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-   -   putting pullback tires on bit char-g (http://tinyrc.com/forums/showthread.php?t=12568)

eman1 07-27-2003 03:58 PM

putting pullback tires on bit char-g
 
I know there are posts about this, and i searched for them but couldnt find any :o .
I think i just have to pull off my old wheels, cut off a little of the axle, and put on the new wheels and glue them but i dont want to mess up.
Can someone point me towards a post or website that tells me how to do this?
Thank you

eman1 07-27-2003 10:27 PM

bump. how do you put on the rims?

nrmcj 07-27-2003 11:27 PM

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basically it's the same thing as a fullsize wheelmod and a smallsize at the same time.

1. twist the rear wheels off of the pullback. just twist, they'll come off

2. cut up the pullback knuckles so you can take out the front wheels with the pin undamaged

3. mount the wheels on a BCG axle, with the correct spacing

4. pull the front wheels out of the bit char-g knuckles, and put the pullback wheels in. you will need to make spacers to put between the wheels and knuckle.

5. put everything back together and you're done.

SkyLiNEz 4-eva! 07-27-2003 11:31 PM

WHOA! THAT IS A BAD A$* SUPRA! nice selection of wheels!:cool:

nrmcj 07-27-2003 11:36 PM

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lol thx. i screwed up that one wheel when i was doin it tho... it looks all fuzzy ... :(

here's a better-lookin pic...

anyone else got pullback wheels on their bits?

SkyLiNEz 4-eva! 07-27-2003 11:40 PM

That still looks hella tight. sorry about B4 in "alberta Modders"

Murcielago659 07-27-2003 11:42 PM

Sa-weet!!! I think I'm gonna do this on my next day off. What did you use for spacers?

nrmcj 07-27-2003 11:46 PM

skyline, you know i dont hold grudges. it's all good ^___^

murcie, on the rear wheels, they have these little spacer-ish thingies. a lot like the spacer on the non-drive wheel of bit axles.

basically, you gotta chop one of those off the pullback wheel to fit it flush against the gear. use that as a spacer, so dont maul it when you cut it off :p

you could also use the spacer that comes on the rear wheel of the bit axle as mentioned above.

if you've done wheelmods before, this is a breeze, but if not, take your time and think verrry carefully when doing it. i fixed one up for a friend last night, and it went tons smoother than the car you see here :).

*note: the front wheel wells must be shaved out a bit on the inside to let the wider rims turn freely.

SkyLiNEz 4-eva! 07-27-2003 11:51 PM

I do? just kidding. well im back and learned my lesson(considering that my account was almost terminated).

that is an awesome mod. thx 4 d info on it. i might try dat. you know what would be bad A$$? if they had spintek rims optional. that would look so tight!!!!!!!!

Murcielago659 07-28-2003 12:16 AM

I don't think spinners would work too well. The only reason why they work as well as they do on real cars is because they're so heavy and they're mounted on ball bearings. You could theoretically have ball bearings that small, but it'd be really expensive to make, plus maintaining them would be a real pain. I've heard of real ones getting gummed up with road salt, dirt, ice, you name it. Just imagine how much dirt your bit picks up. Now think about having that dirt in your expensive spintek knockoffs :)

SkyLiNEz 4-eva! 07-28-2003 12:26 AM

good point. but it would still look hella tight on a dead MS or BCG if it was just 4 show and not 4 go. you know, like a model car.

Murcielago659 07-28-2003 12:34 AM

Yeah, I think that would be pretty cool. But I won't be the one to do it :)

Murcielago659 07-28-2003 12:38 AM

Back on topic, Pie, I hope you realize there's gonna be a lot more bits with pullback wheels on them now :)

SkyLiNEz 4-eva! 07-28-2003 12:41 AM

yeah, me either. but the problem with putting them on a dead car would be avoiding the point. you want them to spin while driving, but on a dead chassis, they cant do that very easily. you'd have to make, like, a FrankenMicroSizer or a FrankenBitchar-G, and that would just be retarded, cause youd have to spend the rest of your life in a little hole 10000 feet below the surface of the earth because people would come looking to kill you for creating a monster. they should have a thing like monster garage for BCG's and MS's and call it "Monster Micro"

dr1zz 07-28-2003 12:44 AM

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IMO pullback wheels are nice, they help reduce the flip action of high rpm motors, and they make tighter turns.....very sticky....

