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-   -   1.9 class J2-TT TLT, spare parts build. (http://www.rccrawler.com/forum/tamiya-tlt-crawlers/140362-1-9-class-j2-tt-tlt-spare-parts-build.html)

dieselfuel 10-18-2008 12:57 AM

1.9 class J2-TT TLT, spare parts build.
 
i started on this the night the 1.9 class was announced, i started digging through the spare parts boxes and came up with almost everything needed to build a 1.9 class rig. i narrowed a J2-TT chassis down to 2", cut my own skid for it and cut down the stock cross members. i cut out one side of the chassis for the motor to hang out a little, and drilled new shock mounts and upper link mounts for the front. im using 3Racing mini LST shocks with TLT rod ends on them to lengthen them a bit. just a spare 645mg will do the steering as it wont take much to turn the tires on this little thing.

i was gonna use traxxas slash turnbuckles for lower links, but then i found that stock TLT parts will work. and they're free! it took a while to get the 4 link right but now it works the way i want it to. it doesn't articulate much, only about 2 7/8" but it doesn't really need to in my opinion. the wheels and tires on it are not what will be used as they set the width at 8 3/8". so far i have spent NO money on this. i'll end up with 2s lipo batteries in it and possible a tekin FXR or micro mamba for an ESC and if i win this auction on ebay it'll be spektrum as well.

my custom skid
http://i303.photobucket.com/albums/n...DSC_0426-1.jpg
mockup shot
http://i303.photobucket.com/albums/n...e/DSC_0441.jpg
wheelbase... :D
http://i303.photobucket.com/albums/n...e/DSC_0446.jpg
roller
http://i303.photobucket.com/albums/n...e/DSC_0455.jpg
side view
http://i303.photobucket.com/albums/n...e/DSC_0457.jpg
nice and tight
http://i303.photobucket.com/albums/n...e/DSC_0464.jpg
flexy
http://i303.photobucket.com/albums/n...e/DSC_0467.jpg

Xtant3150c 10-18-2008 04:15 AM

Looks Really Good!

How/where did you mount the upper links on the axles?

shrek 10-18-2008 04:51 AM

that looks good scott, i'm thinking about doing the same thing with my sw3 and tlt axles.

dieselfuel 10-18-2008 09:07 AM

Quote:

Originally Posted by shrek (Post 1387537)
that looks good scott, i'm thinking about doing the same thing with my sw3 and tlt axles.

thanks man! im pretty happy for it being free so far, hahah!

Quote:

Originally Posted by Xtant3150c (Post 1387526)
Looks Really Good!

How/where did you mount the upper links on the axles?

here's the rear
http://i303.photobucket.com/albums/n...DSC_0460-1.jpg
the front uppers mount to the underside of the servo mounting plate, right up next to the axle case. the front mount used to be a fat-rock servo/link plate that stands the servo up vertically. i cut the top half off and drilled to lay the servo down.

i need a body but don't really know whats out there. im thinking about getting a clear rc18t body.

EeePee 10-18-2008 09:21 AM

That's funny looking! :ror:

That's really cool DF.

rckjeep 10-18-2008 10:00 AM

Nice looking rig. What body will you run? Also, I've always had to run the longer stub axles and 1/4" spacers to run 1.9's on my TLT axles. How did you make it work? Wheel part #'s, knuckles, etc.

dieselfuel 10-18-2008 10:17 AM

they're JP customs knuckles and hpi 6mm offset wheels. im gonna use 0mm offset wheels when i get the tires done. ill be running reduced m3 badlands.

rckjeep 10-18-2008 10:19 AM

Quote:

Originally Posted by dieselfuel (Post 1387729)
they're JP customs knuckles and hpi 6mm offset wheels. im gonna use 0mm offset wheels when i get the tires done. ill be running reduced m3 badlands.

excuse my ignorance in the offset dept, but will that make it wider or narrower? I've got some of those 6mm offset wheels, they don't have the outer bead which is why you are running the rock rings, correct?

I understand backspacing a lot better than this offest thing.

dieselfuel 10-18-2008 11:00 AM

backspacing is the offset from the wheels mounting surface to the outer bead. and yes these wheels have no outer bead, that's why these have rings on them and the ones that i will use will have rings as well. so a 0mm offest wheel would be 100% backspacing.

EeePee 10-18-2008 12:29 PM

Zero Offset - The plane of the hub mounting surface is even with the centerline of the wheel.

http://en.wikipedia.org/wiki/Offset_(wheel)

Offset is in relation to the centerline.

Backspacing is in relation to the inner lip of the wheel.

100% Backspacing would put the hub mounting surface all the way flush with the outer lip of the wheel. 0% would be flush with the inner lip of the wheel. Percentage isn't a correct measurement really...

Heyyyyy yoooo!

rckjeep 10-18-2008 12:57 PM

Quote:

Originally Posted by EeePee (Post 1387833)
Zero Offset - The plane of the hub mounting surface is even with the centerline of the wheel.

http://en.wikipedia.org/wiki/Offset_(wheel)

Offset is in relation to the centerline.

Backspacing is in relation to the inner lip of the wheel.

100% Backspacing would put the hub mounting surface all the way flush with the outer lip of the wheel. 0% would be flush with the inner lip of the wheel. Percentage isn't a correct measurement really...

Heyyyyy yoooo!

Thats the way I knew it. Backspacing is a measurement. For example I run
15" x 8" wheels on my Jeep with 3.75" backspacing. Not sure what the offset would be. Then the question is is it positive offset or negative?

EeePee 10-18-2008 01:44 PM

4 inches is the centerline of a 8 inch wheel. You're at only 3.75 inches backspacing, not even half way.

http://www.tirefactory.com/img/offset.gif

You're towards the brake side, which is a negative offset. And 5 millimeters is 0.25 inch.

8)

Sorry DF...

dieselfuel 10-18-2008 06:16 PM

jesus christ, good job polluting my thread fawkers!

kaetwo 10-18-2008 07:02 PM

Diesel I love it!!!!

It will be interesting to see how these TLT rigs stack up against the Losi's.

Well done!

8)

dieselfuel 10-18-2008 07:32 PM

thanks boss! im hoping it'll beat the MRCs popping up here in vegas.

here's some roller poser shots from today.
http://i413.photobucket.com/albums/p...y/DSC_0240.jpg

http://i413.photobucket.com/albums/p...y/DSC_0246.jpg

drumbeater 10-18-2008 07:49 PM

Will a tlt body be to big for it Scott?

dieselfuel 10-18-2008 07:51 PM

it would probably fit just fine, i just don't have any TLT bodies left.

rckjeep 10-18-2008 08:01 PM

Quote:

Originally Posted by dieselfuel (Post 1388237)
it would probably fit just fine, i just don't have any TLT bodies left.

funny how we had no use for them a few years ago. It looks awesome really. I've already considing cutting up my K2-5 to make a 1.9 Comp rig. Sorry about the questions. Mods feel free to delete the posts. Though they are tech.

drumbeater 10-18-2008 08:25 PM

Let me see if I have one here that I can send you.

kaetwo 10-18-2008 08:50 PM

Love the pics!

Pinch is going to dig this ;-)


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