Human Electric Trike Thesis

Design of an electrically assisted human powered trike

10/29 Fabrication update

Posted by Bob Dold on Monday, October 30, 2006 12:03 AM

Spent most of the past few days assembling the components to build up the trike. Most of it has gone smoothly, I did have a problem getting the motor into the already assembled swingarm so I had to partially disassemble it and cut a the shaft bracket to get it to fit. I also had to drill out the rivets holding the shock mount to the swingarm in order to rotate it to clear the motor while it was slipped in place – this means the motor cannot be removed without drilling out the mount rivets. Suspension seems to work fine with weight placed on it, loaded batteries and sat in the seat and suspension drops about an inch which is what I had designed.

With seat and boom attached:

Front suspension:

Motor and batteries:

Awaiting steering rods to be fabricated and another order of McMaster hardware in order to finish assembly, hopefully will have it ready to ride within a week.

4 Responses to “10/29 Fabrication update”

  1. Sam said

    I want one!

  2. Beautiful, wondrous design. The front end suspension is absolutely marvelous, what made you decide to go that route? I’m with ‘Sam’ on this – I want one too! Cheers!

  3. Tero Tilus said

    The structure looks far, far out too heavy if you are really aiming at being (primarily) human-powered. I would never ever want to pedal anything that massive. I wonder what will be the weight of the vehicle?

  4. no said

    Jesus it’s Aluminum!!! Massive… Are you kidding.

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