Murcielago659 07-28-2003 12:49 AM

Yeah, that's what I'm hoping for. Ever since I put my 4.2 pro in it seems like all it does is flip. I have to let off the boost WAY before I can turn it otherwise it's flip time. The really bad part is with my range mods it's usually all the way across the room when it does it, and a lot of the time I just don't feel like getting it.

SkyLiNEz 4-eva! 07-28-2003 12:51 AM

dude that is awesome. did you make that audi Nuvolari body? that is wicked! although i am a bit concerned with the intake outlets in the bumper. they dont look like the ones in the real concept car. that would be sweet if they made it. 600 hp V-10....Goddamn....I WANT ONE!!

SkyLiNEz 4-eva! 07-28-2003 12:54 AM

im using my car on slick wood floor and whenever i hit boost it drives, does a 360 and keeps going and does that every 2 feet. what surface should i try it on?

nrmcj 07-28-2003 01:01 AM

lol, yeah murcie, i know :)

personally, i like the thinner spokes of tuner-look rims, ie. volk TE37s, the new enkei's, and some of the older OZ racing rims, but that black, thick 5 spoke design aint all that bad either ^__^

the handling is helped a LOT... less flips, more grip, but the main drawback to this mod is that the tires are TOO sticky. they pick up crap like mad, and u gotta race on a perfectly clean surface, or those tires are gonna pick up every damn speck of dust there is :mad:. still, less flipping = less paint scratched off my supra.

damn man... drizz you pwn with the custom bodies.. do you freehand putty? or use tools...? (lefttoe on bitpimps rite?) i did some freehand putty lips the other day... waiting for a contest to bust it out tho ;)

skyline, clean them tires... and the floor.

Good Luck with the mods dudes!

SkyLiNEz 4-eva! 07-28-2003 01:04 AM

they are both cleen. what surface should i drive on to try the wheelie? the wood is too slick

dr1zz 07-28-2003 01:14 AM

yea, im lefftoe in da hood........

http://lefftoe.tripod.com/nuvo/
the nuvo was a skyline i chopped up and slammed for the bitpimps contest.
took bout a week to make, and there are alot of details that i will add to it eventually....like a full chrome grille that im prolly gonna make outta solder.........and i can fit 3 surface mount leds in each headlight.......but i gotta a few other projects i wanna finish up....like an enzo zip thats in the works.......

Murcielago659 07-28-2003 01:21 AM

My car wheelies best on my vinyl topped card table. I just back it up with the boost on and then jam it forward and it'll do it the length of the table.

Edit: I've also found that the body you use really affects the way it wheelies. My ferarri does it best, I guess it's just top heavy enough to do it. My RX-7 body doesn't do it as well, but I still get a pretty good hop out of it. And finally, my NSX pullback body is somewhere in between.

eman1 07-28-2003 07:46 AM

Can you please explain in depth the spacer idea?
Was there a spacer on the stock rear axle? Because last week both rims came loose on the axle, so i reglued them, and they wiggle a tiny bit to the left and right. Like there should be a spacer there but there isnt.

so you put the pullback rear rims on the stock rear axle, and you put the pullback front rims with its own pin in the bit char-g knuckles. right?
Why cant you just use the pullback knuckles?
And how do you get the bit char-g rims off the bit char-g knuckles without wrecking everything?
sorry for all the questions, and thanks for all the replies and pictures!

CaboWabo 07-28-2003 11:01 AM

here's an article I wrote about installing pullbacks on your bit, should help.

nrmcj 07-28-2003 11:04 AM

hmm, pool table = best surface ever... but if your tires are clean, you should be able to pop wheelies anywhere, provided you have the power. if i use water to clean my tires, i can lift the front end when running on a glass table :)

lol, damn drizz.... nice work.

eman: basically, the spacer that you want is for the front wheels. when you pull the pullback wheel off, there will be a black extra part on the inner edge of the wheel, that the axle fits into. you should cut one of them off so that the wheel sits against the gear. the other one, leave it on. The spacers are not for the rear wheels, they are for the front wheels. they should be about 2 millimeters thick at most.

you will have to cut the rear axle a SLIGHT bit on both sides to have the pullback wheels sit at the correct spacing to hug the body, but allow it to spin. simply make a mark where you want the rim to be, and cut/sand down the axle to the correct length. NEVER cut it too much at a time tho.

