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Wrangler YJ; Trial prototype
Topic Started: Nov 20 2009, 04:50 PM (743 Views)
mudzuki
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Hi,

time to show you another :jeepy: , somehow special by its conception. Initially I was on the way to build a Trial Truck in 1/14th scale, but sometimes thinks change.

The main idea was to do something different, more technical, something that requires brainstorming. So I managed to realise:

2-speed gearbox
diff locks front and rear
rear wheel individual brakes
independant 4-wheel height adjustment

on a 245mm / 9,5” wheelbased ( like a short XC-chassis ) vehicle. The whole built took 3 years, lots of trail and error, but in the final a well-working offroader. Biggest issue was space, 9 servos ( 5 standard size, 4 minis ) , the gearbox and the battery had to be integrated in the chassis.

Technical specs:

TLT axles with remote diff locks
RC4WD Mud Slingers
Robbe 2-speed gearbox
4 servos for height adjustment
Novak crawler esc + motor combo
7,4V 5100mah LiPo
Brixlcontrol 2,4Ghz Bluetooth Tx/Rx
Homegrown twin plate chassis

Pics of the first mockup, with Plexiglass chassis plates

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After a long time - I bought a house, priorities had changed – I found the time to continue the built. A provisory ( definitive ) chassis was cut, the axles, gears and servos went in their places.

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It’s a runner, finally. All electronics were installed and it was time to go for the first outdoor tests, without body of course.

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Turning circle: 67cm / 26”

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First Body-on shots, had an old, used and abused Wrangler body lying around

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Couple days later, sanding, a little paint and ready to go

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Suspension in Low position

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High-rider

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Sort of crooked, like the builder

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Test drive in the garden

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And a little video showing the function of the suspension and brakes

http://www.youtube.com/watch?v=KaDtkkTVi8I

That’s all for now, thanks for watching

Serge
Edited by mudzuki, Nov 20 2009, 04:50 PM.
A day without your Jeep is a lost day
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joe
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n00b
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hmm... very interesting!
i appreciate what you did, but i wonder if its actually needed.
when all is said and done, i think the center of the chassis is to low.
regardless, that is one awesome rig!
:yiaks:
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Jeep 4x4
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A wrangler man

Great jeep also, like the special chassis! Look so unreal with that plexiglass chassis. :nice: :jeepy:
It is no art to bought a jeep, its a art to live with it!
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WildTrial
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Need text here? I do it for 1$ donation.
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That's some sick flex. :nice:
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WT Films
RC4WD Team Driver.
LandRoversandRangeRovers LoL
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mudzuki
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Hi, thanks for your comments guys

@ Joe
Chassis isn't so low, it's somewhere between 1,5 and 2,5" depending of the needs. Center of gravity is low too.

@ Jeep 4x4
the plexi chassis was nice, but flexed too much sideways. I shreddered it on the first test run.

@ WildTrial
Flex isn't that much, about an Inch per axle, but with the servos you're able to climb on obstacles, that makes great fun.

Cheers, Serge
A day without your Jeep is a lost day
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eddievedder
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Sonic Reducer
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Very strange yet so very cool at the same time. Way to think outside the box.
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Jeeps, Jeeps, and more Jeeps...
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tutit
sahara
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thats a unique project ....keep up the good work :jeepy:
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vipxj
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rio grande
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So can you lift/lower each wheel independently by its self?

Kool ,airbagged wrangler.
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Jeep 4x4
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A wrangler man

tutit
Nov 24 2009, 03:40 PM
thats a unique project ....keep up the good work :jeepy:
X2 amezing work man! :nice:
It is no art to bought a jeep, its a art to live with it!
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tznutts
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that is quite impressive what is the purpose of the ride height change?
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