Temperatures acceptable for equipment while flying.....?

[Joe Lachowski]

Hey, bet you are glad you moved. They had some snow this week in your old 
neighborhood.

>From: "Ed Miller" <edbon85 at charter.net>
>Reply-To: discussion at nsrca.org
>To: <discussion at nsrca.org>
>Subject: Re: Temperatures acceptable for equipment while flying.....?
>Date: Wed, 5 Jan 2005 10:23:31 -0500
>
>I agree, 60 plus here in Knoxville Tn. Cold, been there, done that and have 
>no use for it : ).
>Ed M.
>   ----- Original Message -----
>   From: Earl Haury
>   To: discussion at nsrca.org
>   Sent: Wednesday, January 05, 2005 10:18 AM
>   Subject: Re: Temperatures acceptable for equipment while flying.....?
>
>
>   Chris
>
>   I pretty much agree with Karl, Chad, & Eric. The balsa foam airplane may 
>change trim, depending on the linkage, hard to tell just what will happen 
>with the composites. Batteries are the biggest concern. When I lived where 
>it got cold I would test airborne radio systems in the freezer at 0F. About 
>25% of the servos simply quit working - everything else seemed OK. As the 
>most volatile fuel component has a flash point (makes flammable vapors) of 
>+50F, engine starting is a problem. As Karl mentions, lighter fluid (couple 
>of drops) helps. My record for cold flight is -6F, but the best solution 
>I've found is moving south - been in the upper 70's in Houston all week.
>
>   Earl
>     ----- Original Message -----
>     From: Karl G. Mueller
>     To: discussion at nsrca.org
>     Sent: Wednesday, January 05, 2005 8:53 AM
>     Subject: Re: Temperatures acceptable for equipment while flying.....?
>
>
>     Chris,
>
>     Extreme cold and ultra violet rays will make most plastics more 
>brittle.
>     You will not get as much power out of your batteries as would in 
>warmer
>     weather.
>     In the years when we were running the .60 size engines we would use
>     Lighter Fluid to get the engines started.
>     Now I just don't go out any more in the cold weather. It does not get 
>as cold
>     around here (Toronto.Ontario) as it does out west. They were having 
>-35 Cº
>     with a wind chill  to - 45 Cº.  Brrrrrrrrrrrrrrr.
>     You wont stay outside longer than you have too at these temps.
>
>     Karl G. Mueller
>     kgamueller at rogers.com
>
>
>
>       ----- Original Message -----
>       From: White, Chris
>       To: discussion at nsrca.org
>       Sent: Wednesday, January 05, 2005 8:05 AM
>       Subject: Temperatures acceptable for equipment while flying.....?
>
>
>       Hi,
>
>       Hey, I was out flying on Christmas Eve in OK and it was about 22 
>degrees.....  I spent extra time warming the YS at idle, but thoughts were 
>crossing my mind about how bad the cold weather is on our equipment (nylon 
>components etc....) .  I'm sure the guys up North have limits on cold temps 
>and I'd be interested to hear your concerns or special cares.
>
>       I'm running a balsa/foam airplane, YS140 Sport (30% CP Heli fuel), 
>and a JR PCM 10X with Digitals and Nimh batteries.
>
>       Thanks for your feedback....!
>       Chris White


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