Will this fit?

Lynxmotion Rovers, Sumo, and Tracked
1

I’m currently planning my first robot. I’m imagining a cross between Johnny 5 and Wall-E.

I need to be able to mount a fit-PC2 to the chassis, a Sabertooth controller and a SSC-32.

I’m looking for as close to off-the-shelf kit as I can get as I have no access to machining tools (simple hand tools only).

I jus have a couple of questions:

  1. Would the fit-PC2 fit on top of the A4WD v2 chassis? The tri-track would be better but doesn’t look wide enough - can it be widened?
  2. How best could I mount the base-rotate component on top of the PC? Could I somehow add another deck to the chassis above the PC?
  3. Eventually I’ll be adding arms and a head - I’m thinking of copying J5’s - does that just use various bits of the servo erector set?

Thanks in advance,

2

It might help us to know the dimensions of the fit-PS2. The TriTrack is smaller and there’s no easy way to widen it, short of just making new body panels. The A4WD rover has “add-on” decks for this purpose. The SES is a collection of all of the parts we use in our kits. So it is very easy for you to design custom J5 type of assemblies. Imagination is key!

3

Thanks Robot Dude. The Fit-PC2 has the following dimensions: 101 x 115 x 27 mm

Would it be very difficult to make new body parts out of some sort of sheet plastic or would I need a machine shop to do it (in which case I’d have to pass on the Tri-Tracks).

4

Ok so roughly 4" x 4.5" x 1". It should be no problem for the A4wd, but TriTrack… It is not easy for me to answer if it would be difficult as I have no idea what tools and experience you have.

5

@Robot Dude:

Looks like I’ll be picking up the A4WD then. Since I plan on controlling the bot over serial from the onboard fit-PC2 what other electronics do I need to pick up if I get this A4WD kit from you? Do I just need the Sabertooth controller for the motors plus a SSC-32 to control any servos I might later pick up for the arms/head? Presumably I can control the Sabertooth via serial commands from a PC?

6

Sabertooth 2x12 can be controlled from the SSC-32 or other devices using other modes. I’m not sure how to connect the Sabertooth to the fit PC directly.

7

Ah, well considering I’ll almost certainly need the SSC-32 for later in the project I guess I should pick one up at the start…

8

Sorry to reopen this thread but I’ve come accross an embedded pico-ITX that is even smaller than the fit-PC. I’m just wondering what the dimensions of the INSIDE or the tri-track are (ie. the dimensions of the base between the treads that would be available to place a board on.

Thanks,

9

The TriTrack chassis is 7" wide and 8" long. The space in front of the motors is 3.5". The underside is open, but batteries normally go there.