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02-12-2010, 06:50 PM | #21 |
Shelf queen Join Date: Aug 2008 Location: Internet
Posts: 5,857
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Sooooo, is this a question or a statement?
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02-12-2010, 07:38 PM | #22 | |||
Pebble Pounder Join Date: Jul 2009 Location: Sydney
Posts: 121
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Any way I wanted to offer a more simpler way to show the effects of having the weight on the wheel. If you hold your arms out straight, either out to the side or out in front it doesnt matter, then add weight to it. More strength/power is required to lift the weight the further away it is from your body. | |||
02-12-2010, 09:26 PM | #23 |
Rock Crawler Join Date: Aug 2008 Location: B.C.Canada
Posts: 608
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no harm intended...also i never said he was "#1 on the circut",i said i have 1 friend that runs alot of the major US events.
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02-12-2010, 11:04 PM | #24 | ||
Quarry Creeper Join Date: Dec 2009 Location: Central IL
Posts: 282
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Quote:
Pirate thread of Dustin describing the method used to fill the tires http://pirate4x4.com/forum/showthrea...ht=water+tires Pic of Becca's WERock comp buggy Read post #7 and #10, they run 75% full for comp situations http://pirate4x4.com/forum/showthrea...ht=water+tires Another thread on it just for shits http://pirate4x4.com/forum/showthrea...ht=water+tires You'll find that most of the threads on it are a bit dated. That's because if anyone brings it up anymore they tell the fawkin newb to search since its been covered a million times. | ||
02-12-2010, 11:23 PM | #25 |
Rock Stacker Join Date: Oct 2009 Location: Arlington
Posts: 77
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I did not know that Becca Webster did this. I stand corrected. |
02-13-2010, 01:12 AM | #26 | |||
Quarry Creeper Join Date: Nov 2009 Location: gilbert az
Posts: 199
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By the way Some of the AZcrawler BTG buggies will out crawl many of the so called professionals . Jake Last edited by jr104; 02-13-2010 at 03:38 AM. | |||
02-13-2010, 01:31 AM | #27 |
Pebble Pounder Join Date: Sep 2008 Location: New Zealand
Posts: 183
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Politics and competitions aside lets get back on topic. Wheel vs Axle. Yes I can see that in the 1:1 world in the tire would be good for two reasons. 1. Easy to hide 2. No foam to deform or work around. Back to the whole weight issue. I did a lot more testing today with the rig on a wire. Battery in hand and a light flex cable to the esc and zip-tied to the chassis rear. Should have taken a pic as it would have looked funny with me chasing the crawler 6 feet behind. I did a lot of suspension work today and ran it on the "test-board" in the workshop and out on the rocks too for a bit of real world driving. I have got to the point where 4oz on the axle, 2oz each side near the knuckles is plenty enough for me. This has come down from 8oz yesterday. Suspension geometry is the key and then shock/spring loaction, oil which is only a damper is last. I am on duty for the next few days and will wait for the Lipos to arrive and then will do a lot more testing to see where I am at. I know that 90deg vertical is not realistic but aiming for it is fun. |
02-13-2010, 01:42 AM | #28 | |
Quarry Creeper Join Date: Nov 2009 Location: gilbert az
Posts: 199
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Jake Last edited by jr104; 02-13-2010 at 01:45 AM. | |
02-13-2010, 07:25 AM | #29 |
RCC Addict Join Date: Nov 2006 Location: Lowell, Arkansas
Posts: 1,307
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Weight in the wheel can also create the gyro effect, which can be used to your advantage. This morning on Xtreme 4x4 they had Shannon Campbell on, and they claimed there was 300 lbs of shot in the tires, but that they were going to experiment with water for next season. Jessi was on the show, so that episode was a year or more old. |
02-13-2010, 07:29 AM | #30 |
Newbie Join Date: Jan 2010 Location: Pauline
Posts: 3
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i run 3oz. in each front tire. and have a 2s lipo on the rear upper arms. that seems to work for me. but i dont do comps i just do it for fun
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02-13-2010, 08:13 AM | #31 |
RCC Addict Join Date: Jan 2010 Location: Lafayette
Posts: 1,077
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Hey Simon, what kind of angle were you able to pull on your incline board with the Nimh batt vs what you are able to achieve now running 2 oz each side after tuning? Have you mapped out your suspension, figured out where you are with antisquat, roll center and axis? |
02-13-2010, 11:31 AM | #32 | |
Pebble Pounder Join Date: Sep 2008 Location: New Zealand
Posts: 183
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A few days ago I did map out my geometry and have since moved it a bit without updating my drawing. At a guess I have a bit of antisquat in the rear with a bias to the left to stop that side squating and lifting the right front. I will plot it all out again in the next few days and see where I am at. One thing is for sure with my rear link setup the IC is a long way forward of the front wheel when it meets the Neutral antisquat line that runs from the rear up through the CG-front wheel intersect point. I'll see if I can do a paint on a photo and get it up in my Creeper thread soon. | |
02-14-2010, 11:46 AM | #33 |
I wanna be Dave Join Date: Sep 2005 Location: Houston, TX
Posts: 16,952
| Haha....ya know what's funny. Ian, from Xtreme4x4 must have been reading through this thread, because yesterday they replayed an old episode that showed Shannon Campbell's old buggy (the red one before he was picked up by Monster) and he went through a fairly detailed explanation of how he currently ran 300lbs of buckshot in each tire and was experimenting with water. At the time (2006) he was the top driver....now, I am not sure if he is still the top, but he's up there.
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02-15-2010, 07:01 PM | #34 |
Newbie Join Date: Feb 2010 Location: Signal Mtn.
Posts: 36
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I personally have competed in werock events and know for a fact people run lead in there tires for example Randy Torbett runs so much lead in his front tires you can not roll them when there off his buggy and he was the world champ a couple years ago , I would say that's pretty notable not to flame you but If you don't know what your talking about you shouldn't try and act like it N8
Last edited by signalmtncrawler; 02-15-2010 at 07:04 PM. |
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