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firestar503
Joined: 15 Apr 2012
Posts: 10
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 Posted: Sun Jan 20, 2013 8:41 pm Post subject: 912 cabin heater |
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Kolbers,
Someone or maybe many of you must have pulled the hot water off a 912 and piped it into a small heater core for the cabin heat. I would appreciate it if you would describe the plumbing. Where did you pull the coolant out and where did you connect the return line. Pictures would be great. Did anyone have any problems with coolant circulating or engine temps after installing the heater cores?
Thanks guys.
Jon L
Minnesota
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byoungplumbing(at)gmail.c
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| Posted: Sun Jan 20, 2013 11:15 pm Post subject: 912 cabin heater |
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jon
I have the 912 and the radiator is just behind and below the engine. just ahead of the inlet and outlet of the radiator, I installed 2 tees. pointed down. ran radiator hose from there down inside the rear cage area behind the fuel tank. there attached the radiator hose to a small heater core. mounted a computer cooling fan to the back of the core. the fan takes air from inside the cage area and recirculates the air inside, I have a 2 inch duct taking air to the nose cone up near my feet that run cold when flying in cooler weather. I did not want hot water running under my legs to the nose of the plane... and if I had a leak in the coolent lines it would be hard pressed to get to my person. I run the radiator and fan all the time.... in the summer I use it to eliminate excess heat from the engine.... and with the vents open, I personally never over heat,,, in the winter it helps take the edge off the cold temps. but it cant keep up when the temps are real cold. the only problem I had was a precieved one.... on the first day I used it I took of it was 20 and when I landed it was 10 deg F I thought it was not working,,, till I opened the door and the real cold air rushed in.. it was working,,, just not keeping up. in the winter I have to tape over a good part of the main radiator in order to keep the temps up. rotax says there is no minimum water temps for the 912 so they don’t make a thermostat for the engine. if I could find a good thermostat housing the engine would warm up quicker, but be one more thing to keep an eye on.
boyd young
mkiii
From: Jon LaVasseur (firestar503(at)yahoo.com)
Sent: Sunday, January 20, 2013 9:40 PM
To: Kolb List (kolb-list(at)matronics.com)
Subject: 912 cabin heater
Kolbers,
Someone or maybe many of you must have pulled the hot water off a 912 and piped it into a small heater core for the cabin heat. I would appreciate it if you would describe the plumbing. Where did you pull the coolant out and where did you connect the return line. Pictures would be great. Did anyone have any problems with coolant circulating or engine temps after installing the heater cores?
Thanks guys.
Jon L
Minnesota
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frank goodnight
Joined: 27 Dec 2011
Posts: 126
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| Posted: Mon Jan 21, 2013 6:11 am Post subject: 912 cabin heater |
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From: b young <byoungplumbing(at)gmail.com>
To: kolb-list(at)matronics.com
Sent: Mon, January 21, 2013 1:15:55 AM
Subject: Re: 912 cabin heater
Morning Boyd,
I haven't asked anyone yet , but want to install some type of heat in my 701 before next
winter. The way you did it seems simple and pretty much fool proof.
Do you think a larger fan would warm things more , the older i get--71--the colder i get.
Thanks for the explanation.
Frank
do not archive
jon
I have the 912 and the radiator is just behind and below the engine. just ahead of the inlet and outlet of the radiator, I installed 2 tees. pointed down. ran radiator hose from there down inside the rear cage area behind the fuel tank. there attached the radiator hose to a small heater core. mounted a computer cooling fan to the back of the core. the fan takes air from inside the cage area and recirculates the air inside, I have a 2 inch duct taking air to the nose cone up near my feet that run cold when flying in cooler weather. I did not want hot water running under my legs to the nose of the plane... and if I had a leak in the coolent lines it would be hard pressed to get to my person. I run the radiator and fan all the time.... in the summer I use it to eliminate excess heat from the engine... and with the vents open, I personally never over heat,,, in the winter it helps take the edge off the cold temps. but it cant keep up when the temps are real cold. the only problem I had was a precieved one.... on the first day I used it I took of it was 20 and when I landed it was 10 deg F I thought it was not working,,, till I opened the door and the real cold air rushed in.. it was working,,, just not keeping up. in the winter I have to tape over a good part of the main radiator in order to keep the temps up. rotax says there is no minimum water temps for the 912 so they don’t make a thermostat for the engine. if I could find a good thermostat housing the engine would warm up quicker, but be one more thing to keep an eye on.
boyd young
mkiii
From: Jon LaVasseur (firestar503(at)yahoo.com)
Sent: Sunday, January 20, 2013 9:40 PM
To: Kolb List (kolb-list(at)matronics.com)
Subject: 912 cabin heater
Kolbers,
Someone or maybe many of you must have pulled the hot water off a 912 and piped it into a small heater core for the cabin heat. I would appreciate it if you would describe the plumbing. Where did you pull the coolant out and where did you connect the return line. Pictures would be great. Did anyone have any problems with coolant circulating or engine temps after installing the heater cores?
