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Using car exhaust for engine Pre- heat??
Greetings:
It's winter here in Tennessee a question for the group: If I took a flexible Aluminim duct,/ hose hooked it up to my car exhaust pipe, then put the other end in the lower end of the engine cowling to pre- heat the aircraft's engine would this cause any problems? I would drill a small hole in the cars exhaust pipe to allow for exhaust water to escape Today's cars are very clean burning with almost zero emissions or so they say? I would not direct the exhaust at the airframe or the engine just enough to enter the cowling at the nose strut. I would open the oil door to allow a flow of exhaust. I would leave the cabin door open on the aircraft to make sure no CO2 besides, my aircraft has a CO2 detector installed. I would allow the exhaust to heat the engine up just enough to get it past freezing give or take plus turn the prop to limber the oil This seems like a inexpensive idea to pre heat Any corrosion potential ?? What do you think Thank you for your comments. |
#2
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Using car exhaust for engine Pre- heat??
How cold? What weight oil?
The main problem with car exhaust is that all that water will condense all over the cold airplane engine. Also, if the car is idling, the exhaust might not be all that hot (i.e. slow process). |
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Using car exhaust for engine Pre- heat??
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#4
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Using car exhaust for engine Pre- heat??
Typical exhaust gas temps at the tail pipe would not be hot enough. I
would worry about corrosive gases, condensation etc getting into and behind the instrument panel and gauges. I use the "Red Dragon" and preheat for at least 30 minutes. Even if you rev'd the engine on your car, you would never come close to the temps that a good propane heater does. Just my 2 cents... Good luck Terry N6401F |
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Using car exhaust for engine Pre- heat??
On Jan 14, 3:02*pm, wrote:
Greetings: It's winter here in Tennessee *a question for the group: *If I took a flexible *Aluminim duct,/ hose hooked it up to my car exhaust pipe, then put the other end in the lower end of the engine *cowling to pre- heat the aircraft's *engine *would this cause any problems? If you do this can you video tape it and send a copy to the CMT? -Robert |
#6
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Using car exhaust for engine Pre- heat??
On 01/26/09 13:15, Robert M. Gary wrote:
On Jan 14, 3:02�pm, wrote: Greetings: It's winter here in Tennessee �a question for the group: �If I took a flexible �Aluminim duct,/ hose hooked it up to my car exhaust pipe, then put the other end in the lower end of the engine �cowling to pre- heat the aircraft's �engine �would this cause any problems? If you do this can you video tape it and send a copy to the CMT? -Robert I get what you're saying, but what is CMT? Acronym Finder was of little help :-( -- Mark Hansen, PP-ASEL, Instrument Airplane, USUA Ultralight Pilot Cal Aggie Flying Farmers Sacramento, CA |
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Using car exhaust for engine Pre- heat??
On Jan 26, 1:39*pm, Mark Hansen wrote:
I get what you're saying, but what is CMT? Acronym Finder was of little help :-( Country Music Television. They have a redneck version of Americas Funniest Home Videos. -Robert |
#8
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Using car exhaust for engine Pre- heat??
wrote in message ... Greetings: It's winter here in Tennessee a question for the group: If I took a flexible Aluminim duct,/ hose hooked it up to my car exhaust pipe, then put the other end in the lower end of the engine cowling to pre- heat the aircraft's engine would this cause any problems? I would drill a small hole in the cars exhaust pipe to allow for exhaust water to escape Today's cars are very clean burning with almost zero emissions or so they say? I would not direct the exhaust at the airframe or the engine just enough to enter the cowling at the nose strut. I would open the oil door to allow a flow of exhaust. I would leave the cabin door open on the aircraft to make sure no CO2 besides, my aircraft has a CO2 detector installed. I would allow the exhaust to heat the engine up just enough to get it past freezing give or take plus turn the prop to limber the oil This seems like a inexpensive idea to pre heat Any corrosion potential ?? What do you think Thank you for your comments. Depending on your ambient temps and if you have a hangar with electric, just a sealed light bulb (100 or 120 watts) hanging in your oil door might be all you need. Just make sure the bulb is sealed in a casing, such as a drop light, and won't burn any hoses or such. You could put it on a timer that goes off at say at 11 pm and turns back on at 7 am...or whatever would suit your flying needs. They make inexpensive times that even know what day of the week it is and if you only fly on Saturday and Sunday...well you get the idea. Reiff and Tanis Heaters are pretty inexpensive to buy and install...again, if you have electric in your hangar. Without electric and a hangar...hmmm...there's always the FBO 25 dollar fee or a propane fired pre-heater...but unless you make it yourself...it's pretty expensive. There can't be much to it. A propane tank, a regulator and hose, a squirrl cage fan, two clothes dryer hoses and some type of heat exchanger box. I'm sure someone has posted a home-made unit online somewhere. Readers, anyone know of such a thing?? Kobra |
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Using car exhaust for engine Pre- heat??
