Advertise on Bikeforums.net



User Tag List

Results 1 to 8 of 8
  1. #1
    Senior Member w98seeng's Avatar
    Join Date
    May 2008
    Location
    Incognito
    Posts
    385
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Delta Trike Rear Drive Suggestions Needed.

    I want to build my own delta trike that has two wheel rear drive. Money is tight, so I have to come up with an idea that I can build with old bike parts.

    Take a look at the pictures. I do not know if this trike is built how I want it, but it's very much like what I want to do.

    If the rear wheels each had a single speed freewheel, would this allow for the different turning radius for each wheel?

    Thanks,
    Ian

    Jackshaft.jpgLeftRear.jpg
    Last edited by w98seeng; 03-26-14 at 06:47 PM.

  2. #2
    Senior Member
    Join Date
    Dec 2010
    Location
    Above ground, Walnut Creek, Ca
    My Bikes
    7 single speed road
    Posts
    3,928
    Mentioned
    4 Post(s)
    Tagged
    0 Thread(s)
    an interesting "thought' problem...

  3. #3
    Senior Member BlazingPedals's Avatar
    Join Date
    Dec 2004
    Location
    Middle of da Mitten
    My Bikes
    Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, homebuilt recumbent
    Posts
    7,115
    Mentioned
    1 Post(s)
    Tagged
    0 Thread(s)
    Most deltas I've seen only power one rear wheel. It'd be a whole lot easier and more efficient to just make it a front wheel drive. Then you could even make it a leaner.


  4. #4
    Senior Member w98seeng's Avatar
    Join Date
    May 2008
    Location
    Incognito
    Posts
    385
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by BlazingPedals View Post
    Most deltas I've seen only power one rear wheel. It'd be a whole lot easier and more efficient to just make it a front wheel drive. Then you could even make it a leaner.

    Wouldn't 2 wheel drive be more efficient?

    I have another one I am building that will be FWD.

    As for a leaner, I want to build one like this.
    Untitled.jpg

    It seems to be an easy build and for my first leaner, I want an easy one. I also have all the parts needed. One change I will make is to add a disc brake to one crank arm and have the disc brake actuated by a friction shifter, this way I can hold the wheels level if need be.

    Ian

  5. #5
    The Recumbent Quant cplager's Avatar
    Join Date
    Jan 2012
    Location
    Norwalk, CT
    My Bikes
    2012 Cruzbike Sofrider, 2013 Cruzigami Mantis
    Posts
    2,807
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by w98seeng View Post
    Wouldn't 2 wheel drive be more efficient?
    Efficient? Probably not. Better traction? Only if built well.
    http://Charles.Plager.net
    http://RecumbentQuant.blogspot.com

  6. #6
    Senior Member PaPa's Avatar
    Join Date
    May 2003
    Location
    Idaho
    Posts
    496
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by w98seeng View Post
    I want to build my own delta trike that has two wheel rear drive. Money is tight, so I have to come up with an idea that I can build with old bike parts.

    Take a look at the pictures. I do not know if this trike is built how I want it, but it's very much like what I want to do.

    If the rear wheels each had a single speed freewheel, would this allow for the different turning radius for each wheel?

    Thanks,
    Ian

    Jackshaft.jpgLeftRear.jpg
    The trike in the images you posted was built by Master builder Mark Stonich. Mark can be contacted through his site:

    BikeSmith Design and Fabrication

    The only time you genuinely need 2WD is for unfavorable riding surfaces. 2WD also complicates the build and triples the cost. There's a few examples currently produced: The Greenspeed Anura and the Hase Ketweezal (optional). Both have differentials.

  7. #7
    Senior Member BlazingPedals's Avatar
    Join Date
    Dec 2004
    Location
    Middle of da Mitten
    My Bikes
    Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, homebuilt recumbent
    Posts
    7,115
    Mentioned
    1 Post(s)
    Tagged
    0 Thread(s)
    I can't tell who it was in the first video; but this one is definitely Tim Hicks. The trike looks identical, at least to me. I'd accept it as an act of faith that FWD is going to be more efficient than adding drive shafts or differentials, or applying power off-center. That ashtabula crank idea is interesting. I wonder how it handles since the rear wheels will never be across from each other? I mean, having a longer wheelbase on one side and shorter on the other would affect which side corners best?


  8. #8
    Senior Member osco53's Avatar
    Join Date
    Oct 2012
    Location
    Central Florida
    My Bikes
    Sun Tour Easy LE, Sun EZ-3, Scott Aspect 29er HT, Walmart Thruster 700c single speed..
    Posts
    632
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    A differential is best..

    Check out the Greenspeed Anura drive, It powers both rears I think with a limited slip differential.
    The 'slip' should be adjustable by changing the fluid viscosity.
    Greenspeed Recumbent Trikes - ANURA trike

    Go to Atomic Zombie My son,,,
    Atomic ZombieŽ DIY Bike Building Community - Atomic Zombie News
    Last edited by osco53; 04-06-14 at 04:41 AM.
    Scott Aspect 940 29er, Tour Easy LE, Sun EZ-3 sx, Walmart Thruster :P

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •