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Mini Steered Suspension

January 1st, 2009 Leave a comment Go to comments

Very small pendular steered suspension. Dimensions are 9x5x5 studs, it can use various gear ratios and transfer the steering further to another suspension module. Step-by-step instruction provided.

Designed as the front suspension for small car models, but durable enough to work in the bigger ones. It’s a very simple construction, that consists of 36 parts, all commonly available, and can be widened, if needed. A great advantage of this design is the possibility to transfer the steering from the front or back of it, or even from both sides – in this case we can use several modules and transfer the steering through them, from one to another. Knob wheels can be obviously replaced with bevel gears, and thus several different gear ratios can be obtained inside the module. It may be problematic, however, to add shock absorbers to this suspension. They can be surely attached to transverse liftarms, but only with suspension wider than 9 studs. As for me, if a model is small enough to require only a 9-studs-wide suspension, it probably has no space for shock absorbers anyway.

Photos:

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  1. thomas
    January 5th, 2012 at 14:24 | #1

    where is the full build instruction?:P

  2. Sariel
    November 5th, 2011 at 00:17 | #2

    @qwertyuiop
    No, it won’t.

  3. qwertyuiop
    November 5th, 2011 at 00:09 | #3

    oh and one more thing. if a differential is one stud to the side, will it affect the performance of the vehicle?

  4. qwertyuiop
    November 5th, 2011 at 00:03 | #4

    ok thanks. sorry if i can be annoying, but everything ive seen on this website so far has helped me heaps.

  5. Sariel
    November 3rd, 2011 at 11:25 | #5

    @qwertyuiop
    No, there’s no space for it.

  6. qwertyuiop
    November 3rd, 2011 at 11:04 | #6

    i meant one of the 24/16 tooth differentials, sorry

  7. Sariel
    November 1st, 2011 at 11:07 | #7

    @qwertyuiop
    You just said you don’t want to include it.

  8. qwertyuiop
    November 1st, 2011 at 08:20 | #8

    but how will i include a differential into it?

  9. Sariel
    October 31st, 2011 at 08:29 | #9

    @qwertyuiop
    Sure, you can use knob wheels instead.

  10. qwertyuiop
    October 31st, 2011 at 05:43 | #10

    ive been trying to incorporate this and your 4 speed linear gearbox into a model that im working on. how can i make a driven pendular suspension for the rear wheels without having to use one of the new bevel gear differentials?

  11. qwertyuiop
    October 7th, 2011 at 08:11 | #11

    dont worry, i made a slight mod to it, there are now holes to put it in

  12. Sariel
    October 7th, 2011 at 07:57 | #12

    @qwertyuiop
    Put it wherever you like.

  13. qwertyuiop
    October 7th, 2011 at 02:41 | #13

    could you please just post a photo of where to put the suspension for noobs like me?

  14. dragon99
    August 1st, 2011 at 13:13 | #14

    Thanks for the instruction!

  15. Sariel
    April 28th, 2011 at 16:04 | #15

    @E.S.T.
    I play and drive around my LEGO models. And return-to-center steering only makes it harder.

  16. E.S.T.
    April 28th, 2011 at 15:18 | #16

    oh ok. i suppose this was suppose to be for those who play and drive around their lego models. aka me and thank you for your ideas and creations they really helped me.

  17. Sariel
    April 28th, 2011 at 12:06 | #17

    @E.S.T.
    I never ever felt a need for return-to-center steering. It only makes things harder and unrealistic.

  18. E.S.T.
    April 28th, 2011 at 11:17 | #18

    ummmmm, just wondering, have you seen this video before?
    http://www.youtube.com/watch?v=ouUiTPX0Ngo
    it seems kinda interesting……. just only saying so yeah…….. ^_^

  19. Erick
    January 8th, 2011 at 06:50 | #19

    Can you please post the instructions for the return-to-center steering system.

  20. chandu
    November 20th, 2010 at 18:21 | #20

    @Sariel
    No problems, thanks anyways…..

  21. Sariel
    November 19th, 2010 at 14:51 | #21

    @chandu
    I have no suggestions.

  22. chandu
    November 19th, 2010 at 14:14 | #22

    @chandu
    i mean i’ll be building it with this steering….

  23. chandu
    November 19th, 2010 at 14:11 | #23

    @Sariel
    yes….. oh i ge it now, thanks, and i was wondering if you could do me another favour….
    i’m gonna be building a monster truck with this chasis, its gonna be very small, and will not have any pf at all, so what kind of chasis do you suggest?

