R1 Brushless Motors (Roar approved) 17.5,21.5 & 13.5
#271
I bought a 17.5 a few weeks ago and recently just noticed that the motor doesn't spool up quickly to the max rpm until you hold full throttle for about 1 second. In another words, after pull the trigger to full throttle and hold, the motor will continue to increase its rpm and reaches max rpm after about a second. Is this normal? Anyone has the same experience? I also changed to another brand's motor and the spooling up was linear and directly proportional to the trigger travel. Thanks.
#272
Tech Master
iTrader: (11)
Ran a 5 min qual, 17.5 motor came off 130 deg. Ran the main 30 mins later, on the last lap cooked the motor but was able to coast towards the finish line. Temps came off at 240, this is the 4th time running the motor in club racing and I even went down 2 teeth in my pinion. Running the main I can tell the car was fading after a few laps.
#273
Ran a 5 min qual, 17.5 motor came off 130 deg. Ran the main 30 mins later, on the last lap cooked the motor but was able to coast towards the finish line. Temps came off at 240, this is the 4th time running the motor in club racing and I even went down 2 teeth in my pinion. Running the main I can tell the car was fading after a few laps.
#274
Tech Lord
iTrader: (86)
I bought a 17.5 a few weeks ago and recently just noticed that the motor doesn't spool up quickly to the max rpm until you hold full throttle for about 1 second. In another words, after pull the trigger to full throttle and hold, the motor will continue to increase its rpm and reaches max rpm after about a second. Is this normal? Anyone has the same experience? I also changed to another brand's motor and the spooling up was linear and directly proportional to the trigger travel. Thanks.
I think these motor are design for med to larger open track...you have to find the sweet spot for the gearing and bell end timing together..bump the timing and gear down lower..I think I was at 4.2 for 21.5
#276
Tech Fanatic
I bought a 17.5 a few weeks ago and recently just noticed that the motor doesn't spool up quickly to the max rpm until you hold full throttle for about 1 second. In another words, after pull the trigger to full throttle and hold, the motor will continue to increase its rpm and reaches max rpm after about a second. Is this normal? Anyone has the same experience? I also changed to another brand's motor and the spooling up was linear and directly proportional to the trigger travel. Thanks.
#277
Tech Rookie
how durable is it? If so what can it withstand?
#278
Tech Addict
iTrader: (15)
I noticed the slow acceleration with my dyno testing (PS I have the 21.5 R1 motor). I used 30 degrees End Bell timing (it has 30 built into the stator so that's 60 degrees). I have telemetry in my ESC so I started at a 4.2 FDR and ran the car up and down the street simulating the long straightaway at our track (~160ft). Dividing the observed RPM by the FDR I get the Wheel speed at the end of the straight. I found the highest wheel speed at 4.68FDR and also the best acceleration. On the track, the R1 was fast but not the fastest USGT car. Damaged the motor and ESC in a crash and changed back to my Kill Shot, which was 4/10 a lap faster.
#279
Tech Master
iTrader: (23)
All three classes, GT1 (13.5), GT2 (17.5) and Formula 1 (21.5) were won using the R1 Wurks motor at the Tamiya National Championships this weekend in Aliso Viejo, CA. They dominated each class with wins in the first two of three mains making in not necessary for the winners to run the last round. All three winners dominated their classes winning each Main by as much as 10 seconds on a track that laps out around 14 seconds! Great job Craig "Cuda" Hammond (F1), Julian Wong (GT2) and Nathan Weir (GT1). Enjoy your trip to Shizouka, Japan to compete in the Tamiya World Championships in November! Steve "V", you rock!!
#280
Tech Champion
iTrader: (34)
For what it's worth
Using the Motolyser tool, R1 motors have about 37* timing, when cranked clockwise all the way to the stop.
The motor endbell shows less than 0* at this point
I have never found a sweet setup with more than 28* which is around 60* actual
As of late 0* endbell has been working well for me
Using the Motolyser tool, R1 motors have about 37* timing, when cranked clockwise all the way to the stop.
The motor endbell shows less than 0* at this point
I have never found a sweet setup with more than 28* which is around 60* actual
As of late 0* endbell has been working well for me
#281
Tech Lord
iTrader: (86)
For what it's worth
Using the Motolyser tool, R1 motors have about 37* timing, when cranked clockwise all the way to the stop.
The motor endbell shows less than 0* at this point
I have never found a sweet setup with more than 28* which is around 60* actual
As of late 0* endbell has been working well for me
Using the Motolyser tool, R1 motors have about 37* timing, when cranked clockwise all the way to the stop.
The motor endbell shows less than 0* at this point
I have never found a sweet setup with more than 28* which is around 60* actual
As of late 0* endbell has been working well for me
#282
Tech Fanatic
For what it's worth
Using the Motolyser tool, R1 motors have about 37* timing, when cranked clockwise all the way to the stop.
The motor endbell shows less than 0* at this point
I have never found a sweet setup with more than 28* which is around 60* actual
As of late 0* endbell has been working well for me
Using the Motolyser tool, R1 motors have about 37* timing, when cranked clockwise all the way to the stop.
The motor endbell shows less than 0* at this point
I have never found a sweet setup with more than 28* which is around 60* actual
As of late 0* endbell has been working well for me
#283
Tech Champion
iTrader: (34)
Yes, 28* 98 roll worked well with the 17.5
Steve has made a running change, and while that setup still works, I have been testing some "different" settings that seem to have more punch, and even less fade
The R1 is at least as fast as the OrcaTX or Schuurspeed in testing here
Don't have a dyno, just trying things on the track, letting the clock tell the results
Steve has made a running change, and while that setup still works, I have been testing some "different" settings that seem to have more punch, and even less fade
The R1 is at least as fast as the OrcaTX or Schuurspeed in testing here
Don't have a dyno, just trying things on the track, letting the clock tell the results
#284
Tech Fanatic
Yes, 28* 98 roll worked well with the 17.5
Steve has made a running change, and while that setup still works, I have been testing some "different" settings that seem to have more punch, and even less fade
The R1 is at least as fast as the OrcaTX or Schuurspeed in testing here
Don't have a dyno, just trying things on the track, letting the clock tell the results
Steve has made a running change, and while that setup still works, I have been testing some "different" settings that seem to have more punch, and even less fade
The R1 is at least as fast as the OrcaTX or Schuurspeed in testing here
Don't have a dyno, just trying things on the track, letting the clock tell the results
Last edited by John Wallace2; 08-29-2014 at 06:53 AM.