DiffTrike mechanical drawing

October 13, 2014

1

DiffTrike MarkIV measures. Some parts not accurately scaled. All measurements in cm, with a tolerance of +-1cm.

With some people wanting to build their own crazy trike / kart and due to popular demand, I’m posting here the current design and measures of our proof-of-concept vehicle. Obviously, this is not an engineering blueprint, and anything you build based on this information is your responsibility alone – don’t blame me/us if you break […]

Posted in: DiffTrike, Fabrication

We made the news!

September 23, 2014

2

artigo DN

We made the news!!! Here’s Portuguese television channel 3 (“SIC”)’s coverage of the event, with a 3 second apparition of the DiffTrike at timestamp 1:39. Plus, the national radio “Rádio Renascença” also promoted the event and interviewed me in studio about the project. My 20-second promotion spot can be heard on that page; an  8-minute […]

Posted in: DiffTrike

Off to the Faire!

September 22, 2014

5

Hitching a ride on a bigger vehicle. The Trike isn't ready for long trips (yet).

NOTE: THE Lisbon Mini Maker Faire 2014 IS NOW OVER. THIS IS A POST-POST. :) The Trike is finally ready for show time. Please have a seat and take a smooth ride… So I packed it up on my car and went off to the Maker Faire. Once we got there, a lot of people […]

Posted in: DiffTrike, Motivation

Integration Jam Session

September 21, 2014

0

Njay got the burned bridge rebuilt, tested, and “burned-in” for an hour at 10Amps, so we got together again to finish integrating the system. This time with the 500 kbps I²C bus between the RasPi and the Power Bridges, so that the link is loud and clear. Njay was afraid that such high speeds would […]

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Tuning out the glitches

September 20, 2014

0

nuclear-explosion

WE ARE AT THE FAIRE RIGHT NOW! :) JOIN US! Meanwhile we’ll keep posting the story behind the project… Me and NJay finally got together for a hacking jam session to find out what the heck is going wrong with the I²C comms bus between the RasPi and the Power Bridges. This is where his […]

Vroom vroom

September 19, 2014

0

Chain guards for happier fingers

ATTENTION: THE Lisbon Mini Maker Faire 2014 OPENS TO THE PUBLIC TOMORROW, SATURDAY. GET YOURSELF REGISTERED ONLINE AS A VISITOR SO YOU DON’T HAVE TO WAIT IN LINE AT THE VENUE. IT’S FREE OF CHARGE, BUT YOU HAVE TO REGISTER FIRST. And now, back to our soap opera. :) The time has come to finally […]

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Communications test, system bring-up

September 18, 2014

0

20140902_ready_bridge

So, the hardware was finished and basically tested. Time to go for the software and get all this stuff to actually do something together. :) I had to spend some time updating my motor “device driver” module to be compatible with Njay’s new power bridges. I took my “latest and greatest” version (which had been […]

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