The front pullback wheels go on the front bit knuckles. you cant use pullback knuckles because they're not the same thing, and arent going to work with the steering arm in the bit.

to get the wheels and pins out, im sure there's a tutorial kicking around at bitpimps, but in short, find a stack of paper that's been hole punched, get a nail and a hammer, and bang the pin out of the knuckle. If you are using TOMY knuckles, this takes time, as well as patience. i killed many a knuckle last nite :P. if it's a clone, then it's a LOT easier.

hope that helps :)

*Edit: daaaaaamn cabo... if i knew you were gonna post that link, i wouldnta wrote this essay... lol

CaboWabo 07-28-2003 11:09 AM

lol @ Pie, just think though... your typing skills are that much better! :p
plus it never hearts to hear it explained another way ;)

eman1 07-28-2003 06:23 PM

thanks.
just one think i dont quite understand is the spacers. You cut off the one on the wheel that goes up against the gear, but leave the one on the other side right.
Then for the front, what kind of spacers do i need?
I will be putting the front pullback rims on the front of my bit char-g. Do i put any spacers or not?

eman1 07-28-2003 06:24 PM

and where can i get the pullbacks for a good price in the usa?
I found this place http://www.merchantmanager.com/jspec....ASP?pageno=47

eman1 07-28-2003 07:53 PM

i understand the rear end with pie's simple instructions. Can i please have a close up picture of the spacer you put on the front end?
do you only need the spacer when you put the rear pullback wheels on the front, or do you need it no matter what?

SkyLiNEz 4-eva! 07-28-2003 09:51 PM

i think u need it no matter what.

CaboWabo 07-28-2003 10:15 PM

yes, you want spacers on the front

SkyLiNEz 4-eva! 07-28-2003 10:34 PM

but does it really make a difference? i mean, if u dont have spacers? if you dont have them, what will happen?

Murcielago659 07-28-2003 11:31 PM

I imagine that the wheels would flop back and forth on the pin, causing erratic handling. Just do the spacers the first time, it'll save you having to take it apart again to put them on.

CaboWabo 07-29-2003 12:33 AM

yea, it makes a difference.

using the front pullback wheels on the front of your bit without spacers would cause it to rub on the chassis. it would do this because you could push the pin in so far (so you don't get that "flop" Murcielago is talking about) that it would cause the rims to rub on the steering arm and then the tires would rub on the chassis.

if you use the rear pullback wheels for the front, you can just keep the spacers on the rear pullback wheels as they come and slap them on the front of your car and then all you need to do is trim down the front wheel wells of a body just a bit.

eman1 07-29-2003 08:10 AM

I think i will be putting the front pullback wheels on the front, but maybe i will do the fullsize wheel mod. I'm not sure now. :(
So if im putting the front wheels on the front, i have to find a spacer around 2mm thick right?

2fast2furious59 07-29-2003 08:42 AM

i dont know of the size but i know that you do want a spacer if you want to turn correctly

CaboWabo 07-29-2003 09:15 AM

yea eman, I'm not sure of the exact size, but yea that sounds about right.
just enough so when you put on the wheels, they don't rub against the chassis or steering arm.

nrmcj 07-29-2003 11:11 AM

hmm, sorry about not bein around to help out, had to go to work last nite...

well i snapped some pix yesterday, they're not that great, but they'll give you an idea of what's going on. when i get home, i'll post them.

you can use the rear wheel spacer, as well as the spacer from the rear wheel on the bit char-g axle. they're different colors and different sizes, but they can be sanded to the same thickness.

murcie and cabo are correct on every count. do it right the first time, so you dont have to go back and risk busting the knucke open. it's all about the patience :)

eman1 07-29-2003 02:20 PM

Quote:

Originally posted by Pie

you can use the rear wheel spacer, as well as the spacer from the rear wheel on the bit char-g axle. they're different colors and different sizes, but they can be sanded to the same thickness.


hmm. so you mean the spacer from the right rear pullback wheel, and the spacer from the right rear bit char-g wheel?

CaboWabo 07-29-2003 10:12 PM

that's what he means...
don't let it intimidate ya - it's not that complicated


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