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Firedog(at)visi.com
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 Posted: Sat Dec 22, 2012 5:20 am Post subject: Flying in Winter |
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Happy Holidays Yaksters….
Kelley and I have been discussing the perils of flying CJ’s in the winter. I brought up the oil temperatures and the need to block the air intake for the oil cooler.
How can this be effectively accomplished?
He, being the wise one offered this heart stopping thought: “What about the freezing of water/oil slurry in the pneumatic system? Could this be why the Chinese don’t fly CJ’s in the winter?”
“What happens if any of the actuators get moisture in it and fails to function…..”
So, I pose these questions to you all. Can CJ’s be flown without worry of freeze-up in the winter…excluding the pilot….?
Ever the rookie…and
Standing by in “only getting colder Minnesota”
ras
Dr. Robert A. Schroeder
Schroeder Fire Inc.
612.922.2349
[quote][b]
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czech6(at)mesanetworks.ne
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| Posted: Sat Dec 22, 2012 6:13 am Post subject: Flying in Winter |
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I moved to warmer climate. Never had a problem since.
Merry Christmas
Bill
On Dec 22, 2012, at 6:17 AM, "Dr. Robert Schroeder" <Firedog(at)visi.com (Firedog(at)visi.com)> wrote:
[quote] <![endif]--> <![endif]-->
Happy Holidays Yaksters….
Kelley and I have been discussing the perils of flying CJ’s in the winter. I brought up the oil temperatures and the need to block the air intake for the oil cooler.
How can this be effectively accomplished?
He, being the wise one offered this heart stopping thought: “What about the freezing of water/oil slurry in the pneumatic system? Could this be why the Chinese don’t fly CJ’s in the winter?”
“What happens if any of the actuators get moisture in it and fails to function…..”
So, I pose these questions to you all. Can CJ’s be flown without worry of freeze-up in the winter…excluding the pilot….?
Ever the rookie…and
Standing by in “only getting colder Minnesota”
ras
Dr. Robert A. Schroeder
Schroeder Fire Inc.
612.922.2349
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desmor944(at)aol.com
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| Posted: Sat Dec 22, 2012 7:15 am Post subject: Flying in Winter |
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Robert,
I have been flying my CJ through the last 12 New England winters without issue. Biggest problem is taxiing on snow or sinking into thawing ground.
Doug Sapp makes a very nice kit for the oil cooler inlet duct. It includes a screen to keep debris out of the duct year round, and a removable, adjustable restricter plate for the winter. A photo is attached. It does a good job of keeping the oil temperature where it should be,
I'll turn the hangar heat on a few hours before the pre-flight, and have no problem starting or getting the oil circulating. For the pilot, get a CWU-64/P winter nomex flight suit. These show up as surplus on occasion. I am still running the original generator, so with excess available electrical power, there is a 24 volt quartz heater under the rear panel for the passenger. With a bright sun shining in through the plexiglass canopy, this combination has been comfortable down to 10 DegF.
Be religious about draining the snot bottle and brake drain. I have not experienced any freezing problems.
Quahog
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dougsappllc(at)gmail.com
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| Posted: Sat Dec 22, 2012 7:22 am Post subject: Flying in Winter |
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Robert,I have a few of the CJ winterization kits in inventory, fits into the wing oil cooler duct also comes with a FOD screen to prevent trash from being placed into your duct while at a airshow. I built this screen after finding a paper coke cup and a burger wrapper in my oil cooler duct during preflight just before leaving a air show. These will not fit the Yak 52.
Also have some of theChineseinsulated cowl wraps which fit CJ or Yak, they are fitted to cover the cowl.
Contact me off list if interested.
Best Christmas greetings from our house to yours,
Doug and Kathleen
On Sat, Dec 22, 2012 at 5:17 AM, Dr. Robert Schroeder <Firedog(at)visi.com (Firedog(at)visi.com)> wrote:
[quote]
Happy Holidays Yaksters.
Kelley and I have been discussing the perils of flying CJs in the winter. I brought up the oil temperatures and the need to block the air intake for the oil cooler.
How can this be effectively accomplished?
He, being the wise one offered this heart stopping thought: What about the freezing of water/oil slurry in the pneumatic system? Could this be why the Chinese dont fly CJs in the winter?
What happens if any of the actuators get moisture in it and fails to function..
So, I pose these questions to you all. Can CJs be flown without worry of freeze-up in the winterexcluding the pilot.?
Ever the rookieand
Standing by in only getting colder Minnesota
ras
Dr. Robert A. Schroeder
Schroeder Fire Inc.
