jpx

I bought a ORCA TX 13.5T to race in 13.5T blinky TC.
As I'm new to this class and I don't have any experience with this motor and there is the possibility of changing the motor timing, I wonder what is the best to start.
The motor is marked with 5 lines, at the line in the middle 10 deg are written second line to the left has a + and second line to the right has a -. (looking at the back of the motor; left side of the car)
Currently the motor is set to the line between 10 deg and -.
Gearing is 4.91
The racetrack I'm racing has one straight where I reach the topspeed, and it has several tight corners.
After 7 min runing the motor has less than 70 deg celsius at 20 deg celsius air temp.

Here are my questions:
- which direction of changing the timimg will give more topspeed?
- which direction of changing the timimg will give more torque?
- should I change the timing for 13.5T blinky? in which direction?

Appreciate your help!
__________________
Greetings, Jan-Peter

Team Associated TC6.1wc

Odin544

iTrader: (93)

Most guys are running 1.5 to 2mm past the last timing mark in the + direction. I ran 2mm past the timing mark. More + timing for more top end. Less + timing for more low end.

jpx

understand.
This means you are running 5 mm more than me in the + direction.

What about the temperature of your motor when running 2mm past the + timing mark?

Odin544

iTrader: (93)

That will also be dependent on gearing, but I keep mine about 165 F after 6 minutes.

I've been told going over 2mm past the last mark just adds additional heat without any performance benefit. But I've never played with it past that point so I can't confirm.

Racing4Evo

iTrader: (2)

Yes 2mm past the last timing mark Is the sweet spot. gearing does not change for me. Keep the FDR at 4.1 and adjust timing to stay under 170F.

JayL

wow, 4.1 with the 13.5?

jpx

165-170 F (approx. 75°C) sounds perfect.
So I might even try to gear longer than 4.9 and go up to 2mm over the + mark and I'll just keep an eye on the temperatur - especially when it is warmer outside.

Thanks for your replies!

Racing4Evo

iTrader: (2)

Sorry, how long is this straight? My suggestion for gearing is based on a 20m straight.

jpx

the whole track has about 50x30 m - so I expect the strait to be at least 25m. btw: beautiful asphalt track!
I don't think, I will go as long as 4.1 as FDR.
But now I know, how I can play with motor timing and FDR.
Currently using FDR 4.9 and timing 1 mm between 10deg and minus mark I guess I still have some potential without having to worry about to long gearing or to much + timing.

jpx

just to give you some feedback:

two guys yesterday at the race had the same motor. They allways use motor timing 2mm past the + timing mark and had FDR of about 4.5 and said 4.3 should be no problem.

I set the same timing and went with FDR 4.7 and was happy about the speed. Temperatur was below 165F (75C) after 6 min at about 60F (15C) air; asphalt was warmer due to a wonderful sunny day.

Perezio

I'm running with my TeamMagic E4rs II EVO a 72/34 4.02 FDR, my motor SkyRC Ares Pro working good 55degrees, but I need a little top speed, I have to look for the equilibrium for don't loose the torque.

bertrandsv87

iTrader: (2)

I find it hard to go past 4.00 fdr gearing with my Novak Ballistic 13.5t(12.5mm rotor)... I run 3.94 fdr, and think I might try 3.75 fdr in the future... I run 30 degree timing though, never higher or lower...

Perezio

Great, I have a 12.5mm rotor too, then I think I can come to 3.9 with Ares Pro, but with my last SpeedPassion not because it very hotter with 4.02 was 75degrees with fan on sunny days.