R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Reply
 
Thread Tools Search this Thread
Old 01-25-2010, 07:27 AM   #11161
Tech Elite
 
razzor's Avatar
 
Join Date: Aug 2005
Location: Durban, South Africa
Posts: 2,810
Default

locally we started running 13.5 and 17.5 in the same class ie: superstock.
13.5 runs a 100grams heavier.
I ran a sp 17.5 with the rest of the guys running 13.5 and i managed to qualify 2nd.
In the final i was 3rd but unfortunately i forgot to put in a transponder
The new software is absolutely awesome !!


Ran on a 47mm rollout
__________________
Casterracing ZX1.5R
casterracing EX-1 Pro, SP Silver Arrow
TOP Racing Scythe, SP 17.5, SP GT Pro 2.0
TOP Racing Scythe, SP 4.5 V2, Hobbywing Xerun 120SD 2.0
TOP Racing Scythe, SP 13.5, Hobbywing Xerun 120SD 2.0

Last edited by razzor; 01-25-2010 at 08:33 AM.
razzor is offline   Reply With Quote
Old 01-25-2010, 07:57 AM   #11162
Tech Elite
 
JLock's Avatar
 
Join Date: Nov 2001
Location: North Dallas, TX
Posts: 4,455
Trader Rating: 3 (100%+)
Default

Tested some different settings, gear ratios, etc at my local track yesterday. As listed a few pages back, watch it when you are readjusting the start/end rpm range settings. At one point, I changed mine to 13000 start/2900 end and double checked it before putting the car on the track. Car ran fine for about three laps and then started running a little sluggish for about two laps. Pulled the car and checked my setting and the start/end rpm range reset itself to 4500 start/3507 end. This is what happened to me about three weeks ago and caused me to burn up a brand new Checkpoint 17.5. So, I will stress to everyone to double/triple check your settings before putting your car on the track, only running a few laps (3 to 7) and check your settings again. This could save you from frying a motor.

I am currently running a Novak 17.5 Ballistic in my Cyclone TC. I retarded the timing one hash mark below neutral. I dropped two teeth on the pinion and added one tooth on the spur. I did some slight bumps to my turbo and timing boost and played with my rpm setting a little. The motor for the longest time did not get to 100 F degrees and was off about 0.5 to 1.5 sec from previous running lap times. For my track, I ended up going up one tooth on the spur and putting my start/end rpm range back where it was and rolling back the turbo and timing boost a little and not only got my lap times back to where they were but my motor temps did not go above 125 F degrees. That is about 10 to 15 F degrees cooler than it was when I was running the motor can timing at neutral with similar setting and gearing.

So, for you guys that are having issues with motor temps, don't be afraid to retard the timing on the can. With the capability of making adjustments on the ESC, you will be able to maintain your speed while running at some slightly cooler temps. Just my $0.02.
__________________
Texas 5
It's not what you know; it's what you can prove.
The only thing that is for sure is that nothing is for sure!!!
The needs of the many outweigh the needs of the few, or the one.
There are 2 things in life that are infinite: the universe and stupidity.
JLock is offline   Reply With Quote
Old 01-25-2010, 07:58 AM   #11163
Tech Champion
 
morris's Avatar
 
Join Date: Nov 2005
Location: jersey shore pa
Posts: 5,564
Trader Rating: 40 (100%+)
Default

Quote:
Originally Posted by Dadaman View Post
Tried it. it didn't make a difference
randy pike,
so what is your suggestion on what to do.
cars are amazing for like 2 minutes of the race and then it feels as if there is no longer turbo.what should we do to fix this?
motor is coming of at 147 degrees.
__________________
AE/VIPER/XPERT/DIRTCHEAPRC.COM/JCONCEPTS
A big thx to all the tracks that I race at:cause if it wasnt for these guys..we wouldnt have a place to race our r/c cars!!!
morris is offline   Reply With Quote
Old 01-25-2010, 08:01 AM   #11164
Tech Champion
 
morris's Avatar
 
Join Date: Nov 2005
Location: jersey shore pa
Posts: 5,564
Trader Rating: 40 (100%+)
Default

i dont have the laptop in front of me but i think my settings are.

timing was at 50
turbo at 13
dlay at 0.2
throttle profile at 4
ramp at 3


i turned the turbo down to 10 and timing to 40..it was smooth the whole 6 minutes.but i also was loosing time off my laps.

oh and the temps still came off at 147 degrees using both settings.
__________________
AE/VIPER/XPERT/DIRTCHEAPRC.COM/JCONCEPTS
A big thx to all the tracks that I race at:cause if it wasnt for these guys..we wouldnt have a place to race our r/c cars!!!
morris is offline   Reply With Quote
Old 01-25-2010, 08:13 AM   #11165
Tech Lord
 
