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04-03-2010, 06:45 PM | #21 |
Quarry Creeper Join Date: Jun 2005 Location: S Oregon.
Posts: 325
| I believe it's generally the angle between the front axle and the rear at full stretch. My comp buggy has 25* freely, but it can get ~40* in a bind.
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04-03-2010, 07:12 PM | #22 |
I wanna be Dave Join Date: Mar 2008 Location: Wayne county. PA
Posts: 2,507
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yeah that is basicly what i mean too, my front axle is at bout 35/40 degree's up off the ground when my rear axle starts to lift....cut that in half and that's what my articulation is at bout 17 to 20 degree's then ...............bob .... |
04-05-2010, 09:11 AM | #23 |
2006 2.2 National Champ Join Date: Dec 2004 Location: Big Bear Lake
Posts: 8,328
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Thanks again guys. |
04-05-2010, 10:47 PM | #24 |
Quarry Creeper Join Date: Nov 2007 Location: southender
Posts: 239
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great info very good article
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04-05-2010, 11:17 PM | #25 |
Quarry Creeper Join Date: Jun 2005 Location: S Oregon.
Posts: 325
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I always say Down travel is traction, but I deal with 1:1's a lot... Articulation isn't everything! |
04-08-2010, 04:17 PM | #26 |
Newbie Join Date: May 2009 Location: P-town/Bangor
Posts: 30
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I had been obsessed with maximizing my articulation, thinking more is better. I've done some mods, but there is always that obstacle that is just a little too high. but I have noticed that my high speed control ability has gone down some as i look for that extra degree or two. thanks for the write up. |
04-13-2010, 12:40 PM | #27 | ||
2006 2.2 National Champ Join Date: Dec 2004 Location: Big Bear Lake
Posts: 8,328
| Thanks. Quote:
Quote:
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04-13-2010, 03:35 PM | #28 |
I wanna be Dave Join Date: Mar 2008 Location: Wayne county. PA
Posts: 2,507
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i dailed some articulation out of the tigress and what a difference, thx fer dat write up BENDER ....i went from bout 40 degree artic to bout 25/30 and helped out big time....my first comp last sunday i placed 7th among the top 20 big dogs ....my goal is the top 10 at season's end points in 2.2 pro.............bob .... |
04-13-2010, 04:01 PM | #29 |
I wanna be Dave Join Date: Mar 2009 Location: sittin in the sky
Posts: 4,630
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this will realy help the newbs! all they want is more more more flex (i know i was the same when i started!) but it ends up just hurting them!
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04-13-2010, 04:52 PM | #30 | |
2006 2.2 National Champ Join Date: Dec 2004 Location: Big Bear Lake
Posts: 8,328
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Exactly. More articulation looks cool on a shelf, but isn't the way to go in competition crawling. | |
04-13-2010, 05:13 PM | #31 |
Quarry Creeper Join Date: Jun 2005 Location: S Oregon.
Posts: 325
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04-15-2010, 07:50 AM | #32 |
2006 2.2 National Champ Join Date: Dec 2004 Location: Big Bear Lake
Posts: 8,328
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04-17-2010, 03:08 AM | #33 | |
Pebble Pounder Join Date: Sep 2008 Location: New Zealand
Posts: 183
| Quote:
On a bench if I lift thge front tire I will get about 1 tire height of flex. If I really stretch it all out and flex it hard I will get a bit more, tire compression is one factor. This simulates a real bind. Not sure if free vs bound articulation is a valid topic but I do know there is a difference for me. | |
04-17-2010, 04:31 AM | #34 |
Quarry Creeper Join Date: Jun 2005 Location: S Oregon.
Posts: 325
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I think it would be safe limiting to 75* bound and 30* free. I can get it my MOA to make almost 90*, but it would be a helluva bind on-course to put that much force on it while not progressing.
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01-02-2012, 09:55 AM | #35 |
Rock Stacker Join Date: Jan 2009 Location: Rio Rancho NM
Posts: 96
| Re: Articulation Pro's and Con's
I was ready to start tearing apart my shocks to get more flex out of them, but I think I'll leave them alone after reading how you like to get as much flex as the size of a 2.2 tire, that's about where I'm at now.
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01-02-2012, 09:58 AM | #36 |
2006 2.2 National Champ Join Date: Dec 2004 Location: Big Bear Lake
Posts: 8,328
| Re: Articulation Pro's and Con's That is a good starting point. MOA vehicles can get away with a little more travel, than a shaft driven truck. But, in general I have found that less is better to a certain degree. |
01-02-2012, 10:12 AM | #37 |
Yashua Join Date: Sep 2010 Location: Learn the parable of the fig tree
Posts: 3,661
| Re: Articulation Pro's and Con's
When I first finished my super build it had over 8" of articulation , but after quite a few mods and adjustments to height and weight I limited my shocks and moved them around a couple times and now with a much more stable platform I have about 6 1/2" articulation It's working . |
01-02-2012, 10:40 AM | #38 | |
I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Re: Articulation Pro's and Con's Quote:
Having ~= to one tire diameter flex is a great start. You can mess with shock oil viscosity to help "float" a tire over an obstacle. It may also mean you have to "wait" for the chassis to settle to get better tire contact at times. Thus the "degree angle" for most rigs is similar, the amount a flexed tire will lift is dependent on tire OD. | |
01-02-2012, 11:03 AM | #39 |
Quarry Creeper Join Date: Sep 2010 Location: Berlin, VT
Posts: 275
| Re: Articulation Pro's and Con's
Great write up! Should be a sticky.
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