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e-Century Hummingbird - Swift > motor hot battery puffing and flight time low
 
 
Turner0022
Senior Heliman
Location: Old Hickory Tn

My Posts This: Topic  Forum		my swift with the lightning 550 motor and 10 tooth pinion is not doing right ..seems to fly ok but the motor gets hot and the battery puffs up after flight . and flight time is only about 3 minutes! also the blades wobble on spool down but are smooth in flight ...any advise?

"you love them dern helicopters more than me!!" nooooo hunny !! close though
08-13-2009 12:40 AM
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Pistol_Pete
Elite Veteran
Location: Tampa Bay non-Buccaneer

My Posts This: Topic  Forum		main blade size?

tail blades?

***>>> battery being used? (thus low headspeed = wobble ) <<<***

ESC settings?

flying style?

motor temp?

<><>...the lunatic is in my head...<><>
08-13-2009 06:50 PM
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jamesppp
Senior Heliman
Location: carrollton georgia usa

My Posts This: Topic  Forum		Pinion or tail gear mesh too tight???

Old battery?

ESC settings??

#:>)*.......................*(<:#
08-14-2009 06:10 PM
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imnxtc
Veteran
Location: Dawson

My Posts This: Topic  Forum		Impossible to answer without the info asked by Pistol Pete and the brand, voltage and mah ratings of the cells used.
08-14-2009 08:48 PM
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Turner0022
Senior Heliman
Location: Old Hickory Tn

My Posts This: Topic  Forum		this is the RTF version , but im using my dx7 .. im using the soft start governor mode on the ESC witch is not even warm after flight ... 10 tooth pinion .. main gear mesh is perfect . tail also set right ...14.8 4 cell 3000 mah 20c lipo NEW ..... ive been running my throttle curve at 75-85-100-100 .... only problem i am having is the battery puffing up , motor is warm to mild hot , after i lowered my pitch settings a little . also i noticed the motor pulsing on first spool up then smoothing out after a minuet of flight ,,,strange setup problem ..unlike my 450's

"you love them dern helicopters more than me!!" nooooo hunny !! close though
08-14-2009 11:08 PM
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aramsdell
Senior Heliman
Location: Sanford, Maine

My Posts This: Topic  Forum		Battery brand is..... 4S3000 is a fairly small battery. That should probably only be good for fast forward flight and an occasional loop and not really very long flight times. I had that motor and it isn't up to the task for more than light flying(IMHO)
Now that you're hooked on helis and immediate upgrade should happen. get the 600A+ motor, an Electron 80/100 amps ESC and get a 5S pack and a 9T pinion. This will get you more power and the ability to upgrade to a 6S pack later while keeping the headspeed down.
Let me suggest www.hobbycity.com and their excellent Zippy Rhino packs.
a 5S4900 should get you some decent flight times at a moderate headspeed(9T). When you're ready go to a 10T pinion for more spirited performance.

Should've bought a sim. Got a bucket of used blades!
08-15-2009 01:40 AM
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Turner0022
Senior Heliman
Location: Old Hickory Tn

My Posts This: Topic  Forum		will the stock align trex 500 motor and ESC work in this heli?

"you love them dern helicopters more than me!!" nooooo hunny !! close though
08-15-2009 02:46 AM
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oldfart
Elite Veteran
Location: Vancouver, Canada

My Posts This: Topic  Forum
Quote 
will the stock align trex 500 motor and ESC work in this heli?

No. The motor and ESC that you have will do just fine if you use a good battery. I have used that motor and esc for 100's of sport 3D flights - but I used a good battery packs eg. the Flite Power 4S/3700/25C battery & Electrifly 4S/5000/20C.

As aramsdell mentioned, your pack is the minimum for any type of flight with the heli. With a 100 throttle curve, you will be turning a relatively high rotor speed (rotor speed is the main consumer of power). So if you get a 3 minute flight, then you are doing good with that pack.

If you drop to a 80% curve you will get longfer flights and it will be a lot easier on the battery.

But the real solution is to get a better battery pack. One of at least 3700 mah (preferably more (e.g. 4200+) and 25C. Then you will see a big improvement.
08-15-2009 04:20 AM
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Turner0022
Senior Heliman
Location: Old Hickory Tn

My Posts This: Topic  Forum		another issue im havin ..when i hit idel up switch the aileron servo arm drops 1/4 inch at mid stick ? strange issue ..cant figure it out .... swash is set at +60+60+60 swash is level in norm mode , hit the switch and aileron servo drops lower....... what causes this?

"you love them dern helicopters more than me!!" nooooo hunny !! close though
08-16-2009 03:51 AM
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Pistol_Pete
Elite Veteran
Location: Tampa Bay non-Buccaneer

My Posts This: Topic  Forum		as suspected...a battery issue

on the last one...check your programming...sounds like a difference in set ups...

<><>...the lunatic is in my head...<><>
08-16-2009 01:23 PM
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imnxtc
Veteran
Location: Dawson

My Posts This: Topic  Forum		That is a set-up issue in your TX. The software in some TX's allow different trims in each flight mode. I suspect the trims or sub-trims in your Normal settings are different from those in your idle up settings.
08-16-2009 06:00 PM
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Turner0022
Senior Heliman
Location: Old Hickory Tn

My Posts This: Topic  Forum		ok ill look into the radio setup ...i tried a friends battery at the field today and what do ya know it flew well with no puffing or over heating the battery ..i guess the battery that came with the heli is junk ...thanks for the info all!

"you love them dern helicopters more than me!!" nooooo hunny !! close though
08-16-2009 10:58 PM
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jamesppp
Senior Heliman
Location: carrollton georgia usa

My Posts This: Topic  Forum		Are you supposed to use throttle curves if you are using the Gov mode??

75-85-100-100????

#:>)*.......................*(<:#
08-17-2009 12:56 AM
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Turner0022
Senior Heliman
Location: Old Hickory Tn

My Posts This: Topic  Forum		no im running 95 all , that was the wrong heli thr curve

"you love them dern helicopters more than me!!" nooooo hunny !! close though
08-17-2009 01:22 AM
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e-Century Hummingbird - Swift > motor hot battery puffing and flight time low
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