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Thread: Carb heat exhaust take off

  1. #1
    cgoldy's Avatar
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    Carb heat exhaust take off

    Iím looking for a particular Carb heat exhaust take off. I had one originally but gave it away when I fitted a Sutton.

    Itís a simple shroud with two stand off legs, held on by two hose clamps clamping the stand off legs to the pipe. I think it had a little corse filter in the opening. Connected by a scat hose of course.

    Anyone recognise that description?

    Colin
    Javron O-375 wide body extended wing cub
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    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by cgoldy View Post
    Iím looking for a particular Carb heat exhaust take off. I had one originally but gave it away when I fitted a Sutton.

    Itís a simple shroud with two stand off legs, held on by two hose clamps clamping the stand off legs to the pipe. I think it had a little corse filter in the opening. Connected by a scat hose of course.

    Anyone recognise that description?

    Colin
    Some cessnas use that


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  3. #3

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    Later model 180s used a heat robber on the left side exhaust to provide carb heat. I pitched mine years ago or I'd take a picture. Salvage yards should have them.

    I added a flange on the muffler shroud for carb heat.
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    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by stewartb View Post
    Later model 180s used a heat robber on the left side exhaust to provide carb heat. I pitched mine years ago or I'd take a picture. Salvage yards should have them.

    I added a flange on the muffler shroud for carb heat.
    Did you split muffler into 2 sections? Or just add extra outlet???


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    Don't know what Atlee's did. I probably should, huh? Doesn't matter. My carb heat sure works better.
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    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by stewartb View Post
    Don't know what Atlee's did. I probably should, huh? Doesn't matter. My carb heat sure works better.
    Iím trying to figure out similar. Muffler is used but from an injected engine(Sutton) so itís missing the carb heat end of shroud.... plus a few other mods it had to fit this style cowl.... thinking might make a heat robber style box that chooses between cabin and carb heat.... havenít really thought much about it yet... but need to figure it out some day....


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    cruiser's Avatar
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    This? Not my airplane and am not certain they are the same part
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    Quote Originally Posted by cruiser View Post
    This? Not my airplane and am not certain they are the same part
    mid year 172 and many Scouts used something like this for carb heat. We used one from a 172 on a Husky, and re routed the shroud heat to back seat. Since it’s a certified part on 23 aircraft, it was easy to get approved.

    MTV

  9. #9

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    Not close to what 180s had. That version was small and simple. Somebody here must have one to take a pic of.

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    Quote Originally Posted by mike mcs repair View Post
    I’m trying to figure out similar. Muffler is used but from an injected engine(Sutton) so it’s missing the carb heat end of shroud.... plus a few other mods it had to fit this style cowl.... thinking might make a heat robber style box that chooses between cabin and carb heat.... haven’t really thought much about it yet... but need to figure it out some day....


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    My 180 has the typical pressure pickup behind the oil cooler. 1 inlet so the shroud can’t be partitioned. Cabin heat dumps overboard when not diverted into the plane. I always have plenty of carb heat.
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  11. #11
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by cruiser View Post
    This? Not my airplane and am not certain they are the same part
    that looks like an ADDITION to the sutton system with the Original(sutton)carb heat shroud...??

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    Gordon Misch's Avatar
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    Quote Originally Posted by mike mcs repair View Post
    that looks like an ADDITION to the sutton system with the Original(sutton)carb heat shroud...??
    Yes, it is.
    Gordon

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  13. #13
    Olibuilt's Avatar
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    I bought a small carb heat muff from www.vettermanexhaust.com


    The one on the left
    You cannot see on the pic, but the other side is open. Just clamp on the exhaust.


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    wireweinie's Avatar
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    Can anyone tell me if a Sutton exhaust has a heat shroud that is split to accommodate cabin heat and carb heat? I always thought they did but Cgoldy's original post has me wondering.

    Thanks, Web
    Life's tough . . . wear a cup.

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    www.SkupTech.com mike mcs repair's Avatar
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    Carb heat exhaust take off

    Quote Originally Posted by wireweinie View Post
    Can anyone tell me if a Sutton exhaust has a heat shroud that is split to accommodate cabin heat and carb heat? I always thought they did but Cgoldy's original post has me wondering.

    Thanks, Web
    The one I installed 7? Years ago did. Center over muffler was cabin heat. Left side off of muffler just over pipes was carb heat??


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    Quote Originally Posted by wireweinie View Post
    Can anyone tell me if a Sutton exhaust has a heat shroud that is split to accommodate cabin heat and carb heat? I always thought they did but Cgoldy's original post has me wondering.

    Thanks, Web
    It does not. 100% cabin heat under the shroud
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  17. #17

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    Stock mid-70ís 180 system.
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  18. #18
    cgoldy's Avatar
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    My Sutton has a muff that does heater and carby heat. Heavy stainless steel shroud around the muffler. I took it off to remove weight up front. I live in a warm climate. So that is why I am looking for a small Light heat take off for the carby heat.
    Javron O-375 wide body extended wing cub

  19. #19
    skywagon8a's Avatar
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    Colin, Why don't you replace that heavy stainless shroud with an aluminum one to reduce the weight? By design, it is always cooled by the continuous flow of air. This will reduce the cluttering up of the engine compartment which would happen if you used one of these other units. Just keep an eye on it for a while until you learn it's habits. They aren't all made of stainless.
    N1PA
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  20. #20
    cubdriver2's Avatar
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    Quote Originally Posted by cgoldy View Post
    My Sutton has a muff that does heater and carby heat. Heavy stainless steel shroud around the muffler. I took it off to remove weight up front. I live in a warm climate. So that is why I am looking for a small Light heat take off for the carby heat.
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    Pietenpol technology

    Glenn
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  21. #21
    cgoldy's Avatar
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    Quote Originally Posted by skywagon8a View Post
    Colin, Why don't you replace that heavy stainless shroud with an aluminum one to reduce the weight? By design, it is always cooled by the continuous flow of air. This will reduce the cluttering up of the engine compartment which would happen if you used one of these other units. Just keep an eye on it for a while until you learn it's habits. They aren't all made of stainless.
    Some one told Me that it would be too hot for Ally. That would be the best result and I will get my heater back.
    Javron O-375 wide body extended wing cub

  22. #22
    cruiser's Avatar
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    Did you happen to weigh the stainless shroud?

  23. #23
    skywagon8a's Avatar
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    Quote Originally Posted by cruiser View Post
    Did you happen to weigh the stainless shroud?
    This may help? https://www.industrialmetalsupply.com/Weight-Calculator
    Depending on what is available down under, perhaps Colin could find a much thinner piece of S/S if he is concerned about aluminum? I believe the worst situation with the aluminum would be perhaps some extra wear where it is clamped to the muffler. Aren't the original Cub shrouds made of aluminum?
    Last edited by skywagon8a; 10-02-2020 at 07:00 AM.
    N1PA

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