Thanks guys.
Jon L
Minnesota
[quote][b]
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Thumper
Joined: 24 Aug 2008
Posts: 46
Location: Oakland TN.
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| Posted: Mon Jan 21, 2013 7:11 am Post subject: 912 & 583 Thermostat and cabin heater |
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Heater and Thermostat information.
Here is information on a thermostat and heater. Works great and only pulls 40 watts max =2.5amp. Thermostat article from John Gilpin at stolspeed.com. Thermostat at radiator inlet, no more tape or louvers for the radiator on engines that run cold. And it helps the engine warm up a little faster, not a lot faster. But maintains stable temps of 165 winter and 195 summer with the 180 degree thermostat.
http://shop.watt-man.com/Thermo-Bob-1-Universal-Kit-with-One-Inch-Fittings-TB1.htm
Heater is an oil cooler with fan that moves lots of air and it will remove a fingertip so keep hands clear. Use a DPDT switch and it can be wired reversing so on a Kolbra put it between pilot and passenger and reverse as needed. Tee into the radiator hoses between the engine and thermostat for consistant warm water, I used copper water fittings to make what I needed. Will work on 583 also. I suggest using the above thermostat even on 583 as with the bypass maybe it can help with cold seizures on those engines since it will never be completely closed? I mounted it below the seat and just blow forward or back depending on who needs the heat. With a sealed cabin I only run it less than 5-10% of the time when in the low 30's. Small 6"x6"x4"and lightweight. 1/2" heater hose I used but could probably be smaller since the engine with the thermostat runs 165 consistent on these cold days.
http://www.amazon.com/Northern-HURRICANE-Oil-Cooler-Cooling/dp/B005UO2NI8
Have a great day and now I fly no matter how cold it is. Photo's and switch wiring available off line unless everyone wants them.
Dennis in not real cold west Tennessee.
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_________________
Dennis Long
Oakland TN
2000 Aeroprakt A20 Vista Cruiser, 2016 A22LS Aeroprakt
Previously Kolb Mark IIIC, 94 Firestar, 84 Ultrastar.
1200+hours since 1/1/2009 |
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byoungplumbing(at)gmail.c
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| Posted: Mon Jan 21, 2013 8:51 am Post subject: 912 cabin heater |
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yes I do believe a larger fan would do more to keep things warm. the problem is finding a larger fan and keep the weight down. the other thing that would go a long way to keep things warm is some type of insulation on the cabin walls, ceiling, and floor.
boyd young mkiii
From: frank goodnight (frank.goodnight(at)att.net)
Sent: Monday, January 21, 2013 7:11 AM
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Subject: Re: 912 cabin heater
From: b young <byoungplumbing(at)gmail.com>
To: kolb-list(at)matronics.com
Sent: Mon, January 21, 2013 1:15:55 AM
Subject: Re: 912 cabin heater
Morning Boyd,
I haven't asked anyone yet , but want to install some type of heat in my 701 before next
winter. The way you did it seems simple and pretty much fool proof.
Do you think a larger fan would warm things more , the older i get--71--the colder i get.
Thanks for the explanation.
Frank
do not archive
jon
I have the 912 and the radiator is just behind and below the engine. just ahead of the inlet and outlet of the radiator, I installed 2 tees. pointed down. ran radiator hose from there down inside the rear cage area behind the fuel tank. there attached the radiator hose to a small heater core. mounted a computer cooling fan to the back of the core. the fan takes air from inside the cage area and recirculates the air inside, I have a 2 inch duct taking air to the nose cone up near my feet that run cold when flying in cooler weather. I did not want hot water running under my legs to the nose of the plane... and if I had a leak in the coolent lines it would be hard pressed to get to my person. I run the radiator and fan all the time.... in the summer I use it to eliminate excess heat from the engine.... and with the vents open, I personally never over heat,,, in the winter it helps take the edge off the cold temps. but it cant keep up when the temps are real cold. the only problem I had was a precieved one.... on the first day I used it I took of it was 20 and when I landed it was 10 deg F I thought it was not working,,, till I opened the door and the real cold air rushed in.. it was working,,, just not keeping up. in the winter I have to tape over a good part of the main radiator in order to keep the temps up. rotax says there is no minimum water temps for the 912 so they don’t make a thermostat for the engine. if I could find a good thermostat housing the engine would warm up quicker, but be one more thing to keep an eye on.
