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-   -   1/12 forum (https://www.rctech.net/forum/electric-road/37-1-12-forum.html)

Hyper_Mike 12-10-2008 07:47 AM

I'm really new to 1/12th but I can tell you what's worked for me so far.

I run a 12R5 in Stock with basically the kit setup on it. Our club's indoor carpet track is EXTREMELY bumpy (it's laid over very poorly poured concrete) and I have found that I need to run 5-5.5mm. I usually run 5.5mm on the back and 5mm on the front and it seems to work quite well.

When I went to a larger regional race last month the track was much smoother and went down to about 4.5 on the back and 4 on the front.

Cheers,
Mike


Originally Posted by DriftDreamer06 (Post 5150097)
i would like to know what people think about ride height?

3, 4, 5, what height?

car level or front low or rear low?

anything else ????

i go to different tracks No permant home track. one track is smooth and 48x100 and gets grip. the other is bumpy and 48x75 and stays low on traction.
i run stock and maybe 13.5
cars are ff07 and bmi db12r

Racin'4-fun


Carl Giordano 12-10-2008 08:04 AM


Originally Posted by Trips (Post 5144572)
Well I held out as long as I could. I've been running brushless in my TC for a while, but I wanted to stay with brushed motors in my 1/12 car for as long as I could because the sight of all that wiring in a 1/12 car just didn't look right to me. After this last weekend I couldn't hold out any longer. Having the only brushed 1/12 car at the regional (Region 1) didn't bother me, but the power fade after only a few laps really did... I saw a post by Carl Giordano in the Speedmerchant Rev5 thread with some pics of a car that odpurple built for him, and it was clear that it IS possible to get all that wiring hidden away. I'm nowhere near the perfectionist that odpurple is, but I at least have a brushless 1/12 car that doesn't hurt me to look at. Here's my newly converted Flexi '07, the Tekin RS makes it pretty easy to get a nice tidy job... Can't wait to run it this weekend at the Toys For Tots race at 360 Speedway in Babylon, NY


Looks good Trips...see you at the toys for tots at 360 this weekend. Going to break-in the Rev 5. Not sure if ready to go with the 1c Lipo yet, as I'll have to re-wire the car but looks promising.

Trips 12-10-2008 08:04 AM

I run anywhere between 3 to 4.5mm ride height. For low grip situations I go more towrd the higher side of the range, also for bumpy conditions. Smooth and high grip I keep the car at the lower end.

Low in front makes for a more aggressive feel, low in back settles the car and makes it easier to drive. I'm usually running level or very slightly low in front.

Also related to ride height is pod sag and pod droop. Pod droop is how far the rear of the pod can go below level when the shock is fully extended. You adjust this be lengthening or shortening the shock. I usually start off with the rear edge of the pod drooping around 1mm from dead level. Lengthening the shock slightly for more droop helps the car turn in more aggressively and is nicer on bumpy surfaces.

Sag is how low the hinge line between the pod and main chassis rides when the car is sitting on its wheels at full race weight. You adjust this with the spring collar on the shock. More preload = less sag. I look for my car to be level at the hinge line or very slightly low, maybe a half to one millimeter.

When the car is sitting on its wheels, I'll grab the rear body posts and lift. Between the sag and droop I can lift the rear body posts about a millimeter and a half before the rear wheels come off the ground.

isuzuguy 12-10-2008 01:31 PM

pod droop
 
hey trips duz that also work for t-bar cars (the lifting of the rear body mounts )

DriftDreamer06 12-10-2008 10:07 PM

thank you for your replies. i will be back with more question but for now THANK YOU

Racin'4-fun

chris moore 12-11-2008 03:47 PM

Parma tire ?
 
So for those who prefer the Parma tires over the Jaco's, what compounds have you found to work well for asphalt and which for carpet? I've allways used the Jaco but might want to get a set or two just to try.

Thanks
Chris

InspGadgt 12-11-2008 04:00 PM

I haven't tried the new Parma tires yet but would like to. Personally I prefer the CRC High Roller rim but at the price I get Jacos, I just gotta run them.

Trips 12-11-2008 04:18 PM


Originally Posted by Carl Giordano (Post 5150268)
Looks good Trips...see you at the toys for tots at 360 this weekend. Going to break-in the Rev 5. Not sure if ready to go with the 1c Lipo yet, as I'll have to re-wire the car but looks promising.

Looking forward to seeing you G... it's been WAY too long...

David

Trips 12-11-2008 04:21 PM


Originally Posted by isuzuguy (Post 5151362)
hey trips duz that also work for t-bar cars (the lifting of the rear body mounts )

Absolutely... A t-bar car will usually run a lighter spring on the shock because the t-bar supports some of the car's weight, but other than that the sag and droop are going to be similar.

