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Thread: Formula off-road "Wild Wheely"

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Old 02-25-2009, 02:07 PM   #141
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Hey SnoopMaxx, have you ever thought about a brushless setup in your WK? I was thinking about going in a similar direction with my WK as you did. But I was thinking more of a jeepspeed look. Keep the solid axles and 4wd, extend the wb, get bigger tires and a fast motor. I'm sure with a brushless setup you could fly up the hills. You would probably want a low kv motor so you wouldnt be outta control all the time, but with the extended wb it should be easier to control. Plus driving in sand helps a lot to keep the wheely's down as it allows the wheels to slip more... make any sense? What do you guys think?

Last edited by TOMS97ZJ; 02-25-2009 at 02:16 PM.
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Old 02-25-2009, 03:26 PM   #142
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Well that is what I all ready did

Oh an I build my Foff after the Finland Modified Foff rules

Quote:
Modified Rules:

- 2ws only
- Max WB 34cm (approx. 13.4")
- Max cell voltage 13v (fully loaded! = fe. 3s lipo = 12.6v)
- 2.2 tires only (wheels could be bigger than 2.2)
- car looking body/tuber required

Everything else is up to you.


I use a 3500 Kv motor and a VXL-3s


With out body panels
showing the battery, ESC and BL motor


Top speed is around 30 Mph
with the MudSlingers

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Old 02-26-2009, 12:45 AM   #143
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now this i could get into for hillin'.
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Old 02-26-2009, 02:03 AM   #144
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I guess I should pay more attention eh, lol I wanna run a similar setup on my WK. Maybe a little longer, but I am not into doing comps, just for fun...
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Old 02-28-2009, 11:11 AM   #145
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The World Championship R/C Foff was planed to take place here in Denmark but was moved to Finland
So I canīt participate :-(

My WB right now is only 12.5 "
I may stretch it out to 13.4"


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Old 02-28-2009, 01:17 PM   #146
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Aww man, thats a bummer...

Hey I was looking at the Mamba Sidewinder motors, either the 4600 or the 5700, those should give me a decent amount of power for flying through sand and up dunes right?
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Old 02-28-2009, 02:14 PM   #147
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Cyberdog is using a MMM V3 and a 5700kv Dynamite C4
2x 3s 2800mah lipo
He had a Sidewinder but it got very hot
http://www.youtube.com/watch?v=ojAFpmfKigY

Here is my new gearing Mod 1 38T/22T



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Old 03-03-2009, 10:52 AM   #148
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Default no foff

wow that sucks u live 4 the foff hu? ive been watchin previous years on u-tube looks like alot of fun sorry u have to miss it. well im goin to get a brushless today. I'm probably goin to thrash my tranny tho cause im gettin a fast one. any suggestions? lookin 4 speed but still have some torque 4 the dunes. oh yeah i posted a vid on u- tube crappy quality tho.
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Old 03-03-2009, 11:53 AM   #149
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I use a VXL-3s and a 3500Kv motor but some of the fins use 7700Kv 3s all the way up to 2200Kv 6s


I saw the vid and I talkīt to two guys from Finland
They are coming to Denmark on June 13 to make an exhibition show during the 1:1 Foff championship race

I am building a 45cm WB Foff E-Maxx and I hope I will be finished before the 1:1 foff race
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Old 03-03-2009, 01:19 PM   #150
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Nub question. Can i build up one of these with the traxxas tranny? Would I need to silly putty the diff to make it work right? could I start with the flm/rem pede chassis as a base?
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Old 03-03-2009, 04:03 PM   #151
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You can use any 4x4 buggy or truggy with paddle tires
I use a īPede tranny with a locked diff
You can also use a spool like Cyberdog did
The īPede chassis may not work īcos you need 4wd
to get to the top of those hills

A few Vids of R/C Foff
http://www.youtube.com/watch?v=3gGei...e=channel_page

http://www.youtube.com/watch?v=myfGE...eature=channel

http://www.youtube.com/watch?v=dgbMx...eature=channel

Finland Foff vids
http://www.youtube.com/watch?v=vDhRchKqdtI

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

http://www.youtube.com/watch?v=cC4siP6VpQ0

http://www.youtube.com/watch?v=x3mnx9MMgls


This is Cyberdog
http://www.youtube.com/watch?v=KXUbINI8f3M

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

And 1:1 Foff
http://www.youtube.com/watch?v=-vXA3Jbz5Dk

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

This is just some of the cars I have seen used in Formula Off-Road
2.2 class
AX-10
Wheely King
Tamiya CR-01
HBX Bonzer

Unlimited class
1/8 Truggy
E-Maxx
E-Revo
E-Savage
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Old 03-03-2009, 09:00 PM   #152
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Default brushless finally

Quote:
Originally Posted by SnoopMaxx View Post
I use a VXL-3s and a 3500Kv motor but some of the fins use 7700Kv 3s all the way up to 2200Kv 6s


I saw the vid and I talkīt to two guys from Finland
They are coming to Denmark on June 13 to make an exhibition show during the 1:1 Foff championship race

I am building a 45cm WB Foff E-Maxx and I hope I will be finished before the 1:1 foff race
back from hobble shop got a sidewinder 5700 kv motor and the esc came with it. im installin 2nite. wish my tranny good luck 2morrow lol.

couldnt wait i put the stock wheels & tires on, took it out on the road and amazing. never thought when i bought that little truck that i would ever see it move like that!!!! quick ? it was clickin real bad if i got on it to hard 2 rast. i think its the diffs. b4 i locked them it clicked with the 17 t. when i locked the diffs i put them back opposite front in back. u get it. but the clicking stopped after that until now. so diffs or tranny educated guess?

Last edited by chongdigga; 03-03-2009 at 11:10 PM.
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Old 03-04-2009, 11:24 AM   #153
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No need to guess
It is the twin idler gear in the tranny
I is assembled with a spring and acts like a slipper

You have a few options to solve it
1: steel gears from RC4WD or CKRC
I made my own gears


2: lock the idler gears together so they wont slip

3: replace the plastic gears every week

I now use a īPede VXL tranny
it has steel gears as stock

Ooh and this is my WK with Jug2 axles
I replaced nearly all of the parts on my WK
and then reassembled it again LOL

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Old 03-04-2009, 11:45 AM   #154
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THnx Snoop!!!
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Old 03-04-2009, 02:02 PM   #155
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Any time dude
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Old 03-05-2009, 12:07 PM   #156
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hey snoop thanx 4 the info. i ordered my gears from ckrc 2day and heavy duty final drives. i should b back on the beach by mon. did u like my vid? u can hear the tranny disintegrate lol
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Old 03-05-2009, 03:30 PM   #157
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Yup I saw your vid

Do remember to post a few picīs of the new gears and tell us how you like them
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Old 03-05-2009, 04:01 PM   #158
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no problem. ill post em soon.

p.s. its pretty quick hu?
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Old 03-05-2009, 05:26 PM   #159
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Quote:
Originally Posted by chongdigga View Post
no problem. ill post em soon.

p.s. its pretty quick hu?

Yup

My WK has a topspeed of around 25 MPh
with a 22T/38T Mod 1 gearing



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Old 03-05-2009, 05:44 PM   #160
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damn ur tranny looks bullet proof!! i hope mine holds up because that side winder is evil. any new videos coming from u ?
oh yeah i read somewhere that its good to leave the spur gear stock plastic so that it is the weakest point of the drivetrain,and you would want that to break b4 anything else because they r cheap and its a quick fix. true or false ?

Last edited by chongdigga; 03-05-2009 at 05:52 PM.
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