Gascolector drain valve

by Cristian in 912 / 914 Technical Questions 5 years ago

Hi we are a flying school in Chile and we have 3 Bristell NG5 in operation with 912ULS we have experience an engine fail after take off and we found that the drain valve of the gascolator was opened, does someone know how this affect the engine and how can i demonstrate it without doing the take off with the drain valve open?

Thanks

7617_1_Opened_Position_2.JPG (You do not have access to download this file.)

Re: Gascolector drain valve

by Bill Hertzel » 5 years ago

Bill Hertzel

13 1.95k 7.97k

It should NOT affect the running of the engine unless it emptied the tank. Fuel Starvation!

It will, however, leave a large growing puddle of gas on the ground.

Which begs the question, "How could this have been missed?"

Was the Fuel Tank Empty?

Bill Hertzel
Rotax 912is
North Ridgeville, OH, USA
Clicking the "Thank You" is Always Appreciated by Everyone.

Thank you said by: Cristian

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Re: Gascolector drain valve

by Cristian » 5 years ago

Cristian

1 1 5

Thanks Bill, this was the first fly of the day and the pilot drain the gascolator with the fuel selector valve off. During taxi and run up everything was OK. But after take off (maybe 50 ft) the engine failures occurs. We saw a video after the aircraft start the taxi and we saw a fuel stain in the ground. Also we found the drain valve open, we inspect the engine and everything is OK. We only wanted to know why the engine fail happened, so that this does not happen again.

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Gascolector drain valve

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