boyd young
mkiii
From: Jon LaVasseur (firestar503(at)yahoo.com)
Sent: Sunday, January 20, 2013 9:40 PM
To: Kolb List (kolb-list(at)matronics.com)
Subject: 912 cabin heater
Kolbers,
Someone or maybe many of you must have pulled the hot water off a 912 and piped it into a small heater core for the cabin heat. I would appreciate it if you would describe the plumbing. Where did you pull the coolant out and where did you connect the return line. Pictures would be great. Did anyone have any problems with coolant circulating or engine temps after installing the heater cores?
Thanks guys.
Jon L
Minnesota
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href="http://www.matronics.com/c' target=_blank>http://www.matronics.com/contribution">http://www.matronics.com/c
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smlplanet(at)msn.com
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| Posted: Mon Jan 21, 2013 9:02 am Post subject: 912 cabin heater |
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You may check into a 4 " bilge exhaust blower which is what I use on mine. My cabin is completely enclosed from the seats forward and have a 4"vent hose ducted into it. By reversing the polarity with a switch it can be reverse the motor and draw air or heat out of the cabin. These motors are designed for high volume air flow and very light weight.
From: byoungplumbing(at)gmail.com
To: kolb-list(at)matronics.com
Subject: Re: 912 cabin heater
Date: Mon, 21 Jan 2013 09:50:54 -0700
yes I do believe a larger fan would do more to keep things warm. the problem is finding a larger fan and keep the weight down. the other thing that would go a long way to keep things warm is some type of insulation on the cabin walls, ceiling, and floor.
boyd young mkiii
From: frank goodnight (frank.goodnight(at)att.net)
Sent: Monday, January 21, 2013 7:11 AM
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Subject: Re: 912 cabin heater
From: b young <byoungplumbing(at)gmail.com>
To: kolb-list(at)matronics.com
Sent: Mon, January 21, 2013 1:15:55 AM
Subject: Re: Kolb-List: 912 cabin heater
Morning Boyd,
I haven't asked anyone yet , but want to install some type of heat in my 701 before next
winter. The way you did it seems simple and pretty much fool proof.
Do you think a larger fan would warm things more , the older i get--71--the colder i get.
Thanks for the explanation.
Frank
do not archive
jon
I have the 912 and the radiator is just behind and below the engine. just ahead of the inlet and outlet of the radiator, I installed 2 tees. pointed down. ran radiator hose from there down inside the rear cage area behind the fuel tank. there attached the radiator hose to a small heater core. mounted a computer cooling fan to the back of the core. the fan takes air from inside the cage area and recirculates the air inside, I have a 2 inch duct taking air to the nose cone up near my feet that run cold when flying in cooler weather. I did not want hot water running under my legs to the nose of the plane... and if I had a leak in the coolent lines it would be hard pressed to get to my person. I run the radiator and fan all the time.... in the summer I use it to eliminate excess heat from the engine.... and with the vents open, I personally never over heat,,, in the winter it helps take the edge off the cold temps. but it cant keep up when the temps are real cold. the only problem I had was a precieved one.... on the first day I used it I took of it was 20 and when I landed it was 10 deg F I thought it was not working,,, till I opened the door and the real cold air rushed in.. it was working,,, just not keeping up. in the winter I have to tape over a good part of the main radiator in order to keep the temps up. rotax says there is no minimum water temps for the 912 so they don’t make a thermostat for the engine. if I could find a good thermostat housing the engine would warm up quicker, but be one more thing to keep an eye on.
boyd young
mkiii
From: Jon LaVasseur (firestar503(at)yahoo.com)
Sent: Sunday, January 20, 2013 9:40 PM
To: Kolb List (kolb-list(at)matronics.com)
Subject: 912 cabin heater
Kolbers,
Someone or maybe many of you must have pulled the hot water off a 912 and piped it into a small heater core for the cabin heat. I would appreciate it if you would describe the plumbing. Where did you pull the coolant out and where did you connect the return line. Pictures would be great. Did anyone have any problems with coolant circulating or engine temps after installing the heater cores?
Thanks guys.
Jon L
Minnesota
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