxcycle

    mxcycle New Member

    Joined:
    Jul 5, 2011
    Messages:
    5
    Likes Received:
    0
    No, it's not a diesel, it has a carb and a spark plug, but thanks for the guess...
     
  7. Greybeard

    Greybeard New Member

    Joined:
    Feb 8, 2011
    Messages:
    336
    Likes Received:
    0
    Very interesting piece.
    My take: The valve is on the opposite side of the crankcase from the carb. I'd think that it is more apt to be either a compression relief or part of a governor system. The intake appears to go directly into the crankcase, perhaps a reed or even rotory valve. If I see the pics correctly there is another port below the exhaust for the intake. Very cool with the gearbox and all.
    I'd treasure it.
     
  8. Fulltimer

    Fulltimer New Member

    Joined:
    Aug 13, 2010
    Messages:
    1,322
    Likes Received:
    0
    By all means it is interesting! Once everything is figured out and you get her running....VIDEO TIME!

    Terry
     
  9. MarkSumpter

    MarkSumpter New Member

    Joined:
    Nov 27, 2010
    Messages:
    474
    Likes Received:
    0
    I'm not positive but that looks like a McHenery engine from the 1930/40s. I have only seen a couple of them and never with the head off years ago...

    Go to SmokStak Forums and open an account to post the images. I'm sure someone there will be able tp pin down the ID for you.
     
  10. mxcycle

    mxcycle New Member

    Joined:
    Jul 5, 2011
    Messages:
    5
    Likes Received:
    0
    Thanks, I'll give them a try...
     
  11. Dan

    Dan Staff
    Staff Member

    Joined:
    May 25, 2008
    Messages:
    12,501
    Likes Received:
    50
    Man! that looks awesome.

    Any numbers on it? Some times you get lucky and a Google search will give you detailed information.

    Please post any thing you find out. Really is a cool looking engine. Is kinda funny how folks have already worked out what we struggle with today, many years back.
     
  12. MarkSumpter

    MarkSumpter New Member

    Joined:
    Nov 27, 2010
    Messages:
    474
    Likes Received:
    0
    Hey Dan good idea I didnt think of it till now but if there is a patent number you can look it up on Google Patent Search... Heck I just like to do a search there and read and look at the old diagrams for engine stuff...
     
  13. rustycase

    rustycase Gutter Rider

    Joined:
    May 26, 2011
    Messages:
    2,746
    Likes Received:
    0
    What a great looking old engine MX!
    Should not be too hard to get it operating once you find what parts can be re-done to fit it.
    Good luck!
    rc
     

Share This Page