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

phatboislim 01-23-2019 09:38 AM

question...how often are you guys swapping out springs?

Hopscotch 01-23-2019 12:38 PM

Going over my notes I found myself changing them once a season or if they are different in height.

silden 01-23-2019 02:27 PM


Originally Posted by phatboislim (Post 15381161)
question...how often are you guys swapping out springs?

I usually swap the spring when they have sag to much like 0.5 mm differents between left and right.
you should try to match the length to prevent any uneven roll.

DesertRat 01-23-2019 06:10 PM

One thing about truing tires that I learned recently, if you cut the edge of your tires on a 45 degree bevel all the way to the plastic of the rim as opposed to rounded or vertical it gives a better feel. I tried this on both fronts and rears and the car was noticeable more forgiving.

DesertRat 01-23-2019 06:11 PM


Originally Posted by phatboislim (Post 15381159)
i personally glue then true. otherwise my glue job would look like turd pebbles

Use a bottle with a brush.

https://cimg4.ibsrv.net/gimg/www.rct...5f14f7c37f.jpg

hanulec 01-23-2019 07:18 PM


Originally Posted by AngryRog (Post 15381103)
Are you gluing and then truing to size? Running the tire square edged or rounding after glue?

Glue then cut is hard as if glue chips off what do you do? Or how do you re-glue tires

Cut then glue takes a lot of skill. You need to test the edge to ensure it's hard everywhere

Wish this was easier

Racermac73 01-23-2019 08:12 PM

I have the best luck when cutting twice. If I want tires to be 40mm then I cut around 40.3, glue, cut to 40. Glue stays good with a nice edge. When I glue and make 1 thick cut half the glue flakes off.

trilerian 01-23-2019 08:53 PM


Originally Posted by hanulec (Post 15381514)
Glue then cut is hard as if glue chips off what do you do? Or how do you re-glue tires

Cut then glue takes a lot of skill. You need to test the edge to ensure it's hard everywhere

Wish this was easier

Actually I find gluing 1/12 tires to be extremely easy. I use a medium ca, and I put a bead on half of one tire then grab my other tire and rub them together. Spray with kicker in a cup, then apply another coat of glue. You can apply as many coats as needed, but this method works great. Put glue on sparingly however, or you will build up a bit on the inside of the rims.

antlockyer 01-24-2019 12:47 AM


Originally Posted by DesertRat (Post 15381460)
One thing about truing tires that I learned recently, if you cut the edge of your tires on a 45 degree bevel all the way to the plastic of the rim as opposed to rounded or vertical it gives a better feel. I tried this on both fronts and rears and the car was noticeable more forgiving.

I'd seen this on some Japanese drivers cars. I'd been speaking to a good driver in Europe about tyre rounding/prep and the general thought was that rounder was 'easier' or less edgy. What I do ensure on my own tyres is that rim is showing as I feel that the little bit of slip does make it easier, I wonder if that is why your 45 degree bevel feels that way. I'll give it a go myself and see if it feels different in our conditions.

iTz Nicholas72 01-24-2019 04:52 AM

I never have good luck when I glue then true. Always end up chunking the tire when glue chips off.

Perfer to true, round edge, then glue using the BSI medium CA In the green bottle. That wirh a nice fine point metal tip works great for me.

Might have to try the 45° bevel on my next set of Mod tires.

VanBee 01-24-2019 08:22 AM


Originally Posted by DesertRat (Post 15381460)
One thing about truing tires that I learned recently, if you cut the edge of your tires on a 45 degree bevel all the way to the plastic of the rim as opposed to rounded or vertical it gives a better feel. I tried this on both fronts and rears and the car was noticeable more forgiving.

This method interests me. I still race on grey carpet but have had experience with the black carpet glue requirement. I did not enjoy it and kept thinking there HAS to be a better way!
Any others have experience with the 45° bevel method?

DesertRat 01-24-2019 09:15 AM


Originally Posted by VanBee (Post 15381805)
This method interests me. I still race on grey carpet but have had experience with the black carpet glue requirement. I did not enjoy it and kept thinking there HAS to be a better way!
Any others have experience with the 45° bevel method?

I still glued the sidewalls on the fronts.

VanBee 01-24-2019 09:24 AM


Originally Posted by DesertRat (Post 15381839)
I still glued the sidewalls on the fronts.

So you 45° beveled the fronts and the backs?

phatboislim 01-24-2019 09:25 AM


Originally Posted by silden (Post 15381328)

I usually swap the spring when they have sag to much like 0.5 mm differents between left and right.
you should try to match the length to prevent any uneven roll.


Originally Posted by Hopscotch (Post 15381251)
Going over my notes I found myself changing them once a season or if they are different in height.

appreciate the input. i generally never swap out until i go to an event of some sort which could easily be 6 month difference


Originally Posted by iTz Nicholas72 (Post 15381685)
I never have good luck when I glue then true. Always end up chunking the tire when glue chips off.

Perfer to true, round edge, then glue using the BSI medium CA In the green bottle. That wirh a nice fine point metal tip works great for me.

Might have to try the 45° bevel on my next set of Mod tires.

i had that issue...until i changed my bit out

DesertRat 01-24-2019 09:51 AM


Originally Posted by VanBee (Post 15381852)
So you 45° beveled the fronts and the backs?

Yes. I used a sanding paddle to bevel it all the way to the plastic of the wheel, including a little of the wheel itself, and sealed the fronts with glue. It worked.


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