20 SMOKE's Avatar
 
Join Date: Dec 2003
Location: HVR_ WEEKI WACHEE FL
Posts: 10,299
Trader Rating: 101 (100%+)
Default

if you feal the car lost turbo stop grab it check the temps and pull full throttle to see if turbo is kicking in if not add to the end point right then to see if it come back then throw it back on the track and see if it stayed
__________________
Jamie W
*Team Tekin*Tekno-rc*DE Racing*AKA*DDHRC*
20 SMOKE is offline   Reply With Quote
Old 01-25-2010, 08:18 AM   #11166
Tech Champion
 
morris's Avatar
 
Join Date: Nov 2005
Location: jersey shore pa
Posts: 5,564
Trader Rating: 40 (100%+)
Default

Quote:
Originally Posted by 20 SMOKE View Post
if you feal the car lost turbo stop grab it check the temps and pull full throttle to see if turbo is kicking in if not add to the end point right then to see if it come back then throw it back on the track and see if it stayed
i did do these things except for adding to the endpoint.no turbo was there.temp was 147 degrees.i turned the car off.maybe like a minute went by and i checked it again.you can vivsibly here the turbo working.as it was not after the race.should i still do the recalibrating with the epa to say 90% then turn it back up to 100&?
__________________
AE/VIPER/XPERT/DIRTCHEAPRC.COM/JCONCEPTS
A big thx to all the tracks that I race at:cause if it wasnt for these guys..we wouldnt have a place to race our r/c cars!!!
morris is offline   Reply With Quote
Old 01-25-2010, 08:29 AM   #11167
Tech Adept
 
Join Date: Aug 2007
Posts: 234
Default

Quote:
Originally Posted by EAMotorsports View Post
Tekin RS was balls fast in 12th scale today!! Just got to do some final tweaking at the birds and it should be goooood! Now gotta find one for the TC

EA
EA

You have a PM

Thanks
Jeremy Otis is offline   Reply With Quote
Old 01-25-2010, 08:39 AM   #11168
Tech Champion
 
MikeXray's Avatar
 
Join Date: Oct 2006
Location: New York
Posts: 5,749
Trader Rating: 73 (100%+)
Default

When using push control, should drag brake be set to 0?
__________________
Mike L. Awesomatixusa.com | TQWire.com | Islandraceway.com |JacksonRCracing.com | Horsham RC | Sweepracingusa.com
MikeXray is offline   Reply With Quote
Old 01-25-2010, 08:43 AM   #11169
Tech Elite
 
Greg Sharpe's Avatar
 
Join Date: Jan 2004
Location: ...building minis
Posts: 3,237
Trader Rating: 15 (100%+)
Default

Quote:
Originally Posted by MikeXray View Post
When using push control, should drag brake be set to 0?
Yes, they are equal but opposite adjustments from a conceptual perspective. If the programmers at Tekin need another project, I'd like to have control over drag and push to the extent that amplitude and duration can be adjusted independently of one another.
__________________
Why don't we endurance race more often?
Greg Sharpe is offline   Reply With Quote
Old 01-25-2010, 09:14 AM   #11170
Tech Elite
 
theisgroup's Avatar
 
Join Date: Apr 2002
Posts: 3,191
Trader Rating: 10 (100%+)
Default

Quote:
Originally Posted by Greg Sharpe View Post
Yes, they are equal but opposite adjustments from a conceptual perspective. If the programmers at Tekin need another project, I'd like to have control over drag and push to the extent that amplitude and duration can be adjusted independently of one another.
i think if people are having problems with the rpm range concept, that your suggestion would completely blow their brains. lol
__________________
yang lai

Team Tamale | Team Tekin | RCAmerica | Speedmerchant | Speedzone RC | EA Motorsports | Ko Propo USA | eXpress Motorsports | Parma/PSE
theisgroup is offline   Reply With Quote
Old 01-25-2010, 09:36 AM   #11171
Team Tekin
 
Randy_Pike's Avatar
 
Join Date: Nov 2007
Location: Norcal
Posts: 9,702
Trader Rating: 6 (100%+)
Send a message via Yahoo to Randy_Pike
Default

Quote:
Originally Posted by morris View Post
randy pike,
so what is your suggestion on what to do.
cars are amazing for like 2 minutes of the race and then it feels as if there is no longer turbo.what should we do to fix this?
motor is coming of at 147 degrees.
I don't care for the 3.0 ramp rate and the .2 delay for your turbo. That's too much timing too fast. I know this to be true because your motor temps are higher than they should be for this software/setup. That on top of the issue of "fade" is telling me this is the case.

Since your'e running TC I would like you to try this setup:

Start rpm of 5096
End rpm of 16,000
Timing boost set to 45
Motor timing set to 10
No turbo to start out, you MUST find the right gearing first.

How big is this track? How long is the straight away? What motor are you running? Where are you geared?
__________________
"Things may come to those who wait, but only the things left by those who hustle." Abraham Lincoln

Tekin,Protek,A-Main Hobbies,JConcepts,Avid RC,Yokomo,MIP,SikLidz,FactoryRC, www.randypikerc.com
Randy_Pike is offline   Reply With Quote
Old 01-25-2010, 09:46 AM   #11172
Tech Regular
 
Join Date: Apr 2009
Posts: 282
Default

Here is my set up from yesterday. Running an xray 009 with rubber tyres on a high grip carpet track. Track size 30 x 16 metres. Used a Novak ballistic 13.5 with timing set to N.

