11-01-2005, 10:25 PM | #1 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
| drunken monkey bridge
well i was sitting in my aerodynamics class the other day pondering building a stick with a transmision for my maxx, but torque roll seems it would be horible, well i got to thinking more and figured the only way to eliminate torque roll totally would be remove the suspension, and i came up with this. no springs just articulation. im still waiting on the big ball ends to come in the mail but when they get here it will be ready for a test drive. here are some prelimanary pics. no springs, high clearence, low cog drawn in how the ball links and the little link will be well hope it works they way i want it to i will keep you all posted on the progress. |
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11-01-2005, 10:31 PM | #2 |
Rock Crawler Join Date: Jan 2005 Location: and OR. if . . . . Gone Fishin :p :b :p
Posts: 501
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Very Interesting.............I got to admit it's putting my brain in a knot! Hurry up and git ur' dun |
11-01-2005, 10:35 PM | #3 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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thanks i though the ends would be here to day but they arnt so im sitting here waiting, oh i forgot to mention its called the drunken monkey bridge, because it looks like a bridge, which made me think of monkey bridge, which made me think of brass monkey, which brought on drunken monkey, but i figured i needed to add bridge in there to tie it all together, the stuff an hour of aerodynamics will do to the mind. sbj |
11-01-2005, 10:43 PM | #4 |
RCC Addict Join Date: Nov 2004 Location: Redding, CA
Posts: 1,288
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Forced articulation. I thought of trying that but wanted someone else to test it first. What will you do to locate the axles under the chassis? |
11-01-2005, 10:57 PM | #5 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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im still pondering that, i was thinking of running a link from the bar to the axle on each side, but i just was thinking of one link per side from the chassi to the diff like this or the red one in the lowest pic of the first post |
11-01-2005, 11:32 PM | #6 |
Quarry Creeper Join Date: Jan 2005 Location: Upstate NY
Posts: 355
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progressive thinking. I like it. I'm very slowly trying to think of something for my txt. Where did you you order your giant ball ends from (as for that question what size are they exactly.) also am I insane or is that a frog tranny?
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11-01-2005, 11:45 PM | #7 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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very good, yep its a frog tranny, and they will be 1/4 in ball ends i got them from http://www.mcmaster.com/ part number 60645K121 they also have nylon ones i got the site from the project xerox post, i bought my nylon ones for my stick there. i figured i needed a bit more strength in this aplication, if their super heavy i might replace them with the nylon type.
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11-01-2005, 11:48 PM | #8 |
Quarry Creeper Join Date: Jan 2005 Location: Upstate NY
Posts: 355
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Honestly man I'd consider looking for a stronger tranny. I blasted through my previous frog one like butter. as soon as those things are put under any extreme stress pretty much everything frys. Good luck with it though. More power to you if it holds.
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11-01-2005, 11:58 PM | #9 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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i bought a bandit for the tranny and the guy threw a frog in also so i was like what the hell, plus im haveing to much fun driving the bandit, it seems to be holding good but thats just fooling aroung, it could use a little bit lower gear ratio, oh well, if it blows i canabalize the bandit, i like the smaller trannys.
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11-02-2005, 12:04 AM | #10 |
Quarry Creeper Join Date: Jan 2005 Location: Upstate NY
Posts: 355
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understandable. Any chance you're looking to sell off the frog leftovers? I really want to pick up another. First RC I've ever owned.
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11-02-2005, 12:09 AM | #11 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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ya i got everything but the tranny and the body. pm me if you want it.
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11-02-2005, 03:15 PM | #12 |
Newbie Join Date: Sep 2005 Location: nashville, tn
Posts: 27
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Wow thats a good idea. I came up with somthing like that but it wasnt for a rc and that was a couple years ago.
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11-02-2005, 05:04 PM | #13 |
Quarry Creeper Join Date: Aug 2005 Location: San Juan Bautista
Posts: 268
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i had it on my lego crawler for awail but i took it off because it would flop over the front axle when climbing hills under a load.
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11-02-2005, 05:35 PM | #14 | |
Newbie Join Date: Oct 2005 Location: Lemon valley, Reno
Posts: 25
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This is really a good setup because it keeps even pressure on all tires and keeps the cg centered | |
11-02-2005, 05:40 PM | #15 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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well ball ends didnt get here today either, so i hope they will get here tommarow, gonna mount the 1/4 scale servo up now. and lego crawlers? what are these you speak of?
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11-02-2005, 05:54 PM | #16 |
I wanna be Dave Join Date: Jun 2004 Location: Centennial, CO
Posts: 2,129
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Has no one figured out the obvious yet? I was going to do a similar setup with cantilevers, however, the chassis is just going to rock back and forth like a little baby in a cradle. There is nothing stopping the truck from leaning back and forth. If you ran shocks with springs chopped in half (to allow droop and compression, it might work. But even then it could rock back.
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11-02-2005, 06:03 PM | #17 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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exactly what i noticed when i mocked it up, but likeig the idea so much and not being a quitter i decided to keep pushing, that is why im going to use the like shown in post five drawn in in green.
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11-02-2005, 06:21 PM | #18 | ||
Rock Crawler Join Date: Jan 2005 Location: and OR. if . . . . Gone Fishin :p :b :p
Posts: 501
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Quote:
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11-02-2005, 06:26 PM | #19 |
Quarry Creeper Join Date: Feb 2005 Location: Yuma
Posts: 285
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thanks for the support, if i can finish all my homework and the ends get here tommarow i hope it will be out for a test tommarow...
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11-02-2005, 07:20 PM | #20 |
Newbie Join Date: Sep 2005 Location: nashville, tn
Posts: 27
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Im rooting for him too because if it does rock back and forth then he can find a way to fix it then it will be sick.
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