Carb heat + Piper?

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11-04-2008, 04:18 AM

#31

Zayghami

Gets Weekends Off

Thread Starter

Joined APC: Jun 2008

Position: C402

Posts: 210

I think once the ice melts by applying carb it, it wont freeze again after it melts. Think about every time you get carb. icing in the engine. Once you apply is the ice going to melt then freeze up again real quick? That just means the carb ice is pointless...

11-04-2008, 04:40 AM

#32

Ewfflyer

Flying Farmer

Joined APC: Jul 2006

Position: Turbo-props' and John Deere's

Posts: 3,160

Quote:

Originally Posted by Mitragorz

Maybe I'm totally misunderstanding what you're saying, but based on what you just said, wouldn't that WORSEN the problem?

If you're already icing up while taking in frozen particulate, wouldn't *turning on the carb heat, melting the incoming particles, and having it re-freeze* (paraphrasing what you said... I think) over the existing ice be the last thing you'd want to do?

I mean, if turning ON carb heat below 32F in frozen particulate causes ice, how can turning the carb heat ON in the same conditions get rid of ice that's already formed? If you can turn it on to get rid of ice, I would think that leaving it on would prevent the ice from forming in the first place

What I'm saying is, if you are already experiencing carb-ice, below 32 degree's, it means there's super-cooled waterdroplets getting into the carb(highly unlikely by the way), but in this case, you need to do something, and carb heat in this instance is the lesser of two evils. This situation is a "Get it on the ground ASAP" type in any regards, but as I mentioned, it's a very severe and unlikely scenario. Notice on the Icing graph that there is a icing chance with a 30 degree temp/dew point.

If you guys are still having issues, I'd gladly give you a call on my work phone(so I don't have to pay for the call

) Anyways, I think you guys are slightly overthinking the whole thing, but I also went too detailed also, so I apologize for that.