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› Your E-winter battery solution
10-29-2011 12:38 AM  6 years agoPost 1
helixangle

rrKey Veteran

Mamaroneck, NY - USA

My Posts: All  Forum  Topic

So on another thread it was discussed that battery performance can be marginal due to temperature. I have experienced poor performance with cold batteries. I posted some information as to what I do to keep my batteries warm while at the field in the winter.

from the post:

cold pack problems in the winter, here's my solution, WORKS GREAT!

Your local pharmacy should have what's called a

"micro bead, microwavable back warmer" The key being micro bead

so when I am ready to go fly I:

1. charge my batteries in my house (batts still warm)
2. microwave the back warmer
3. put the back warmer in the bottom of a soft cooler, I suppose you could use a hard cooler, might be better
4. place a thin dish towel, folded over the back warmer
5. load my batteries into the cooler
6. go to the field and fly!

believe it or not the back warmer will stay warm and keep the batteries at good temperature for several hours.

I generally pull the batteries from the bottom, as they are the warmest, and in addition it allows the top batteries to warm up prior to use

What do you do to keep your batteries warm in cold weather?

Be sure the juice is worth the sqweeze
Remember life is hard...even harder for stupid people

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10-29-2011 01:34 AM  6 years agoPost 2
OICU812

rrMaster

Edson, Alberta, Canada

My Posts: All  Forum  Topic

I do similar if theyre not in truck using what's called "magic bag" more or less what you describe. Another user here and German friend "Marc" Aka user: "spacecopter" had got some actual heat tubes that draw small power to keep them at aroun 35-40 deg C I'll see if he can post some info here on them.

...Once upon a time there were Nitros, flybars and frequency pins...

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10-29-2011 01:35 AM  6 years agoPost 3
helixangle

rrKey Veteran

Mamaroneck, NY - USA

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cool

Be sure the juice is worth the sqweeze
Remember life is hard...even harder for stupid people

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10-29-2011 01:44 AM  6 years agoPost 4
Justin Stuart (RIP)

rrMaster

Plano, Texas

My Posts: All  Forum  Topic

If the weather dips below about 50F, we don't fly here in Dallas. But I'll remember that warmer trick next time I go up north.

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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10-29-2011 01:47 AM  6 years agoPost 5
OICU812

rrMaster

Edson, Alberta, Canada

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You don't fly below 50f Justin really? That's crazy man just bundle abit that's still quite warm!!!

...Once upon a time there were Nitros, flybars and frequency pins...

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10-29-2011 01:56 AM  6 years agoPost 6
Justin Stuart (RIP)

rrMaster

Plano, Texas

My Posts: All  Forum  Topic

We fly when its 110F in the shade, however.

Avant RC
Scorpion Power Systems
Thunder Power RC
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10-29-2011 02:16 AM  6 years agoPost 7
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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We have a heated club house, therefore we leave the batteries in there until we use them.

Team Synergy, Rail blades, Team Scorpion, V-Team

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10-29-2011 02:20 AM  6 years agoPost 8
helixangle

rrKey Veteran

Mamaroneck, NY - USA

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^^^ jealous!
If the weather dips below about 50F, we don't fly here in Dallas
I have a buddy in ATL, if the weather dips below 45 he comes to the filed with ear muffs on, really.

Be sure the juice is worth the sqweeze
Remember life is hard...even harder for stupid people

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10-29-2011 02:44 AM  6 years agoPost 9
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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Than come fly with us one time this winter. Just let me know when you come ahead of time.

Team Synergy, Rail blades, Team Scorpion, V-Team

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10-29-2011 03:48 AM  6 years agoPost 10
Justin Stuart (RIP)

rrMaster

Plano, Texas

My Posts: All  Forum  Topic

I've heard Canada is expensive, but I'd love to come up there and fly off some snow in the crystal clear air the morning after a big snowfall.

Winter in Dallas is like 40 to 50 degrees with some occasional rain.

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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10-29-2011 04:42 AM  6 years agoPost 11
spacecopter

rrApprentice

Calgary, CANADA

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Here are my Lipo-Heat-Tubes, that OICU812 mentioned before.

