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Forum: Private Flying

7th Sep 2017, 12:24

Replies: 30

does carb ice enrich the mixture?

Views: 8,034

Posted By PDR1

Not really. The fuel itself is warmer than the...

Not really. The fuel itself is warmer than the ice so the liquid fuel would tend to warm things up. But the jets are at the same place in the constriction of the venturi, so other than keeping the...

Forum: Private Flying

7th Sep 2017, 09:14

Replies: 30

does carb ice enrich the mixture?

Views: 8,034

Posted By PDR1

This is also why most fuel-injected...

This is also why most fuel-injected configurations are reasonably immune to intake icing - they don't actually have a venturi to trigger the ice condensation.

PDR

Forum: Private Flying

6th Sep 2017, 21:46

Replies: 30

does carb ice enrich the mixture?

Views: 8,034

Posted By PDR1

Damn. Can I have another go at it? :E ...

Damn. Can I have another go at it?

:E

PDR

Forum: Private Flying

6th Sep 2017, 21:14

Replies: 30

does carb ice enrich the mixture?

Views: 8,034

Posted By PDR1

The ice doesn't form around the butterfly, it...

The ice doesn't form around the butterfly, it forms around the venturi. When the air passes through the venturi constriction it accelerates, so its pressure and temperature drop. That causes the ice...

Forum: Private Flying

6th Sep 2017, 13:19

Replies: 30

does carb ice enrich the mixture?

Views: 8,034

Posted By PDR1

It depends on the particular carb. Most carbs use...

It depends on the particular carb. Most carbs use the airflow velocity or the aiflow pressure (actually the pressure drop) to meter the fuel through the jets. As the ice constricts the flow the air...

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