heli versus cold! - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 12-17-2005, 12:50 PM   #11
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Aluminum shrinks leaving a loose belt on a Raptor 30/50 when the boom length changes. Not only do you have to remember to tighten it after it drops to temp. you have to loosen it again before it warms up again inside or the belt ends up too tight.

Batteries don't last as long in the cold.

Servo's have an operational temp range which is usually about -20. You can't just look at the thermomitor though, you have to consider wind chill. The temp where your standing still at ground level isn't the same 100 feet up at speed.

That said, we had a FF on Jan 1st a few years back and it was easily -20 and we all flew (about 7 of us) our various machines and they were fine. Flights were very short though due to pilot choice and the heli's were kept warm between flights.

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Old 12-21-2005, 11:23 AM   #12
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Wind chill should have anything to do with it, Since it is and artificial number that represents how cold it appears to be to the human body caused by the wind striping heat away from you faster than the still air alone would do.
For anything that doesn't produce heat, the wind chill will only affect how quickly it cools to the ambient air temperature.
Or are you suggesting that the engine keeps the helicopter warm?
That others may live
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Old 12-21-2005, 06:55 PM   #13
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Winter Flying

Evening All

Winter flying is a challenge.

With the glow stuff I had to loosen the glow plug because of compression problems and then try to remember to tighten it up before it vibrated out. Like Colin said the performance in denser air is much improved.

I used foam pipe insulation on the skids for a float type of set up. Using small diameter first then adding a larger diameter layer.

Do keep the tail rotor out of the snow. Surprising how quickly you can damage them even in light powdery snow.

I now prefer using gassers in the winter as starting is easier and less support stuff to lug out.

Before our club house was heated I would bring out several pairs of mitts along with hot vices in a briefcase to warm up my hands between flights.

I now have a nifty TX mitt.

At times snow shoes helped to get around.

I stopped using my parka hood as at time my glasses would fog up from my breath.
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Old 12-22-2005, 03:05 AM   #14
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Oh yeah Donovan, that does sound like fun!


Thank goodness for G3 and indoor!

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Old 12-23-2005, 01:33 PM   #15
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As in another post, I made a foam pocket to keep the batt. warm in the Hirobo XRB. Was only getting 8 mins outside now I get the 15 mins that I get flying indoors.
Tried for my kamikazi pilots licence. Flunked the test.
MAAC 5276
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Old 01-11-2006, 07:14 AM   #16
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I love flying my electrics in winter. I finally get to stop checking if the motor and esc are heating up on my Corona.

I found my GY240 gyro was sometimes affected by the temp change. In around -10 to -15 it would be fine if you allowed it to adjust. I would let the heli sit outside for a couple minutes to even the temperature out. But then in flight the gyro would get warm inside and it would wag the tail a bit. But my lipos and electronics were never overheating.

I don't fly my glow ones in winter yet, don't trust my thumbs when they are cold with something that size.

And the wind chill does affect the heli. Yes a wind chill is a measure of the moving air taking more heat from the body but the same concept applies to anything losing heat in the wind. So YES, watch out for the wind chill factor. On a nice -15 day (If that's nice I guess ) while in forward flight, the electronics can be chilled very fast. The faster you go, the more efficient the air will be at displacing the heat. So be careful not to freeze them lipos either.

Don't let the snow stop you!!!
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