IT JUST STOPS

by walter gardiner in 2 Stroke Technical Questions 5 years ago

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Re: IT JUST STOPS

by Andrew Dunning » 5 years ago

Andrew Dunning

1 31 86

One case of a blocked vent line that comes to mind was at a flying school.

Only happened with one instructor and (from memory) with a full tank. The CFI would just "nip" the fuel cap, the instructor was cranking the fuel cap as tight as he could, so didn't happen all the time and only with the one pilot. Took a while to find the reason and once the blocked breather was found it never happened again.

Thank you said by: walter gardiner

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Re: IT JUST STOPS

by Bill Hertzel » 5 years ago

Bill Hertzel

13 1.95k 7.96k

Do the White and Green Wires from the Electrical Boxes attach to the same points on the Stator Coil, or are there separate and discrete ignition Coils?
It still would not surprise me if two separate ignition coils were to share a single ground Bolt.

There are plenty of locations on my airframe where up to 6 or more ground wires attach to a single ground point.
The airframe would be SwissCheese if 2 dozen ground wires all needed a separate hole to be bolted to.

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

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Re: IT JUST STOPS

by walter gardiner » 5 years ago

walter gardiner

3 8 0

thanks Bill I will check next Saturday

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Re: IT JUST STOPS

by walter gardiner » 5 years ago

walter gardiner

3 8 0

Bill I have an electric fuel pump as a backup, it's flow through do you think it could cause a problem to the Rotax pump?
thanks

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Re: IT JUST STOPS

by Bill Hertzel » 5 years ago

Bill Hertzel

13 1.95k 7.96k

Bill I have an electric fuel pump as a backup, it's flow through do you think it could cause a problem to the Rotax pump?
thanks

It is highly unlikely.
The Electric Fuel pump is beneficial in preventing Vapor Lock, but I will guess that you do not run it routinely during flight.
You should at least keep it ON when below pattern altitude.

I think I already know the answer, but I have to ask it anyway...
When the engine stopped are/were you able to attempt a restart in the Air?

An intermittent ground or a Fuel Tank Ventilation issue should be at the top of your list.

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

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IT JUST STOPS

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