|Jul 29, 2012, 03:52 PM|
Castle ICE 100amp ESC
what burst can I get from the Castle ICE 100amp ESC and for how many seconds ?
do you think it can stand 160amp burst for 7 seconds ?
|Jul 30, 2012, 08:39 AM|
Do you already have the ICE ESC?
If so, you could work up towards the 160A peak slowly in smaller increments and for shorter periods of duration and see what the data logger reports for the ESC's internal temperatures.
I'd like to see more info in the posts here as to how the ICE data logger can be used and how useful the feature is compared to things like the eLogger I am using now.
Look at the attached plot from a static test with a eLogger, the temperature is the cyan or light blue trace across the center, the Watts are the top trace and the RPM in green.
I was looking at the LCD panel as that happened and you can see how I reduced throttle at my personal limit of 130F and it only took a few clicks of throttle to get the temperature dropping immediately.
The temp was slowly rising as time proceeded (in seconds on the bottom bar). When I went from 3/4 to full throttle the temp climbed to 130F and I reduced to half throttle. Withing a few seconds the temp was falling again and I had learned from it.
When I looked at the data later I could see that 20 seconds of 3/4 throttle will produce a steady temp climb that might eventually get over my 130F limit. And going to full throttle for about 18 seconds had it climbing quickly. But I could also see that reducing to half throttle or a little more would give me quick relief and cool things back down.
Being able to launch info flight knowing that kind of stuff is very reassuring. I knew that most of the flight with that motor and prop would be at 1/2 throttle with occasional use of 2/3rds or 3/4 throttle. And I knew that I could go to full throttle for 10-15 seconds without threatening anything.
|Jul 30, 2012, 04:32 PM|
Yes. Its burst rating is 160A for 10 seconds.
Note that the burst rating is for a 1% duty cycle (10 seconds on, 6.5 minutes off). This should be fine for a thermal glider, but not for a model which will be drawing regular power bursts and/or cruising at part throttle.
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