They are produced in Germany by the company:

http://www.etlz.de/

and they come in different sizes.

The tube measures the outside temperature and regulates the temperature inside of the heat tube.

If it's cold outside the heat inside will be approximately 40* Celsius.

Now - careful !!! if you drive in a warm car to the flight field - the heat tube will not kick in!

Since the heater of my car was broken anyway - I never had a problem.

I always had warm Lipos!
.
.
.

No sponsoring - I pay for what I fly

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10-29-2011 04:51 AM  6 years agoPost 12
spacecopter

rrApprentice

Calgary, CANADA

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No sponsoring - I pay for what I fly

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10-29-2011 06:12 AM  6 years agoPost 13
BobOD

rrElite Veteran

New York- USA

My Posts: All  Forum  Topic

We have a heated club house, therefore we leave the batteries in there until we use them.
Hey helix...we gotta make sure Ed sees this. You know...give him some ideas.

Nice shots Spacecopter. Beautiful actually.
I really like the snow shoe too.
So, the sack keeps your hands warm but what keeps your...oh, never mind.

Team POP Secret

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10-29-2011 06:15 AM  6 years agoPost 14
HeliMan Dave

rrVeteran

Suburban Chicago

My Posts: All  Forum  Topic

Mark,

Doesn't the top of that transmitter bag fall on your hands (or your hands hit the inside) when flying? We have those bags here at the LHS but I thought I'd need to design a support to keep the bag off my hands/fingers while flying.

Dave

ps, I like the pre-warming with the hair dryer.

Logo 700 / 600 / 500 V-Bar NEO / Blade 180CFX / mCPX BL / Nano / V-Control

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10-29-2011 01:48 PM  6 years agoPost 15
helixangle

rrKey Veteran

Mamaroneck, NY - USA

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I'm diggin the heli with snow shoes!, that's brilliant!

And what a mascot! How much for the dog?

Be sure the juice is worth the sqweeze
Remember life is hard...even harder for stupid people

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10-30-2011 04:33 AM  6 years agoPost 16
spacecopter

rrApprentice

Calgary, CANADA

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@ BobOD:

The heat-tubes are long enough to really keep everything warm
.
.

@HeliMan Dave:

If you want - you can attach something on your neck-strap (there where you hook in the transmitter)

to prevent the top of the radio glove "falling" down on your fingers.

Watch at YouTube

.
.
.
@ helixangle:

The dog is priceless - for everything else there is Mastercard

I guess almost every heli pilot of western Canada knows my dog - because we went to so many Fun Flys together (before I had a baby).
.
.

.

No sponsoring - I pay for what I fly

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10-30-2011 06:19 AM  6 years agoPost 17
HeliMan Dave

rrVeteran

Suburban Chicago

My Posts: All  Forum  Topic

Great, thanks Mark.

Can you post a pic (or PM me a pic) of the text from that TX glove information sheet? I'd like to read more and maybe order one.

Now if only I could keep my flight battery, V-Bar sensor and electronics warm in 20 below weather.

Logo 700 / 600 / 500 V-Bar NEO / Blade 180CFX / mCPX BL / Nano / V-Control

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10-30-2011 07:52 AM  6 years agoPost 18
spacecopter

rrApprentice

Calgary, CANADA

My Posts: All  Forum  Topic

Here is the manual:

P.s.: I don't keep the electronics warm at -20*C .

No problem for the sensors of my flybarless unit AC-3X.
.
.
.
.

No sponsoring - I pay for what I fly

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10-30-2011 12:28 PM  6 years agoPost 19
helixangle

rrKey Veteran

Mamaroneck, NY - USA

My Posts: All  Forum  Topic

spacecopter...

that was awesome, thanks for the video!

Be sure the juice is worth the sqweeze
Remember life is hard...even harder for stupid people

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10-31-2011 07:15 AM  6 years agoPost 20
Gas and Go

rrApprentice

Western Wisconsin- USA

My Posts: All  Forum  Topic

do you need to worry about the batteries getting cold when they are in the heil?
is there any power loss?

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