  24. Sariel
    November 19th, 2010 at 12:48 | #24

    @chandu
    You know there are Technic bricks and beams with holes in them, don’t you?

  25. chandu
    November 19th, 2010 at 12:47 | #25

    @Sariel
    Um… let me ask it in a different way…. am i supposed to attach the circular stud pointing out to the chasis? Or better, yet, how would you attach it to a chasis?

  26. Sariel
    November 16th, 2010 at 11:55 | #26

    @chandu
    I’m at a loss for words.

  27. chandu
    November 16th, 2010 at 10:54 | #27

    Hi, i’m kind of a noob at using lego technic parts, and i was kind of wondering, how can i attach this system to a chasis? It would be much easier for me if you do tell me. Thanks!

  28. Sariel
    October 29th, 2010 at 08:16 | #28

    @puredeath
    You don’t need these to be of even width to combine them with studded parts. I’m combining these all the time.

  29. puredeath
    October 29th, 2010 at 00:30 | #29

    Is there a way to make a steering system that is an even stud width so that it is essayer to incorporate normal (studed) legos into it and also is there a way to make an even width gear box

  30. andy
    October 21st, 2010 at 10:56 | #30

    cool

  31. Sariel
    September 10th, 2010 at 16:42 | #31

    @puredeath
    Of course. And it would help if your question was a bit more grammatically correct.

  32. puredeath
    September 10th, 2010 at 16:34 | #32

    Is ther a whay to to make a steering seystem that in not an odd number wide or and odd number good compact gear shift

  33. Sariel
    August 29th, 2010 at 17:16 | #33

    @Nequmodiva
    Just a coincidence.

  34. Nequmodiva
    August 29th, 2010 at 17:09 | #34

    This Steered Suspension is very similar to the one used in 8261 Rally Truck. Were you involved in the creation of this LEGO model or did it influence your creation? Or is it just a coincidence?

  35. Sariel
    August 21st, 2009 at 13:20 | #35

    @Adi
    Depends on what you want to do with the car. This suspension is fine to drive around the room on the floor or on some simple obstacles. But if you want to take your car outdoors and go off-road, an independent suspension with shock absorption would be a better choice.

  36. Adi
    August 21st, 2009 at 12:53 | #36

    would you recommend this for a rc car or would you recommend something else.

  37. Sariel
    July 26th, 2009 at 08:40 | #37

    @adison
    I’ve built plenty of buggies already. Why don’t you pick one and see how it’s made?

  38. adison
    July 26th, 2009 at 02:17 | #38

    i made it but do you know how i could add a motor to the steering.

  39. Sariel
    July 25th, 2009 at 14:16 | #39

    @Adi
    The instruction is right here.

  40. Adi
    July 25th, 2009 at 12:47 | #40

    which steering mechanism works the best for a rc buggy.

  41. Adi
    July 25th, 2009 at 12:43 | #41

    could you please put the instructions on because i am trying to maake a rc buggy but i have no idea what to use for the steering.

  42. simontomi
    June 21st, 2009 at 08:59 | #42

    please upload an instruction of the gear mechanism that engages to return to the center, when the motor is turned off.very great work!

  43. Sariel
    April 12th, 2009 at 11:04 | #43

    @Mikołaj
    Best not to place them. You can use it without shock absorbers if there is another axle in your vehicle that provides stability.

  44. Mikołaj
    April 12th, 2009 at 10:24 | #44

    So where to place shock absorbers?

  45. corey
    March 16th, 2009 at 04:02 | #45

    i know an easy way to attach shock absorbers.

  46. Sariel
    February 16th, 2009 at 09:11 | #46

    @robotics130
    I didn’t take pictures, because I thought it’s obvious.

  47. February 16th, 2009 at 05:17 | #47

    Where do you attach the suspension pieces? Can you show pictures?

  48. January 4th, 2009 at 12:48 | #48

    I’m searching/trying to create a “better” (more robust and precise) steering for robotics with Mindstorms than the rack&pinion. I’m looking and your creations and at “Telescopic Handler 8295″ instructions.

    Any comment or help will be very welcome :)

    Thanks for sharing your work!

  49. admin
    January 4th, 2009 at 12:11 | #49

    @Jose
    Nope, I have used this one in my Morgan for the first time.

  50. January 4th, 2009 at 01:46 | #50

    Your creations are awesome!

    Is this steered suspension the one you used at your November Forklift PF?

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