| Rear axle articulation | |
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+14LAWN MOWER MUDDER TroyBilt Pony the54 rarbaugh07 MowBandit muddstir T-Dub13 mr.modified TheRainbowBoxer Doug Doc Sprocket Thunderdivine Lawren Wimberly redlinemotorsportts 18 posters |
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T-Dub13 Established Member
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation December 31st 2013, 4:55 pm | |
| I was just clarifying what I was looking for when I made the thread, witch wasn't a atv swing arm type like that | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation December 31st 2013, 10:12 pm | |
| - Thunderdivine wrote:
Nice sketch, and this screams FOUR WEDEE if you didn't allready know it Screams four....... WHAT?! 4x4? | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 1st 2014, 12:09 pm | |
| - redlinemotorsportts wrote:
- I was not talking about a swing arm when I made the thread, it was about two axis of piviot, just like a truck axle.
I guess I should have put more detail in my post. I posted them for the talk on mr.modified's drawing, of how to keep chains/belts tight throughout the axle movement. So in other words look at his drawing and take the dashed line out and and put a jackshaft in there, then run a sprocket from trans to that jackshaft, then on both ends of that jackshaft there needs to be sprockets lined up with the sprockets for the wheels. I know its not a 4 link setup like you were talking about but this could solve his problem. His drawing is kinda like a trailing arm/link setup. I also designed a true 4 link setup for my allis but never built it. All I can say is its kinda like yours but still different. | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 1st 2014, 12:24 pm | |
| Oh I didn't make that connection that you were talking to him, my bad. Do you have a drawing of the 4 link ![Question](https://2img.net/i/fa/i/smiles/icon_question.gif) | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 1st 2014, 4:29 pm | |
| - redlinemotorsportts wrote:
- Thunderdivine wrote:
Nice sketch, and this screams FOUR WEDEE if you didn't allready know it Screams four....... WHAT?! 4x4? 4WD | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 1st 2014, 4:43 pm | |
| - Thunderdivine wrote:
- redlinemotorsportts wrote:
- Thunderdivine wrote:
Nice sketch, and this screams FOUR WEDEE if you didn't allready know it Screams four....... WHAT?! 4x4? 4WD Maybe another golf kart axle and samuri knuckles? that's alot more work... | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 11:42 am | |
| Drawings help so much! And that's a nice drawing BTW. The way it looks, you're going to need a lot of slide movement on the driveshaft. Looks like it will want to be shorter when the suspension is loaded: Longer when unloaded. The key (same as with a chain) is to have the transmission yoke as close to the pivot point, or in the middle of the pivot arc. Should be easy to do with your design. You may end up lowering the 700 output to somewhere in between the front links ends.
Edit: The driveshaft wants to be parallel with the trailing arms. | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 12:18 pm | |
| I was thinking kinda about that but I have no experience with 4 link geometry, but I get what your saying. Maybe move the link mounts up would be easier, I mean if your gunna hack the frame you might as well go all the way lol. | |
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T-Dub13 Established Member
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 12:55 pm | |
| Yep, you got the gist of it. Every change for the better has a compromise attached to it (usually). That's what engineering is all about. So, then contemplating a change, always ponder any and all negative effects to said change. My guess is that you will not experience any performance gain with a 4-bar linkage over a swingarm. | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 1:31 pm | |
| - T-Dub13 wrote:
- Yep, you got the gist of it.
Every change for the better has a compromise attached to it (usually). That's what engineering is all about. So, then contemplating a change, always ponder any and all negative effects to said change. My guess is that you will not experience any performance gain with a 4-bar linkage over a swingarm. Maybe for high speed but for a crawler like I'm thinking, it would help around the rocks. Top speed of like 10mph just for wheel speed. | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 1:37 pm | |
| Are we talking about independent rear suspension? That would make a nice crawler. You can do this with twin (side-by-side) swingarms a lot simpler than 4-bar linkage. And you will lose nothing but complexity. | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 3:42 pm | |
| That was my thoughts, but he's tryin to work out the 4 link... dead set on it
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 3:59 pm | |
| However you attach it, your limit is usually the diff case. So huuuge wheels is needed.
Also consider running the shocks on a different location, imagine a geared shock. that way you can have a shock with a travel limit like 3 inches, but infact the travel can be 18 inches, since you "gear" it. | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 2nd 2014, 4:29 pm | |
| I've always been talking about a the setup I drew up (700 to a 4 linked golf kart axle) | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 17th 2014, 9:32 pm | |
| heres a picture of a scrapped golfcart. Now i didnt measure but im guessing its around 3 fee from inside rim to inside rim. i think it will fit perfectly! sounds like a good project for next year! ![Rear axle articulation - Page 2 39747110](https://i.servimg.com/u/f56/18/18/82/33/39747110.jpg) | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 18th 2014, 7:11 am | |
| red you should do a 4wd setup and get that peerless 700 with the dual outputs | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 18th 2014, 8:24 am | |
| - MowBandit wrote:
- red you should do a 4wd setup and get that peerless 700 with the dual outputs
Umm.... ALL Peerless 700's have a dual output... | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 18th 2014, 12:53 pm | |
| Meh, 4x4 is a hole different game. This right here is a hole different game. One at a time lol | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 18th 2014, 1:04 pm | |
| - Doc Sprocket wrote:
- MowBandit wrote:
- red you should do a 4wd setup and get that peerless 700 with the dual outputs
Umm.... ALL Peerless 700's have a dual output... In a way yes most have a short shaft on oneside for a break and on the other side it has a longer shaft for the sprocket but on a dual ouput it has a long shaft on each side with dual sprockets | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 18th 2014, 4:54 pm | |
| - Doc Sprocket wrote:
- MowBandit wrote:
- red you should do a 4wd setup and get that peerless 700 with the dual outputs
Umm.... ALL Peerless 700's have a dual output... They have the possibility to, but some are delivered with the righthand sideshaft cut off. | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 18th 2014, 7:07 pm | |
| There was a 3 speed 700 with the dual output shafts with cup pliers in a snowblower. shame I didn't get it for a spare tranny! | |
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![Rear axle articulation - Page 2 Empty](https://2img.net/i/empty.gif) | Subject: Re: Rear axle articulation January 22nd 2014, 8:48 pm | |
| I'm in the process of building something that fits this thread pretty well. Its a bolens with a 5hp Briggs,shaft drive and lots of articulation front and rear! Check out my YouTube channel rarbaugh07. | |
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