02-22-2014, 11:47 AM | #1 |
Pebble Pounder Join Date: Jul 2007 Location: Herent , Belgium
Posts: 110
| My ifs ultra4 racer
The inspiration for my build was the 2010 Dorkstar Hybrid . I still find this is one of the greatest builds ever on rcc . Here is the link to the original build 2010 Dorkstar Hybrid . My build is not as technical compared to the original but I decided to give it a try . I hope you guys like this build thread and credits again for RBgerrish for the original idea . Fist thing I had to do was transforming the traxxas hub carrier to fit the original wraith wheels Next was cutting the Slash 4x4 chassis in half and dremel the chassis to fit the wraith tranny Then start to make the bolt on chassis cage our cat Chuckles found it very interesting Had some sway bars laying around Made a skidplate Cage finished Painted and ready to roll Tomorrow is test day . Specs for now , original 20t motor on it with a tekin fxr esc . Trail arms are from a twin hammers . Savox servo . Waterproof spectrum receiver . Slash 4x4 front end with locked diff , wraith tranny with metal gears inside an wraith rear axle . Gonna switch to brushless power soon . Hope y'all like it |
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02-22-2014, 01:48 PM | #2 |
RCC Addict Join Date: Sep 2009 Location: sacramento
Posts: 1,977
| Re: My ifs ultra4 racer
i like the look great job |
02-23-2014, 02:29 AM | #3 |
Rock Crawler Join Date: Sep 2011 Location: FNQ Australia
Posts: 681
| Re: My ifs ultra4 racer
Great looking rig , just wondering how the diff gear ratios match up ?. A slightly overdrive front would be perfect but under drive front would cause some handling /steering issues. |
02-23-2014, 07:11 AM | #4 |
Rock Crawler Join Date: Sep 2011 Location: Sandusky, Ohio
Posts: 655
| Re: My ifs ultra4 racer
Great job man, looks great ! Surprised you put the battery in the back though.
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02-23-2014, 08:06 AM | #5 |
Pebble Pounder Join Date: Jul 2007 Location: Herent , Belgium
Posts: 110
| Re: My ifs ultra4 racer
The maiden test was ok . But indeed i have a steering issue . The servo is strong enough but all the steering power is absorbed by the servo saver of the slash front end i think . Next week i am gonna put the brushless power in it cause this thing is screamin for some extra power and speed . But overall , the maiden run was more then ok . Thanks for the possitive comments guys . Video of this hybrid coming soon
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02-24-2014, 09:27 AM | #6 |
Rock Crawler Join Date: May 2013 Location: Rancho Cucamonga
Posts: 665
| Re: My ifs ultra4 racer If my goggling is right, the ratio for the front is 2.846 and the rear (stock) is 2.923, so that means a 0.077 overdriven front. Not bad at all! |
02-24-2014, 09:49 AM | #7 |
I wanna be Dave Join Date: Oct 2007 Location: Castle Rock, WA
Posts: 8,785
| Re: My ifs ultra4 racer
Simple yet awesome. What body did you use? I think I missed it. Were you going to try a front sway bar? I run a front and rear sway bar on my 2.2 Ultra4 and really like it with light shock oil. IFS is a different beast, hence, my question. Also, what is your belly clearance like? ... Last edited by Szczerba; 02-24-2014 at 09:55 AM. |
02-24-2014, 12:52 PM | #8 | |
Pebble Pounder Join Date: Jul 2007 Location: Herent , Belgium
Posts: 110
| Re: My ifs ultra4 racer Quote:
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03-06-2014, 04:45 AM | #9 |
Pebble Pounder Join Date: Jul 2007 Location: Herent , Belgium
Posts: 110
| Re: My ifs ultra4 racer
Just put some Brushless power system in this traxial hybrid . Completely pastidipt the esc and I think 10.5 motor will do the job . It has some good speed now . Next Sunday is the second real test and mister go pro goes with me this time so movie time soon .
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03-06-2014, 06:05 AM | #10 |
RCC Addict Join Date: Jun 2013 Location: Port Saint Lucie, Florida
Posts: 1,050
| Re: My ifs ultra4 racer
Nice build!!
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03-06-2014, 10:21 AM | #11 |
Rock Crawler Join Date: May 2013 Location: Rancho Cucamonga
Posts: 665
| Re: My ifs ultra4 racer
Any review on the steering compared to a Wraith?
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03-06-2014, 12:18 PM | #12 |
RCC Addict Join Date: Jan 2010 Location: Vermont
Posts: 1,011
| Re: My ifs ultra4 racer
Great job. Looks super sporty. The nice thing about the Traxxas front end, is there are parts everywhere. And with a couple upgrades, they are bullet proof. My old p4de (which I regret selling) could take so much abuse. Curious too about the steering throw. |
03-06-2014, 02:58 PM | #13 |
Pebble Pounder Join Date: Jul 2007 Location: Herent , Belgium
Posts: 110
| Re: My ifs ultra4 racer
My Wraith has a lot more steering angle than this rig . But this thing drives completely different . Its really fun when driving at full speed on flat rough terrain and see those front suspension wobbling up and down . I heard a KOH contester saying these race cars are something between a short course a rock crawler and a rally car . Now thats exactly how it drives |
03-06-2014, 10:38 PM | #14 | |
I wanna be Dave Join Date: Jan 2006 Location: Corruptifornia
Posts: 12,107
| Re: My ifs ultra4 racer Quote:
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03-09-2014, 03:30 PM | #15 |
Pebble Pounder Join Date: Jul 2007 Location: Herent , Belgium
Posts: 110
| Re: My ifs ultra4 racer
Here is some video material of my new project , enjoy At the end of this session my on/off switch from the esc failed on me , it was the only thing that i didn't waterproof |
03-10-2014, 01:12 AM | #16 |
Rock Crawler Join Date: May 2007 Location: Salt Lake City
Posts: 977
| Re: My ifs ultra4 racer
Sick video!
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03-10-2014, 03:50 AM | #17 |
Quarry Creeper Join Date: Feb 2012 Location: Roseville
Posts: 300
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Sick build! "Just Scale It" |
03-10-2014, 12:34 PM | #18 |
Rock Crawler Join Date: May 2013 Location: Rancho Cucamonga
Posts: 665
| Re: My ifs ultra4 racer
Can you do a vid showing running through a pair of hairpin turns to show steering throw?
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03-10-2014, 01:48 PM | #19 |
Pebble Pounder Join Date: Jul 2007 Location: Herent , Belgium
Posts: 110
| Re: My ifs ultra4 racer
Don't need to make a video of that , I still need to fix that "servo saver" problem . I think I am block it with some epoxy glue or something . Gonna fix it somehow and then the steering trow will be much better .
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03-24-2014, 10:56 PM | #20 |
Newbie Join Date: Dec 2012 Location: Surrey, BC
Posts: 16
| Re: My ifs ultra4 racer |
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