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12-22-2008 05:41 PM  8 years agoPost 1
Iluksic

rrNovice

Santiago, Chile

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How long do you wait between flights? Do you need to wait for the motor and controller to cool down or you can just swap lipo and continue? any healthy rule on this? I am thinking on adding a second 500 to the fleet just to avoid the wait

Thanks

Ivan

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12-22-2008 05:43 PM  8 years agoPost 2
smoothb10

rrApprentice

Dixon MO

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yes you should wait for the heli to cool off. How long will depend on you outside temp.

us army 1995-2007 Iraq 1st tour 2003-2004 2nd tour 2005-2006

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12-22-2008 05:55 PM  8 years agoPost 3
Darren Lee

rrElite Veteran

Woodstock, GA

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I usually fly 3 to 5 packs back to back, no problem. My motor is typically around 120F max and ESC is cool.

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12-22-2008 06:03 PM  8 years agoPost 4
kingair

rrKey Veteran

Utah - USA

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I fly back to back even in the high summer temps of the desert southwest. The motor seems to get to a certain temp and stabilize there. I have one brushless motor with well over 1000 flights that I trade out for a new one every once in a while to compare and I can't tell a difference. Legend has it that the magnet temp has to exceed something like 200F before damage occurs. Until I actually experience some damage from back to back flying I'd say it doesn't hurt anything.

There is a very fine line between "hobby" and "mental illness."

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12-22-2008 08:21 PM  8 years agoPost 5
Cheech91060

rrApprentice

Aberdeen, MD

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I've flown 5 in a row back to back pretty frequently over the past year and haven't had any issues.

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12-22-2008 09:27 PM  8 years agoPost 6
Jeff polisena

rrElite Veteran

westpalmbeachflorida​usa

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I fly back to back . If motor and speed control are getting too hot try changing configuration to make flights more efficient.

I stole it ,flew it and gave it back ;)

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12-22-2008 11:33 PM  8 years agoPost 7
Eagle2bravo

rrVeteran

Out flying somewhere

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Yep... I fly 4-5 packs back to back with no problems. It takes me 2 packs to warm up

T-rex 600n super pro , Trex 450 se, Gaui 200, Trex 500, Blade cx, . "If ya plant corn, ya get c

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12-23-2008 02:49 AM  8 years agoPost 8
6983868850

rrNovice

Athens Greece

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i also change back to back my packs but regardless of temperature i have noticed a power drop down after 2-3 packs in a row.
anyone else?

kmiglis Get airborne..!!!!! TDRigid

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12-23-2008 03:07 AM  8 years agoPost 9
Heli-on

rrVeteran

Southern Cali, CA -​USA

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Agree with King. Motor gets up to certain temp pretty quickly even it's it's stone cold. Unless you're running a low throttle curve and your ESC remains cool, I don't see the problem. Personally, I don't do it because I have 4 helis to cycle through. I know, tough problem to have.

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12-23-2008 03:12 AM  8 years agoPost 10
whyfly

rrVeteran

Temecula C.A.

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I fly back to back withe no issue right now only have 3 packs also only fly 4.5 min on all my packs.Really loving the 500

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12-23-2008 12:16 PM  8 years agoPost 11
Iluksic

rrNovice

Santiago, Chile

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Thanks Guys

Based on your answers I am better off investing in more packs than in a second Heli. How long do you wait before you re-charge your lipo, I heard 15 min is a good number, what do you think?

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12-23-2008 12:45 PM  8 years agoPost 12
SSN Pru

rrElite Veteran

Taxachusetts

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yes you should wait for the heli to cool off. How long will depend on you outside temp.
Are you having overheating problems? In that case, a cool down period is warranted.

If your motor and ESC are up to a steady operating temperature during flight and have no overheating issues then you are fine. Always let a batter cool before recharging it though.
I heard 15 min is a good number, what do you think?
The time is irrelevant. A pack will cool down much faster if in a cold ambient environment. It will take a lot longer in 100º weather than in 55 or 60º weather.

You should wait until the pack cools down completely. I believe that 70º temps are ideal for charging. If you have a pack that is empty or nealy so and it is at 50º and you fully charge it you will have a bomb on your hands if you let it warm up before discharging it.

Stupidity can be cured. Ignorance is for life!

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12-23-2008 01:07 PM  8 years agoPost 13
missle

rrApprentice

West Chester, Oh

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The bat pack should have the proper temp range for charging it (if not, you can get that info from the manufacture). I charge mines in the 80-105 temp range. More important than the packs "cooling" down is the time needed for the packs to "settle" down and balance out.
If you don't have an IR temp gauge, that would be the first thing I'd buy

WATCH OUT!!!!!!!!

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12-23-2008 01:52 PM  8 years agoPost 14
SSN Pru

rrElite Veteran

Taxachusetts

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If you don't have an IR temp gauge, that would be the first thing I'd buy
Yes, excellent advice. They are a dime-a-dozen now.

Stupidity can be cured. Ignorance is for life!

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12-23-2008 03:04 PM  8 years agoPost 15
T-rexn8

rrKey Veteran

CoLoRaDo

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Depends on what motor you are running and the ambient temperature mostly. I always check with an ifarred to be safe.

Xxtreme 800, TDR, 700E DFC, Mini Protos, T-450 DFC, Blade 130x, mcpx, nano

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12-24-2008 12:38 PM  8 years agoPost 16
Iluksic

rrNovice

Santiago, Chile

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Thanks again

I already have an IR temperature gauge, I will make sure I use it. I am running 2500 mah outrage on my 500 and after a normal flight the only get warm probably around 100-110 F. Is it a good idea to perform a balance right after a flighrt and before charging to help it to settle down

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12-24-2008 09:51 PM  8 years agoPost 17
T-rexn8

rrKey Veteran

CoLoRaDo

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You can balance whenever you like, however it really is not necessary until you charge the battery.

Xxtreme 800, TDR, 700E DFC, Mini Protos, T-450 DFC, Blade 130x, mcpx, nano

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12-25-2008 08:48 PM  8 years agoPost 18
lugnutz

rrApprentice

trenton,nj

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i usually wait 10mins in between so i can watch my friends fly before i go back up

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12-28-2008 07:21 AM  8 years agoPost 19
aaron07

rrNovice

Sydney, Australia

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I fly 10 packs back to back for an hour without letting the motor(55*C) or esc cool down. Ive been doing this for a couple of years without any problems, however, packs have usually cooled down b4 charging.

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12-28-2008 07:58 AM  8 years agoPost 20
whoamis

rrVeteran

san francisco, ca

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I only spend enough time between batteries to metabolize the adrenaline rush.

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