[url=tel:612.922.2349]612.922.2349[/url]
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et="_blank">http://www.matronics.com/Navigator?Yak-List
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Adrian Coop Cooper
Joined: 02 Feb 2010
Posts: 37
Location: Vancouver, BC
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| Posted: Sat Dec 22, 2012 11:19 am Post subject: Re: Flying in Winter |
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Quahog.
Please tell us more about the 24 volt quartz heater. Brand, where you got it, that sort of thing. Photo(s) would be great. It's not that cold up here in Vancouver but the damp really gets to a person.
Thanks.
Coop.
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cpayne(at)joimail.com
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| Posted: Sat Dec 22, 2012 1:56 pm Post subject: Flying in Winter |
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Winter Flying in Florida is no big deal. After shoveling 12 inches of Sunshine away from the hanger door, I merely close the canopy on takeoff. In severely cold weather, I close the air vent too.
Craig Payne
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cjpilot710(at)aol.com
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| Posted: Sat Dec 22, 2012 2:02 pm Post subject: Flying in Winter |
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In a message dated 12/22/2012 4:56:38 PM Eastern Standard Time, cpayne(at)joimail.com writes:
| Quote: | Winter Flying in Florida is no big deal. After shoveling 12 inches of Sunshine away from the hanger door, I merely close the canopy on takeoff. In severely cold weather, I close the air vent too.
Craig Payne |
Boy! an't that the truth! If wanted man to be in the snow and ice, He'd put long hair all over his body.
Jim "Pappy" Goolsby (Fellow Floridaian)
[quote][b]
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Firedog(at)visi.com
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| Posted: Sun Dec 23, 2012 4:04 am Post subject: Flying in Winter |
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Yaksters,
Thank you for your comments and guidance. Winter can be long and cold here in MN.
Flying can psychologically shorten the duration of this period. I’m going to implement these suggestions.
Happy Holidays to all….
Robert
Dr. Robert A. Schroeder
Schroeder Fire Inc.
612.922.2349
[quote][b]
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czech6(at)mesanetworks.ne
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| Posted: Sun Dec 23, 2012 7:18 am Post subject: Flying in Winter |
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The moving part?
Bill
On Dec 23, 2012, at 5:01 AM, "Dr. Robert Schroeder" <Firedog(at)visi.com (Firedog(at)visi.com)> wrote:
[quote] <![endif]--> <![endif]-->
Yaksters,
Thank you for your comments and guidance. Winter can be long and cold here in MN.
Flying can psychologically shorten the duration of this period. I’m going to implement these suggestions.
Happy Holidays to all….
Robert
Dr. Robert A. Schroeder
Schroeder Fire Inc.
612.922.2349
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uilthelp.com
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cs.com
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[b]
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desmor944(at)aol.com
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| Posted: Mon Dec 24, 2012 9:58 am Post subject: Flying in Winter |
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Coop,
Check out S24-3500 or S24-4500 at this link. http://www.sportsimportsltd.com/us-made-polymer-composite-12-24-36-or-48-volt-quartz-heater.html
Photo shows the heater mounted on the cross member behind the front seat. Switch is in the right front console and wired to the battery buss. Amp meter will definitely let you know when the heater is on.
Quahog
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viperdoc(at)mindspring.co
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| Posted: Tue Dec 25, 2012 5:28 am Post subject: Flying in Winter |
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Re: Glycerin injected into the air system.
That is normally done when you pull your air bottles. Use a 50:50 mixture of alcohol and glycerine. A small amount goes a long way. Like 4 cc's. if you have a maintenance manual the task cards will give you instructions.
Doc
Sent from my iPad
On Dec 24, 2012, at 11:55 AM, desmor944(at)aol.com (desmor944(at)aol.com) wrote:
[quote] Coop,
Check out S24-3500 or S24-4500 at this link. http://www.sportsimportsltd.com/us-made-polymer-composite-12-24-36-or-48-volt-quartz-heater.html
Photo shows the heater mounted on the cross member behind the front seat. Switch is in the right front console and wired to the battery buss. Amp meter will definitely let you know when the heater is on.
Quahog
--
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ChangDriver
Joined: 15 Sep 2007
Posts: 266
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| Posted: Tue Dec 25, 2012 5:37 am Post subject: Re: Flying in Winter |
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The 3500 model draws 35 amps and the 4500 model draws 45 amps. Yikes. You need to run #8 GA wire at a minimum (http://www.windsun.com/Hardware/Wire_Table.htm) in the 24 VDC system. Also, the heater draw along with the avionics draw will nearly exceed the capacity of the generator. Most US alternators put in these planes are rated at 50 Amps.
A better choice is battery powered heated clothing. No need for wiring or a cigarette lighter to plug them in.
http://www.ventureheat.com/
Preheating the engine or installing heat pads on the sump, oil cooler and oil tanks will go a long way to increasing engine life.
Fly safe.
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