<VV> Corvair heater

[William Hubbell]

Interesting concept. The problem is there will always be a constant supply of heat from the exhaust manifolds but there won't be a constant demand for heat in the passenger compartment (especially in summer), so there needs to be a way to dump the excess heat. It would probably work if he put another oil cooler (or radiator) in front of car, similar to trunk A/C setups, with a couple of tees and a diverting valve to allow a variable flow of hot water through the cabin heater core, similar to the way water-cooled car heater systems work. 

Bill Hubbell

On Dec 29, 2011, at 11:58 AM, Matt Nall <patiomatt at aol.com> wrote:

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> A friend of mine actually made a hot water heater for his Corvair. He used late 
> smog exhaust manifolds with the vertical tubes removed and plugged. He drilled 
> and tapped the front end of the manifolds for a pipe thread. He put an electric 
> water pump and reservoir in the engine compartment to supply water thru steel 
> tubes down thru the manifolds and then up front to a big oil cooler used as a 
> heat exchanger. The system actually worked for a while until the water got so 
> hot in the manifolds that it turned to steam thereby vapor locking the whole 
> system! Oh well, you never know until you try what will work. Maybe a special 
> manifold with more water capacity would not have boiled the water so soon. The 
> small port thru the stock manifold just didn't flow enough water to keep the 
> system functioning. At least there were no oil fumes in the heater! 
> Clark Hartzel 
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> Tell him I applaud him for "thinking outside the box"
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> That  was a great idea..
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> Matt Nall
> Charleston, Oregon
> http://tinyurl.com/The-Patio
> http://tinyurl.com/Matts-Tech-Pages
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