Hot Water Cabin Heat

by Ken Ryan in 912 / 914 Technical Questions 7 years ago

I want to put hot water heat in my 914/SuperSTOL. I am looking at using a Setrab oil cooler with a fanpack. I would appreciate any comments as to the suitability (or not) of using an oil cooler as a hot water heater. Here is a link to the unit I am looking at:

http://www.setrabusa.com/products/fanpacks/fp119m22i/index.html

Thanks,

Ken

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Re: Hot Water Cabin Heat

by David HEAL » 7 years ago

David HEAL

23 186 415

I have an RV-12 ELSA that has a standard "engine coolant radiator" based cabin heat system. Hot air for the cabin is obtained from the coolant radiator via a pilot-controlled door. The system works great when the ambient temperature is high, but doesn't provide enough heat when the ambient temperature is low (some builders use aluminum plates or tape to block off a portion of the radiator during winter operations). I suspect that an "oil cooler based" system might present the same issue. An "exhaust pipe muff" system is similarly effected, but in my opinion not to the same degree (pun).

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Re: Hot Water Cabin Heat

by Ken Ryan » 7 years ago

Ken Ryan

28 360 928

David, can you provide any details regarding your hot water heater? Size, number of rows, btu rating, hose size, fan rating (amps, cubic feet per minute) etc.

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Re: Hot Water Cabin Heat

by David HEAL » 7 years ago

David HEAL

23 186 415

It's the standard coolant radiator as installed in an RV-12 ELSA. I'm guessing (I am not presently in the hangar) the radiator is 8" wide, 18" tall, and 1.5" thick with 1.5" hoses??? It is forced-air fed -- no fans involved.

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Re: Hot Water Cabin Heat

by James Ott » 7 years ago

James Ott

22 322 358

Kitfox Aircraft has a cabin heater kit that uses a small radiator with a dual fan pack. It tees off the main coolant lines and works quite well for many of us Kitfox guys even down to quite low ambient temps. Comes with fittings, hoses and tees.

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Re: Hot Water Cabin Heat

by Ken Ryan » 7 years ago

Ken Ryan

28 360 928

Thanks for the feedback. I think I am going to try the Setrab fanpack. It will be an experiment, but think it will make a powerful (and very compact and lightweight) heater.

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Hot Water Cabin Heat

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