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Re: Picked up another turbo dodge.
Originally Posted by kain
this is only for a blow through setup. allot of rx7 guys do it to their first gens and run serious boost.
The fuel, carb, and air will be at ambient temperature or higher, so where is this freezing temperature coming from? I'm not saying it's not possible, I'm just asking how it is possible. |
Re: Picked up another turbo dodge.
He is saying that it is happening from the gas becoming atomized, but I think he is thinking that it is experiencing a phase change (from liquid to gas) and thus absorbing more energy (in the form of heat loss) but I'm pretty sure when fuel is atomized its just being broken into very tiny little bits of liquid, not actually becoming vapor/gas, and there is therefore no phase change, and is therefore very unlikely to experience icing in a carb. Just my 2 cents though.
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Re: Picked up another turbo dodge.
Originally Posted by Jorsher
What's causing the temperature to drop?
The fuel, carb, and air will be at ambient temperature or higher, so where is this freezing temperature coming from? I'm not saying it's not possible, I'm just asking how it is possible. |
Re: Picked up another turbo dodge.
taken directly from wikipedia and is even mention in corky bells book.
In cars, carb icing can occasionally be a nuisance but is not usually a huge problem, as the inlet manifold and parts of the carburetor often have warm water from the cooling system or exhaust circulating through them. Motorcycles can also suffer from carb icing, although some engine designs are more prone to it than others. Air-cooled engines may be more prone to icing, though it is mostly in aircraft that the phenomenon is a significant problem. Carb icing occurs when there is humid air, and the temperature drop in the venturi causes the water vapour to freeze. The ice will form on the surfaces of the carburetor throat, further restricting it. This may increase the venturi effect initially, but eventually restricts airflow, perhaps even causing a complete blockage of the carburetor. Icing may also cause jamming of the mechanical parts of the carburetor, such as the throttle butterfly valve. http://ibis.experimentals.de/images/...omcaassl14.gif |
Re: Picked up another turbo dodge.
Originally Posted by EGgyLShatch
He is saying that it is happening from the gas becoming atomized, but I think he is thinking that it is experiencing a phase change (from liquid to gas) and thus absorbing more energy (in the form of heat loss) but I'm pretty sure when fuel is atomized its just being broken into very tiny little bits of liquid, not actually becoming vapor/gas, and there is therefore no phase change, and is therefore very unlikely to experience icing in a carb. Just my 2 cents though.
The temps between the fuel/air will just balance out. Of course it would take a bit of math to figure out what temps they would end up, but it doesn't matter because the temperature wouldn't be reducing to freezing temperatures. |
Re: Picked up another turbo dodge.
Originally Posted by kain
um... it is the carb that will start to ice under boost.
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Re: Picked up another turbo dodge.
Originally Posted by kain
taken directly from wikipedia and is even mention in corky bells book.
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Re: Picked up another turbo dodge.
i have never heard of it, but coming from kain i would almost believe it without proof. He has never bullshitted me on anything.
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Re: Picked up another turbo dodge.
Originally Posted by c0mpl3x
on below 60 days my weber would be frosted on the outside. it's truth.
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Re: Picked up another turbo dodge.
nice car, theres not many o them left in MD
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