Step 11: Construct Left Drive Train

You need just one of these.

Tan Clip --- Red 3-Prong --- Gray Spacer --- Gray Spacer --- Tan Clip (n-) --- Red Gear --- Red Gear --- Tan Clip (-n) --- Gray Spacer --- Gray Spacer --- Blue Spacer --- Blue Spacer --- Gray Spacer --- Gray Spacer --- White 8-Prong --- Gray Spacer --- Tan Clip (n-) --- Black Gear --- Tan Clip (-n) --- Gray Spacer --- Gray Spacer --- White 8-Prong --- Tan Clip (Snapped On, Peg Facing Out)

NOTE: I had to use Gray Gears in place of the Red Gears because I didn't have enough, but they're the same size and have the same number of teeth, so they're interchangeable.

<p>you really should</p>
You should enter this in the first time authors contest. I'd think you'd win grand prize. ☺
<p>This is interesting!!!!</p>
Haha now I don't have to do piano anymore!!!!
I'm probably the first comment you've had in a while.........................................can you use the smaller chain links? I'm all out of regular.
And that is realated to this instructable in which way other than its knex?
It makes noise?
S'pose so&hellip;<br>Still pretty unrelated :^/
if u trow a real grenade at them i bet they both explode XD
am i the only one kidda scared about this?
Cool Mech, 5 stars
It is very good u should be proud, may i ask how long did it take to make
It's hard to say. I worked on it a little bit at a time over the course of several months. But thanks, I am proud of it.
I'm going to try and make it (a modified design) in under 48 hours, I think i can.
&nbsp;Sry for the double post but do you play the saxophone?
Yes I do, as well as the piano and the viola.<br />
Viola?! Nice<br /> <br /> I play the sax to. I have have alt, tenor and a bari. =D<br />
&nbsp;Bassoon!!!!! get some!!!!
<br />
finaly a cool instrument i play <br>
I really like this! I want one! <br>If only it was a bit more in time.. Haha
i would like to build this exept i only have 6 red gears do you no any way i could make it work? Great instructable 5*
You can build just one of the modules(hands), but you'll only have a 6 note range. To do that you only need 4 red gears.
were are the videos?
&nbsp;Can I suggest re-designing it so that it uses gears with chains on them for the programming? That would allow much more complex rhythms&nbsp;
Its funny that you say that, I spent a lot of time trying to use gears and chains as a means of programming, I just couldn't make it work. I'm sure someone will improve on my design sooner or later, and maybe they'll figure out how to make it able to perform longer sequences. I sure hope so.<br />
&nbsp;Look at my other comment, I managed to program a knex robot using a chain&nbsp;
Yea, no doubt yours is cool, and a good design. However, you really couldn't apply it to my robot, well maybe you could, but I don't see how without major modifications.<br />
I did make one that could write, with two chain units for up/down left/right. It sort of worked, but the writing was unreadable.
&nbsp;You got that Idea from mine! &gt;:(
&nbsp;Thats how my robots work! check em out! :<a href="https://www.instructables.com/id/KAP-V-Knex-Programmable-Automated-Vehicle-MK2/" rel="nofollow">www.instructables.com/id/KAP-V-Knex-Programmable-Automated-Vehicle-MK2/</a>&nbsp;
This is very awesome! It is one of the best K'nex models I have seen.
&nbsp;Brilliant just Brilliant 5* dude i sub too.&nbsp;
@27ace27<br /> <br /> Yeah, I found it similar to music box mechanics. I might actually build this if i can find the pieces, this is the most genius knex build ever, very unique too. Not just another gun or rollercoaster, ball machine etc, this is epic.<br />
I don't know why, but the videos are not being embeded on the page I'm viewing.&nbsp; This is not your problem; I just wanted to let you know.<br /> <br /> Other than that, this is probably the best K'nex Instructable, and one of the best Instructables of any kind, that I've seen.&nbsp; You actually wrote out how to construct the components!&nbsp; You used proper English!&nbsp; You've got clear pictures!&nbsp; And the project itself is just, well, I'm stunned.<br />
It's not the first knex instructable with clear pictures, proper english, and &quot;how to construct the components&quot;.<br />
Didn't say it was the first, but it is the first that &quot;I've seen.&quot;&nbsp; Which includes the obvious qualification that it's the first I have looked through with those qualities, having the obvious requirement that the topic has to be interesting enough.&nbsp; The card shuffler, for example, was a cool project, but not as well documented.<br />
I saw that the parts of the card shuffler were somewhat disassembled while here he just dissects it into chunks kind of like what I do, and doesn't disassemble it if it's too inconvenient.&nbsp; I don't think a first time knexer could build this just from what he has.&nbsp; I could, but that's a different story.&nbsp; <br /> <br /> I'm not ripping on his ible, but I&nbsp;don't see how the card shuffler wasn't as well documented as this.&nbsp; Or I might be missing something from your point of view.<br />
The card shuffler's &quot;documentation&quot; was only in the form of image notes.&nbsp; Those are not accessible, not printable on steps, and cannot be viewed at the same time as the image (since they get in the way).<br />
On the PDF files, it has the image notes built into the ible.&nbsp; You can just print the PDF out.&nbsp; <br />
Can you remind me if the PDF&nbsp;(not customized, just the default) is available to non-paid users?&nbsp; I know it isn't available if you don't have any account, but I thought PDFs were one of the &quot;value added&quot;&nbsp;features pulled back last year.<br />
I'm not &quot;pro&quot; yet. I plan to, but I'll abandon this user account and create a non-anonymous account when I do. I'm butting in here to say as a cheapskate member I'm able to download the pdf files.<br />
Thanks for the info!&nbsp; Are you able to customize the PDF content?<br />
I just clicked on the pdf icon for this instructable. Comes up with al the boxes ticked, I can deselect them. The download button says download a custom pdf. All I can say just give it a try. As a non pro member I can use the allsteps feature on one day and next day I can't. The only feature I miss as standard member is the ability to past into the comment edit box. Makes it harder to share pertinent information, links.<br />
You should still be able to paste using the normal Ctrl/Cmd-V.&nbsp; If you cannot do that, please post a bug report.&nbsp; If the editor is really short-circuiting normal functionality, then there is something really wrong which needs to be fixed.<br /> <br /> Thank you very much for the information about the PDFs, and the inconsistent all-steps!<br />
Yeah, I realize that. &nbsp;But both of us are pro, so your argument doesn't really apply to you, me, or any pro user. &nbsp;This is true for non-pro users.&nbsp; But I think there was a way to get the PDF files without being pro.&nbsp; Just get someone to get the URL of it for you.<br />

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Bio: You don't have to be a kid to love k'nex!
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