can a GRAUPNER 280 take a 10 cell batt.

[Jazzdogg]

could someone please inform if a graupner 280 electric motor can handle a 10 cell battery???????? Also is it possibile to run 10 cells through a RCLINE MSC-5NB speed controller???????????? because i have heard stories it can even though it is specified only for 8 cells max!!!!null

[jimwalker]

I'm fairly sure that stock graupner can motors are rated at 6 or 7.2 volts. That translates to 5 or 6 secondary cells in a pack. We all push the little can motors to their limits, however there is a price to pay. The life of the brushes and thus the motors are severely shortened. 12 volts (10 secondary cells) is twice the motors rated limit. I'm sure it will scream for a very short time, maybe 3 or 4 flights and then it will be toast. I've never actually tested this, so use your own judgement. If you can afford to lose the motor for testing, then try it.

Your speed control should go into thermal shutdown and be OK after it cools, but there is always a chance of killing a component and then your ESC is junk. Once again, use your own judgement when testing and be prepared to toast some equipment when pushing it past the manufacturers limits...

Jim

[spy0o7]

Originally posted by Jazzdogg:
<STRONG>could someone please inform if a graupner 280 electric motor can handle a 10 cell battery???????? Also is it possibile to run 10 cells through a RCLINE MSC-5NB speed controller???????????? because i have heard stories it can even though it is specified only for 8 cells max!!!!null</STRONG>

I'm running a 280 on a 10cell 110 and its fine. I've had 10 flights on it so far.

[ifaberman]

I've been using my 280 with 11 NiMH cells. This about equals 10 NiCAD's with good results. It does get hot if I keep the throttle wide open, but so far, so good.