On Fri, 30 Jan 2009 22:54:32 GMT, "Kobra"
wrote: wrote in message ... Greetings: It's winter here in Tennessee a question for the group: If I took a flexible Aluminim duct,/ hose hooked it up to my car exhaust pipe, then put the other end in the lower end of the engine cowling to pre- heat the aircraft's engine would this cause any problems? I would drill a small hole in the cars exhaust pipe to allow for exhaust water to escape Today's cars are very clean burning with almost zero emissions or so they say? I would not direct the exhaust at the airframe or the engine just enough to enter the cowling at the nose strut. I would open the oil door to allow a flow of exhaust. I would leave the cabin door open on the aircraft to make sure no CO2 besides, my aircraft has a CO2 detector installed. I would allow the exhaust to heat the engine up just enough to get it past freezing give or take plus turn the prop to limber the oil This seems like a inexpensive idea to pre heat Any corrosion potential ?? What do you think Thank you for your comments. Depending on your ambient temps and if you have a hangar with electric, just a sealed light bulb (100 or 120 watts) hanging in your oil door might be all you need. Just make sure the bulb is sealed in a casing, such as a drop light, and won't burn any hoses or such. You could put it on a timer that goes off at say at 11 pm and turns back on at 7 am...or whatever would suit your flying needs. They make inexpensive times that even know what day of the week it is and if you only fly on Saturday and Sunday...well you get the idea. Reiff and Tanis Heaters are pretty inexpensive to buy and install...again, if you have electric in your hangar. Without electric and a hangar...hmmm...there's always the FBO 25 dollar fee or a propane fired pre-heater...but unless you make it yourself...it's pretty expensive. There can't be much to it. A propane tank, a regulator and hose, a squirrl cage fan, two clothes dryer hoses and some type of heat exchanger box. I'm sure someone has posted a home-made unit online somewhere. Readers, anyone know of such a thing?? Kobra I have a radiant heater that I built an aluminum box in front of and off of it A couple 5" heat ducts that go into the cowl inlets it works OK but I'm sure it would be better with a fan. A blanket over the cowl is needed to keep the heat in. This is the heater I use. http://www.mrheater.com/productdetai...catid=42&id=21 |
#10
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Using car exhaust for engine Pre- heat??
On Jan 14, 11:22*pm, Clark wrote:
wrote in news:0aed474f-8115-4575-84e4-18b6c58bb1b3 @n10g2000vbl.googlegroups.com: Greetings: It's winter here in Tennessee *a question for the group: *If I took a flexible *Aluminim duct,/ hose hooked it up to my car exhaust pipe, then put the other end in the lower end of the engine *cowling to pre- heat the aircraft's *engine *would this cause any problems? I would drill a small hole in the cars exhaust pipe to allow for exhaust water to escape Today's cars are very clean burning with almost zero emissions or so they say? *I would not direct the exhaust at the airframe or the engine just enough to enter the cowling at the nose strut. I would open the oil door to allow a flow of exhaust. I would leave the cabin door open on the aircraft to make sure no CO2 * besides, my aircraft has a CO2 detector installed. Carbonic acid isn't the problem but the nitrogen oxides and sulfur oxides combine with the water of combustion to make nitric and sulfuric acids! |
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