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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › align 50 hyper troubles
04-05-2009 06:47 PM  9 years agoPost 1
f penfold

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uk

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Hi guys hope you can help . Here is the problem for the last two times Ive gone in to a funnel my engine has bogged (bad collective management it may be but its only for a second)and then cut out all together.I have managed to recover and auto it down but both with hard landings resulting in a broken under carriage. I found that the clunk in the header tank had come off .W ould this cause the engine to cut so suddenly. Or do I need to look in to this further? Any one else had this problem?

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04-05-2009 06:57 PM  9 years agoPost 2
nivlek

rrProfessor

Norfolk England

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W ould this cause the engine to cut so suddenly.
Yes , it most certainly would . Without the weight of the clunk on the line , the line doesn't stay in the fuel as it is thrown around the tank .

Edit , I just realised that you said in the header tank (I was thinking main tank !) . I guess that it depends on the length of the clunk line in the header tank , and how full the header tank stays . If it stays full , it shouldn't matter one way or the other .

At the end of the day , it gets dark .

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04-05-2009 07:21 PM  9 years agoPost 3
f penfold

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uk

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thats what I thought the header tank was full and the main tank was about 1/3 full.

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04-05-2009 09:09 PM  9 years agoPost 4
lightningrc

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UK

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Some times you may get a little air in the header tank though , any way its not right like that.

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04-05-2009 09:12 PM  9 years agoPost 5
f penfold

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uk

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so you think its the clunk then?

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04-05-2009 09:21 PM  9 years agoPost 6
lightningrc

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UK

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Its possible it swallowed a bit of air , some times the air gets trapped in header when filling and ont always get pushed out .

Whats the line like in your main tank ?? also

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04-05-2009 09:23 PM  9 years agoPost 7
lightningrc

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UK

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You could have bogged it really bad though it is possible , it could have cut from getting hot and over loaded.

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04-05-2009 10:29 PM  9 years agoPost 8
MartyH

rrProfessor

USA

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They will cut off like a switch if they get hot. If it sounded faster before it quit it would likely be the fuel system.

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