Trips 12-11-2008 04:31 PM


Originally Posted by chris moore (Post 5156182)
So for those who prefer the Parma tires over the Jaco's, what compounds have you found to work well for asphalt and which for carpet? I've allways used the Jaco but might want to get a set or two just to try.

Thanks
Chris

On carpet, I've been using grey rear and coral front, I also recently tried coral rear with magenta front at Mike Haynes' suggestion and REALLY liked that combo. The carpet was really grippy that day, and the coral rear magenta front combo was aggressive and fast, with no hint of traction rolling. Thanks Mike!

On asphalt, (360 pulled up the rug last summer and we raced on the asphalt underneath) I ran magenta rear and purple fronts. Worked very nicely. 360's asphalt is ultra smooth and grippy... you might want to look at something different outdoors, or for less pristine asphalt... maybe pink rear with purple or magenta fronts to get the balance where you like it.

CarlosG. 12-11-2008 04:33 PM


Originally Posted by chris moore (Post 5156182)
So for those who prefer the Parma tires over the Jaco's, what compounds have you found to work well for asphalt and which for carpet? I've allways used the Jaco but might want to get a set or two just to try.

Thanks
Chris

Well, when I run Parmas on asphalt out here in San Antonio, I use magenta fronts and pink rears.Also sometimes run purple fronts when tractionis high, but most of the time purples would make me push.

Tubaboy 12-11-2008 05:47 PM

Yeah here in Wy on asphalt, pink rears and purple fronts are the ticket. Magentas also work up front, but wear faster and don't seem quicker at all based on the laptimes.

PB

D DOG 12-11-2008 08:32 PM

I NEED A YARIE FLEXI FLYER FF1000 12TH SCALE PAN CAR
 
HEY GUYS !!
I AM PUTTING THE WORD OUT!!

I NEED A FLEXI FLYER CONVERSION KIT (#ff1000)O7 OR NEWER
DOES ANYONE KNOW HOW TO GET A HOLD OF YARIE THE DUDE WHO MAKES THIS CAR OR HAVE HIM CONTACT ME AT 9704129315

IF YOU CAN PM ME THE INFO I NEED ONE BAD!!

I TRIED TO GET ONE THRU STORMMER HOBBIES AND THEY ARE OUT AND DOESNT LOOK LIKE THEY ARE GOING TO GET MORE ANY TIME SOON. BOB OVER THERE SAID THEY DIDNT SELL VERY WELL SO THEY MAY NOT STOCK THEM IN THE FUTURE
I HEARD ALOT OF GOOD THINGS ABOUT THIS CAR
PLUS I FOUND OUT THEY MAKE A TOP POD PLATE CONVERSION SO YOU CAN RUN THE NEW 12r DAMPNER SHOCK SET UP!! WHICH IS WHAT I NEED!!
HOOK A BROTHER Upp!!

THANX D DOG :tire::nod::D

Scottrik 12-11-2008 09:07 PM


Originally Posted by D DOG (Post 5157332)
HEY GUYS !!
I AM PUTTING THE WORD OUT!!

I NEED A FLEXI FLYER CONVERSION KIT (#ff1000)O7 OR NEWER
DOES ANYONE KNOW HOW TO GET A HOLD OF YARIE THE DUDE WHO MAKES THIS CAR OR HAVE HIM CONTACT ME AT 9704129315

IF YOU CAN PM ME THE INFO I NEED ONE BAD!!

I TRIED TO GET ONE THRU STORMMER HOBBIES AND THEY ARE OUT AND DOESNT LOOK LIKE THEY ARE GOING TO GET MORE ANY TIME SOON. BOB OVER THERE SAID THEY DIDNT SELL VERY WELL SO THEY MAY NOT STOCK THEM IN THE FUTURE
I HEARD ALOT OF GOOD THINGS ABOUT THIS CAR
PLUS I FOUND OUT THEY MAKE A TOP POD PLATE CONVERSION SO YOU CAN RUN THE NEW 12r DAMPNER SHOCK SET UP!! WHICH IS WHAT I NEED!!
HOOK A BROTHER Upp!!

THANX D DOG :tire::nod::D

Since Jari isn't "local" anymore I kind of doubt he'll be at Minot this weekend. I know Mitch and Randy will have contact information for him.

Trips 12-11-2008 09:08 PM

ddog,

You can contact Jari several ways... his website has a contact link, the website is HERE

Or you can email him directly at [email protected]

Jari is GREAT to deal with, and makes a sweet car... you will LOVE it.


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