Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Apr 20, 2010, 01:30 PM
killbucket is offline
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Mini-HowTo

S107- 130mah to 240mah pack upgrade


3x 3.7v LiPo Battery AKKU 130mAh- 240mAh SH 6020-1 S026
$6.98USD, FREE shipping. What a deal...let's upgrade that 3 channel helicopter
IF you can find the tutorial on LIPO SWAP at my place...
Minigun Movie Prop M134 LIVE VIDEO (1 min 18 sec)


OK,
FULL Tutorial is found HERE:
http://www.killbuckets.com/batteryswapcopters.htm


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Last edited by killbucket; Sep 03, 2012 at 05:59 PM. Reason: all-new pics by killbucket today, hosted at air-sharp.com
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Old Apr 20, 2010, 02:18 PM
rt450 is offline
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Can you charge it with the Tx, or do you have to use the usb?
Old Apr 20, 2010, 02:29 PM
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It should make


no difference, except it will be a AA-cell killer.
A few recharges, and the Tx's batteries will be ailin'...
Old Apr 20, 2010, 02:40 PM
leethetreeguy is offline
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Fly em if ya got em.
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What is the weight difference? Lee
Old Apr 20, 2010, 02:53 PM
killbucket is offline
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Let's compare:


Keep in mind- a paint-job can add as much as a gram itself.
40.7g-38.2g=2.5g increase in weight. (~7%)
Stock cell:3.9g- Installed cell:6.2g= 2.3g
My paint is thin- .2g for the whole coating.

EDIT: OH YEAH, this black chopper has aluminum custom skids...-.7g, so:
My paint weighs .9grams.

It has slightly less oomph on takeoff and rising, but not enough to call it a net negative. The extra MASS is a good thing, it flies a bit more realistically.
It does have more tail rotor power, it seems.
A bigger battery undoubtedly gives more juice.
Last edited by killbucket; Apr 28, 2010 at 05:03 PM. Reason: Darn, I was feeling like Super-Painter for a moment.
Old Apr 20, 2010, 03:08 PM
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That's nice to know about the charging. I have an AC adapter hooked up to my Tx for charging, so won't be a battery killer for me. With this and the flybar mod, why spend over $100 for a "hobby grade" heli? Keep up the great work KB. I'm glad we're not neighbors, my wife would leave me.
Old Apr 20, 2010, 04:44 PM
tarokdk is offline
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Nice work

Just a small question.
If the 240mah battery don't have a on-board circuits, wont that mean that it can be overcharged and damaged ?
Think i have read somewhere about a 250mah battery that should auto stop charging when it was full, like the original 130mah batteries.

Replaced a original one with a 240mah battery on a 6023-1 and it overcharged the battery, and almost blow up.

Anyone know anything about this ?

EDIT:

Found the 250mah battery again here;

http://www.rc711.com/shop/product_in...oducts_id=3248
Old Apr 20, 2010, 04:55 PM
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Here's the scoop:


The S107's battery does not have a bitty-board in it.

Your 6023 does. The board has to be put onto the new batteries, there's Youtube vids showing how.
Old Apr 20, 2010, 04:58 PM
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Ok, now this might seem like a silly question then, sorry.
So the S107 have a "build in board" for turning of charging when the battery is full ?.

PS i'm very new at modding these small funny helicopters.
Old Apr 20, 2010, 05:02 PM
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Apparently.


My charger (USB) shut off after 30 minutes or so, no packy-puffy!
Last edited by killbucket; Dec 31, 2010 at 01:36 PM.
Old Apr 20, 2010, 06:33 PM
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Since you added weight at front, how do you keep it balanced?
Old Apr 20, 2010, 07:20 PM
killbucket is offline
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It's leaned up against the frame-


almost no cg change.

The second S107 I opened has a little board in the pack- as did the next two. The first one didn't have one...
Old Apr 27, 2010, 12:38 PM
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BUMP-
ALL new pics, showing solder connections and improved install.
Last edited by killbucket; Dec 31, 2010 at 01:36 PM.
Old Apr 27, 2010, 03:47 PM
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Great work and useful pictures. Thank you!
Old Jun 29, 2010, 07:58 AM
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bump'd for the Newbs.


Ba-Bump.
displace sxtinee donks
Last edited by killbucket; Dec 24, 2010 at 07:36 PM.


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