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12-25-2010 03:50 AM  9 years ago
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ttaylor63

rrApprentice

Floresville,Tx

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Batteries
What do you use to power your electronics lipo's or Nicad,Nimh. I'am currently using a 7.4v 3200 mah lipo. But other day I just landed and the heli tipped on rite side and tore up blades, main and feathering shafts, flybar and bearings in grips and other parts on head. So far i'am up to $250.00 in parts to repair the G30. I had no control and still wondering why it just tipped over on side. I didn't have any control whatsoever. Checked battery and it only had 5.8v. Guess battery went dead and heli just freaked out. Motor was still running at full speed. I'am really pissed at my self now for not checking the battery. Costing me alot of $$$$$ to repair. I checked the heli while on table and while everything was powered up I unplugged the battery and servos never moved so now iam confused on what really happened.
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12-25-2010 02:28 PM  9 years ago
Zman

rrKey Veteran

Florida

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Man, sorry to hear! To answer your question, I am a big fan of kiss when it come to electronics on these helis. I use 6.6v life packs on all my helis. This allows me to not have to use a regulator which can be another failure point. I just use a simple step down for the tail servo. I also don't use switches and just plug lead from receiver to battery lead when I boot up to fly. Life packs can also be recharged in about 10 minutes so another bonus.

Not sure what radio you have but check your failsafe and make sure it is activated and set for throttle to shut if in fail safe. If using a gv-1 governor, it also has a fail safe that can be used. The voltage on that lipo sounds like the cause.

Again, sorry

Mike
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12-25-2010 03:59 PM  9 years ago
ttaylor63

rrApprentice

Floresville,Tx

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Using a JR 9503. Yea i'am really bummed out about what happened other day. I just cant beleive the amount of damage it casued from not crashing, but i guess its part of the hobby. And the bigger birds cost more to repair.. It will fly again.. The failsafe is set to have everything go to center & throttle to idle. It was my fault for trusting the battery. I didn't charge it before i flew, but it was fully charged 2 weeks prior thou. Guranatee this wont happen again, i will check voltage after every flight from now on...
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12-25-2010 06:54 PM  9 years ago
jlb

rrApprentice

Mid Michigan

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Checking after a flight is good but also checking just before a flight is even better. Doesn't happen often but I have seen guys check after only to find something has happened between flights that took the batteries down. As I said, doesn't happen often, but how long does it take to plug a loaded voltmeter into your batteries. Sorry to hear about your crash but if you learned something it wasn't a total loss. I know that makes you feel much better :-)
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12-26-2010 12:49 AM  9 years ago
Machinehead01

rrVeteran

Lower Michigan

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+1 on the preflight check
I know this is to late but a simple & cheap check and load device, might have saved you from the big dollars your paying now. I too use the life 6.6 volt, Zman. I also run a Spektrum ar7100 so the gyro is already regulated. Thinking a Jewel genny might be in the near future.

Tom
"You judge according to the flesh; I am not judging anyone."
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12-26-2010 02:26 PM  9 years ago
crazzyjoe

rrVeteran

Severn, Ontario, Canada

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Hi,
I also ahve Rad 30 and i'm using a 2 cell 2100mah Life pack 6.6 volts with the generator modified to give me exactly 6.6V output so I dont damage the battery. I run a step down to give my BLS251 5.0 volts, very simple no regulator no 7.2v lipo no more worries about the battery.

I also have a green Gem 2000 set at 6.4v to stop blinking so as long the voltage stays above 6.4v the super bright led will keep flashing so I know everything is good while flying.
BTW the LED is very easy to see even on a bright sunny day.

Joe
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