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9V rather than 6 AAs?
Tags: Syma X9
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isaacs_bird
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Guests
October 24, 2012 - 1:51 am

My son just got a SYMA S107G. He's loving it! So am I, except for the battery part... Is there anyone who has modded the transmitter to take one 9V (rectangular) rather than the 6 1.5V AAs it currently takes? Is there any reason one wouldn't want to do this? His RC car takes one 9V in the transmitter, so I was a bit surprised to see 6 batteries in his heli transmitter. Thanks for any advice!

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JamDJ
Lancaster, PA, USA
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October 24, 2012 - 4:00 pm
Member Since: February 14, 2012
Forum Posts: 254
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Hi, I.B. Great question! Seems like we are all concerned about those little LiPo batteries instead of

the easily-replaceable AAs. Yup, 1.5V x 6 does = 9V! Seems odd that you mentioned it, I just checked

on the Tx batts in my 2 cars and they are 9V also, and BTW original, being several years old.

  I can only think of 2 possible explanations: (Help me out here, CPD!)

1.) The mA/H discharge rate may be slower in a AA than a 9V. Since these heli's can be charged

via the Tx, is it possible the slower discharge might be necessary to protect the Lipo from being fried?

2.) Syma is owned by Duracell ! ! !

  Choose one of the above and welcome to the forum!

 

  

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isaacs_bird
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Guests
October 25, 2012 - 4:46 am

Thanks for the reply, JamDJ. Guess I'll go with option 1. ;-) The IR Tx must draw more juice than the old 2.4 GHz radio ones. Progress... I guess that's what rechargeables are for, eh?

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CPD
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Guests
October 25, 2012 - 1:14 pm

Well, the things I can think of are that

 

A. there's either a different internal resistance of the batteries, (ok, actually cells) which would possably ruin the controller if the 9v battery has too little resistance

B. 9v batteries are particularly expensive, and rechargable 9v's are also a lot more expensive than AA cells

C. 9v batteries are actually made up of a true battery of 6 1.5v cells, which are smaller than AAA cells, and do not last as long relativly as AA cells, and do not provide the same ammount of mah, just like how D's and C's are also 1.5v cells, and provide much more oomph than AA's.

D. if you can successfully do it, I wouldn't charge from the remote... Heck, I wouldn't charge from the remote except emergancies anyway!

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Syma Freak
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October 25, 2012 - 7:02 pm
Member Since: November 26, 2010
Forum Posts: 1430
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Guys,I am always amazed of your knowledge and quality posts and replies- I learn more every day from your input to the forum Surprised

"Fly like a butterfly sting like a Syma" http://syma107.com

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Supernova
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Guests
November 10, 2012 - 2:36 am

SF that is why we do it, to learn from each other, nobody knows everything, but I do.Yell wish I never posted that but it was to late, I sealed the envelope.

 

Wink

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Syma Freak
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November 16, 2012 - 9:21 pm
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Forum Posts: 1430
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Supernova said
SF that is why we do it, to learn from each other, nobody knows everything, but I do.Yell wish I never posted that but it was to late, I sealed the envelope.

 

Wink

Big-head!!-lol Wink

"Fly like a butterfly sting like a Syma" http://syma107.com

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Supernova
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Guests
November 21, 2012 - 3:31 am

Syma Freak said

Supernova said
SF that is why we do it, to learn from each other, nobody knows everything, but I do.Yell wish I never posted that but it was to late, I sealed the envelope.

 

Wink

Big-head!!-lol Wink

Big head but small brain EmbarassedCool

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CPD
Guest
Guests
November 21, 2012 - 1:08 pm

Aint touching that one...

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Supernova
Guest
Guests
November 27, 2012 - 3:51 am

CPD said
Aint touching that one...

Go for it CPD Laugh live dangerously matey, I do.

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