• Where are the gears!? (BRD Transmission)
    25 replies, posted
[media]http://www.youtube.com/watch?v=g2qKNUhfY44&lc=30YBL7Kuym5CEvdlZINlxhfWC7FouaMe7-HitZeGDxs[/media] Uses a BRD differential to toggle between full speed and a 50% reduction. Works very well, apart from some vibrations I have yet to work out. Features a 10 cylinder engine I have yet to get perfectly balanced, which may be the source of the vibrations, but I doubt it. I found out through this video that my Wire speedometer outputs a different speed than my hud speed indicator. Which one should I go by! With Wire, my max speed was around 30 mph, but the hud read 43 as that happened.
Didn't you already have a thread with this? :geno:
[QUOTE=Ldesu;29441288]Didn't you already have a thread with this? :geno:[/QUOTE] No? The last thread didn't have any 2 speed transmissions or v10s in sight.
The front wheels are bigger then the rear wheels. Why?
[QUOTE=Pringles.;29441560]The front wheels are bigger then the rear wheels. Why?[/QUOTE] They're the exact same size, I promise.
[QUOTE=MrWhite;29441452]No? The last thread didn't have any 2 speed transmissions or v10s in sight.[/QUOTE] You could've updated it :v:
[QUOTE=Ldesu;29442079]You could've updated it :v:[/QUOTE] I could have, and I did when I pushed out my tutorial for the device and a differential, but I felt that this was different enough to get a new thread.
wHERE ARE THE GEARS!?!?! :tinfoil:???+
[QUOTE=MrWhite;29440796][media]http://www.youtube.com/watch?v=g2qKNUhfY44&lc=30YBL7Kuym5CEvdlZINlxhfWC7FouaMe7-HitZeGDxs[/media] Uses a BRD differential to toggle between full speed and a 50% reduction. Works very well, apart from some vibrations I have yet to work out. Features a 10 cylinder engine I have yet to get perfectly balanced, which may be the source of the vibrations, but I doubt it.[/QUOTE] this is awesome. seems BRD mechanisms are transforming previously-laggy-and-fragile devices into commonly-usable and stable mechanisms. [editline]26th April 2011[/editline] I wonder if a BRD could be used to make a CVT.
[QUOTE=RedReaper;29446127]seems BRD mechanisms are transforming previously-laggy-and-fragile devices into commonly-usable and stable mechanisms.[/QUOTE] This is what I'm striving for. I'll see what I can do as far as more gears, or even a CVT.
How did you make the engine sound?
[QUOTE=redkite;29463353]How did you make the engine sound?[/QUOTE] It's Karb's engine sounds pack, all you do is divide the RPM by, say, 500 and set that as pitch for the sound.
You can use, by shifting outputs, BRD diff to make a 3-spd trans too, just as an FYI. I thought about this at work. Takes a bit more clutching and requires a separate "end" output, but certainly is better than laggy-ass gears. 1st gear: Input one side, lock the other. Output main shaft. 2nd gear: direct drive 3rd gear: Input main shaft, lock one side. Output is other side.
As long as you're willing to add these mechanisms, you can have as many gears as you want. Also, the whole thing can be made smaller (though slightly weaker) if the small 205x025x025 plates are used.
I must say this is genius... you Must add a tutorial for this... I can perhaps help to debug the slight vibrations... after all these years I never thought GMod would go through a revolution like this^^ Could we also get an engine tutorial for the one in the vid, I'm getting tired of slapper and hydraulic engines.
[QUOTE=Unslinga;29527234]I must say this is genius... you Must add a tutorial for this... I can perhaps help to debug the slight vibrations... after all these years I never thought GMod would go through a revolution like this^^ Could we also get an engine tutorial for the one in the vid, I'm getting tired of slapper and hydraulic engines.[/QUOTE] I was planning on making a tutorial later on for those types of engines, for now, I have this simple engine tutorial. [media]http://www.youtube.com/watch?v=2hgIpgKLQmw[/media] As for the transmission, it's just a differential with one of the plates frozen. I sort of showed it off at the end of the video. I didn't think I needed to make a tutorial for it as it was so simple.
how come the sliders always spazz out... I've tried making this about 5 times today, following every point in your tutorial, but either the crankshaft, the E2 chip or the thrusters spazz... -.- I figured out the transmission also... combining a few of them would make a nice multi speed gear box... Edit: as for the vibrations, I didn't get them when I tried it... check with a different engine... and for the speedometer; try to switch to kmph/mph and checking the LUA...
Sliders have always acted batshit crazy. They only work on certain props, and only occasionally in a certain direction every once in a while. I've never actually figured out how to avoid slider spazz, I've just been lucky enough to not have it as long as I have.
[QUOTE=RedReaper;29469407]You can use, by shifting outputs, BRD diff to make a 3-spd trans too, just as an FYI. I thought about this at work. Takes a bit more clutching and requires a separate "end" output, but certainly is better than laggy-ass gears. 1st gear: Input one side, lock the other. Output main shaft. 2nd gear: direct drive 3rd gear: Input main shaft, lock one side. Output is other side.[/QUOTE] Basically a planetary transmission, no?
[QUOTE=Sputn!k;29564947]Basically a planetary transmission, no?[/QUOTE] Pretty much. The whole transmission is kept completely in line.
That is really good, the simplicity and functionality of it is great. I haven't fooled with transmissions myself but I can see that it's simplicity speaks for the quality of the design. Good job!
[QUOTE=XXXmags;29655686]That is really good, the simplicity and functionality of it is great. I haven't fooled with transmissions myself but I can see that it's simplicity speaks for the quality of the design. Good job![/QUOTE] Coming from you, that means a lot. Thank you very much.
you could simplify it even more using axis/ballsocket differentials. [media]http://www.youtube.com/watch?v=-pW568y2szo[/media] [editline]6th May 2011[/editline] the transmission idea, I mean.
[QUOTE=RedReaper;29657504]you could simplify it even more using axis/ballsocket differentials. [media]http://www.youtube.com/watch?v=-pW568y2szo[/media] [editline]6th May 2011[/editline] the transmission idea, I mean.[/QUOTE] To me, simple is a measurement of ease of replication/use. With enough practice, I MIGHT be able to push a PA ballsocket diff out at the same rate as a typical BRD diff, but right now, that isn't the case. The rope method should be just as durable as a ballsocket alternative, but you don't have to know one of the most complex tools in Garrysmod to make it.
it can't overtorque and go kaput, which BRD can do, albeit with a massive overtorquing.
[QUOTE=RedReaper;29658928]Rope is easier to make, but requires more parts and constraints. you don't really need PA, I did it with nothing but 3 plates, axis center, and two adv ballsockets. Also, it can't overtorque and go kaput, which BRD can do, albeit with a massive overtorquing.[/QUOTE] I've always had horrible instability with non PA ballsockets when constraining in the way you're implying. Everything always either gets wobbly or isn't constant in it's rotation transfer.
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