Start rpm 2800 approx
end rpm 12000
turbo off
throttle profile 3
push off
brake 100
reverse 100
Overal gearing 6.5, car was silly fast with good in field speed and fast down the straight. My mate thinks I should drop 2 teeth to about 7.0 so I may try that next time. Throttle profile 5 was far to aggresive and almost un-drivable.
__________________
XRAY T4 Hobbywing V3 Sanwa
FLAT OUT is offline   Reply With Quote
Old 01-25-2010, 10:51 AM   #11173
Regional Moderator
 
CarbonJoe's Avatar
 
Join Date: Jul 2006
Posts: 2,661
Default

Cross posted from the 1s LiPo thread, since this one gets a lot more traffic.

OK, here is a weird problem...

1/12 scale, Tekin RS Pro V203, 1s LiPo, voltage booster 17.5 Duo 1 motor. Zero degree timing on motor, max boost, max turbo, 0.3 delay, default start and end RPM, no voltage cutoff, neutral 10, brake strength 100, drag brake 5, rollout 3.10 inches.

Car runs great for about 5 minutes, then falls on it's face badly, slower by around 3 seconds per lap (10.5 fast lap, to 13.5 seconds at the end). Motor is only 106 degrees after entire 8 minutes. ESC was cold, so no chance of it overheating. Case, as well as posts weren't even warm.

Swap out motor to brand new 17.5 Duo 2, try different battery, different voltage booster. Same thing. Motor is only 115 degrees after 8 minutes. Not losing control (like if regulator was dropping out).

Otherwise, car was very fast. Leading race, had a lap up over 3rd place, but he was able to make it up, pass me, and finished 1 lap up over me. I can see dropping off a few tenths, but not 30%.

Any ideas?
__________________
*** The Gate - Celebrating 8 years at the same location ***
The difference between genius and stupidity is that genius has its limits. - Albert Einstein
Understeer is when you hit the wall with the front of the car and oversteer is when you hit the wall with the rear of the car
CarbonJoe is offline   Reply With Quote
Old 01-25-2010, 10:54 AM   #11174
Tech Elite
 
theisgroup's Avatar
 
Join Date: Apr 2002
Posts: 3,191
Trader Rating: 10 (100%+)
Default

you got too much turbo, timing and too short of a delay. the "easy" button is not to just max everything out.
__________________
yang lai

Team Tamale | Team Tekin | RCAmerica | Speedmerchant | Speedzone RC | EA Motorsports | Ko Propo USA | eXpress Motorsports | Parma/PSE
theisgroup is offline   Reply With Quote
Old 01-25-2010, 10:58 AM   #11175
Tech Master
 
rcterp's Avatar
 
Join Date: Oct 2008
Location: No mans land.
Posts: 1,032
Trader Rating: 35 (100%+)
Default

Quote:
Originally Posted by CarbonJoe View Post
Cross posted from the 1s LiPo thread, since this one gets a lot more traffic.

OK, here is a weird problem...

1/12 scale, Tekin RS Pro V203, 1s LiPo, voltage booster 17.5 Duo 1 motor. Zero degree timing on motor, max boost, max turbo, 0.3 delay, default start and end RPM, no voltage cutoff, neutral 10, brake strength 100, drag brake 5, rollout 3.10 inches.

Car runs great for about 5 minutes, then falls on it's face badly, slower by around 3 seconds per lap (10.5 fast lap, to 13.5 seconds at the end). Motor is only 106 degrees after entire 8 minutes. ESC was cold, so no chance of it overheating. Case, as well as posts weren't even warm.

Swap out motor to brand new 17.5 Duo 2, try different battery, different voltage booster. Same thing. Motor is only 115 degrees after 8 minutes. Not losing control (like if regulator was dropping out).

Otherwise, car was very fast. Leading race, had a lap up over 3rd place, but he was able to make it up, pass me, and finished 1 lap up over me. I can see dropping off a few tenths, but not 30%.

Any ideas?
I'd check a couple different things:

-is your neutral drifting therefore you're not actually hitting full throttle?
-what's the voltage on your main battery at the end of the run?
__________________
Φ
Glitter Lidz - "My driving doesn't shine but my lid does!!"
rcterp is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Tekin Redline RS Sensored ESC and motors, opinions for offroad? Cain Electric Off-Road 4230 06-07-2015 04:38 PM
Sensored vs. Sensorless lemansracer Electric On-Road 71 02-14-2009 03:19 AM
New Tekin Redline Sensored Motors are Roar Legal! Randy_Pike Electric On-Road 3 08-05-2008 02:08 AM
Tekin Redline Sensored 10.5 HUCKMAN Electric On-Road 6 07-15-2008 08:50 PM
sensored vs sensorless bprocket Rookie Zone 5 05-16-2008 09:38 AM


Tags
v203, vegas 2.0


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 11:56 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net