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Old Mar 06, 2012, 10:19 PM
Stickman
Joined Mar 2012
1 Posts
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Need help with Sidewinder SCT Shorting Out

I think there is an issue with my Sidewinder SCT. It was working fine until recently when the motor started to seize or hesitate briefly on a quick acceleration, like coming out of a corner on a long straight, or just a quick on and off the throttle. The effect is the motor stutters or locks up, motor get very hot very quickly, all the wires, motor and battery, get very hot, I had a battery case expand and pop open, the SC gets very hot as well.

After much testing and eliminating variables, this same thing will happen with any different motor, but only when motor Torque Limiting is turned on. I have performed the Motor Test and set the limit to 7. The issue gets much worse the more I limit the torque.

If I set to factory defaults, the locking up and overheating does not happen. I am convinced it is a software or hardware issue related to the Sidewinder SCT speed controller.

Below is the Data File from my most recent test where I was able to recreate the issue. This Sidewinder was purchased December 2010. So it has worked well in the past, but having issues now.

Any help is appreciated!!

################################################## #####
# Castle Link Data File
# Created: Tuesday, March 06, 2012
# Do Not Edit This File By Hand
################################################## #####
Throttle Curve: 0.0.1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.1 9.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35. 36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52 .53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.6 9.70.71.72.73.74.75.76.77.78.79.80.81.82.83.84.85. 86.87.88.89.90.91.92.93.94.95.96.97.98.99.100.101. 102.103.104.105.106.107.108.109.110.111.112.113.11 4.115.116.117.118.119.120.121.122.123.124.125.126. 127.128.129.130.131.132.133.134.135.136.137.138.13 9.140.141.142.143.144.145.146.147.148.149.150.151. 152.153.154.155.156.157.158.159.160.161.162.163.16 4.165.166.167.168.169.170.171.172.173.174.175.176. 177.178.179.180.181.182.183.184.185.186.187.188.18 9.190.191.192.193.194.195.196.197.198.199.200.201. 202.203.204.205.206.207.208.209.210.211.212.213.21 4.215.216.217.218.219.220.221.222.223.224.225.226. 227.228.229.230.231.232.233.234.235.236.237.238.23 9.240.241.242.243.244.245.246.247.248.249.250.251. 252.253.254.255
Reverse/Brake Curve: 0.0.1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.1 9.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35. 36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52 .53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.6 9.70.71.72.73.74.75.76.77.78.79.80.81.82.83.84.85. 86.87.88.89.90.91.92.93.94.95.96.97.98.99.100.101. 102.103.104.105.106.107.108.109.110.111.112.113.11 4.115.116.117.118.119.120.121.122.123.124.125.126. 127.128.129.130.131.132.133.134.135.136.137.138.13 9.140.141.142.143.144.145.146.147.148.149.150.151. 152.153.154.155.156.157.158.159.160.161.162.163.16 4.165.166.167.168.169.170.171.172.173.174.175.176. 177.178.179.180.181.182.183.184.185.186.187.188.18 9.190.191.192.193.194.195.196.197.198.199.200.201. 202.203.204.205.206.207.208.209.210.211.212.213.21 4.215.216.217.218.219.220.221.222.223.224.225.226. 227.228.229.230.231.232.233.234.235.236.237.238.23 9.240.241.242.243.244.245.246.247.248.249.250.251. 252.253.254.255
Hex55: 85
MidCount: 11,208
Arming Time: 1.5s (*)
Throttle Dead Band: Average (0.1000 ms) (*)
Start Power: Low (*)
Sensorless Motor Timing: 10
Max Reverse Power: 50
Max Forward Power: 100
Reverse Type: With Reverse (*)
Brake Amount: 50
Drag Brake: 0
Punch Control: 0%, Disabled (*)
Motor Direction: Normal (*)
Power-On Warning Beep: Beep Enabled (*)
Full Reverse: 2156
Neutral: 3024
Full Forward: 3948
Motor Type: Brushless (*)
Cutoff Voltage: Auto-Lipo (*)
Torque Control Value: 7
Torque Control Motor Constant: 853
Auto-Lipo Volts/Cell: 3.2 Volts/Cell (*)
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