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#11
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De-icing
In article ,
"Viperdoc" wrote: TKS deicing fluid is isopropyl alcohol and ethylene glycol (antifreeze). You can spray it on a plane safely, including plexiglass, landing gear, props, etc. I've also bought cheaper non aviation stuff from home depot, and mixed it with hot water and sprayed it on the plane as well, which also works. What is it you purchase from HD? |
#12
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De-icing
Montblack wrote:
Your task - somehow scale up this success story to work for you. They tried something similar on a school 150 at Kupper about 20 years ago. I think it involved more like putting it in a heated hangar until things melted. Worked like a charm -- until they got about 1,000' off the ground. That melted snow re-froze and welded the ailerons in the neutral position. They made their way through the pattern by opening doors to turn. When they got down, they stayed. George Patterson Coffee is only a way of stealing time that should by rights belong to your slightly older self. |
#13
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De-icing
Use propylene glycol commonly sold as "RV antifreeze" it is non corrosive
and non toxic. Mike MU-2 "Kobra" wrote in message ... Flyers, I went to fly on Thursday and low and behold my baby was covered with a half inch of snow and ice. I could brush off the top 1/4 inch of snow, but the bottom 1/4 inch was ice that was welded to the airframe. I remembered that an instructor told me back in my primary training, that you could de-ice a plane with properly diluted anti-freeze bought at an auto supply and sprayed on with a garden sprayer. When I asked my A&P he said that "...people use all kinds of crap, but he didn't recommend any of it because it was bad for the plane. He said it could eat the paint and ruin rubber. He said even the de-icer that they make for airplanes is bad for the plane and that he'd never put that "$hit" on his plane. Now I'm scared to de-ice my plane. This is all new to me as this is our first winter out of our hangar. The owner raised the rent in the spring and we raised our middle finger in defiance. (BTW, I'm going to start a new thread on this hangar issue...it will be called "What would you pay?") So how to you all de-ice your planes and are my mechanic's fear justified on the use of auto anti-freeze? Kobra |
#14
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De-icing
I am curious about it also, and want to know what people who own composite
airplanes do about that nasty ice crust . How about applying a stream of hot air (a hair drier-type device)? Please advise! -- City Dweller "Kobra" wrote in message ... Flyers, I went to fly on Thursday and low and behold my baby was covered with a half inch of snow and ice. I could brush off the top 1/4 inch of snow, but the bottom 1/4 inch was ice that was welded to the airframe. I remembered that an instructor told me back in my primary training, that you could de-ice a plane with properly diluted anti-freeze bought at an auto supply and sprayed on with a garden sprayer. When I asked my A&P he said that "...people use all kinds of crap, but he didn't recommend any of it because it was bad for the plane. He said it could eat the paint and ruin rubber. He said even the de-icer that they make for airplanes is bad for the plane and that he'd never put that "$hit" on his plane. Now I'm scared to de-ice my plane. This is all new to me as this is our first winter out of our hangar. The owner raised the rent in the spring and we raised our middle finger in defiance. (BTW, I'm going to start a new thread on this hangar issue...it will be called "What would you pay?") So how to you all de-ice your planes and are my mechanic's fear justified on the use of auto anti-freeze? Kobra |
#15
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De-icing
Jay,
No, it is not 'exactly' the procedure that we have used. We use 'hot' not 'super hot' water from the tap. The water only needs to be warm enough to melt the ice and snow. The bag of 'hot' water typically rests on the ice/snow layer(not directly on the paint surface) until it softens and can be pushed off with a squeeze blade. Sudden and extreme change in temperatures is not good for any material. Very thin or improperly cured paint would be more sucesptible to crazing especially if the hot water is sprayed or splashed directly. Hai Longworth |
#16
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De-icing
City Dweller wrote:
I am curious about it also, and want to know what people who own composite airplanes do about that nasty ice crust . How about applying a stream of hot air (a hair drier-type device)? Please advise! The danger here is that the water will run and refreeze somewhere else. It is better to mix something with it that won't allow it to refreeze. Matt |
#17
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De-icing
No, it is not 'exactly' the procedure that we have used.
Whew! I had nightmarish visions of your beautiful new paint sloughing off onto the tarmac... ;-) Speaking of which: Where *are* those pix for the Rogues Gallery? -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#18
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De-icing
I bought the cheapest pink antifreeze ( which I believe is used for filling
outdoor sprinklers, etc. It consisted of ethylene glycol and water, without the isopropanol, but still does the job as deicing fluid, although I wouldn't put it in the TKS tank of my plane. |
#19
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De-icing
The pink stuff is usually propylene glycol It is sold as "RV antifreeze"
and can be used in drinking water systems and is non corrosive. Mike MU-2 "Viperdoc" wrote in message ... I bought the cheapest pink antifreeze ( which I believe is used for filling outdoor sprinklers, etc. It consisted of ethylene glycol and water, without the isopropanol, but still does the job as deicing fluid, although I wouldn't put it in the TKS tank of my plane. |
#20
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De-icing
Viperdoc wrote: I bought the cheapest pink antifreeze ( which I believe is used for filling outdoor sprinklers, Outdoor sprinklers are filled with air in the winter. You must live down south. |
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