火星怪兽

Mars Smars

2024-01-17 08:53:53

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Summary

This is a remix of the smars version 2 chassis, designed to incorporate smars connectors. There are some remarkable versions of the original smars and thought it was time to release something beyond the classic wheeled or tracked versions. I have kept to the screwless theme of the original smars to decrease the need for purchased components. The rocker bogie suspension has proved to be a very capable design. It does, however, not lend itself well to high speeds. It's best to keep with the higher torque slower speed 150 rpm n20 motors suggested for smars robots. I look forward to feedback and remixes.
Currently this is a work in progress and I will post more detailed build instructions, print orientation, arduino code that utilizes Arduino joystick app found on google play store.

Printed parts:
1 rocker, 1 mirrored rocker
1 bogie, 1 mirrored bogie
1 ball end, 1 mirrored ball end (attaches diff bar to bogie arms)
2 n20 retainer, 4 mirrored n20 retainer
2 bogie axle
2 bogie axle retainer
2 rocker axle
2 rocker axle retainer
2 bogie axle pin (these slip into respective slots to hold bogie axle to chassis)
2 Int axle pins (these slip into respective slots to hold bogie axle to chassis)
2 pivot stopper (these are inserted into rocker and bogie joint to limit rocker revolution)
1 diff bar
1 connector
1 diff axle A (Used to hold diff bar in rear hole)
1 diff axle B (Used to hold diff bar in rear hole)
1 chassis
1 lid
1 lid plate (used to secure lid)
6 wheels
6 tires (I printed in TPU)

When printing the axle and pin lengths should lay horizontal with support for maximal strength. The rockers and bogies can lay on there flat sides without support.

Electronic components.:
Arduino nano
2 small ESC's (I went with cheap 10amp)
6 N20 motors (150rpm)
2s lipo (800mah)
HC05 bluetooth module

I will be posting some build instructions and code to use shortly