KIS-List Digest Archive

Wed 03/03/10


Total Messages Posted: 1



Today's Message Index:
----------------------
 
     1. 07:05 PM - Re: KIS Engine Stoppage ()
 
 
 


Message 1


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    Time: 07:05:40 PM PST US
    From: <bakerocb@cox.net>
    Subject: Re: KIS Engine Stoppage
    3/3/2010 Hello JF, Sorry to hear that your engine is still giving you difficulty. Some comments and questions: 1) What pump are you using for an electric fuel boost pump and to provide priming fuel? 2) Do you have any way of reading the fuel pressure that the electric fuel boost pump is putting out while you are priming the engine? 3) Have you tried turning the electric fuel boost pump on right after the engine has started running to see if that would keep the engine running? 4) You wrote: "I am making an instrument which should help me to determine depression that fuel pump must provide to be able to feed engine and check if during a periode of time I encounter some variations with the depression" This SID describes the official factory way of accomplishing what you are planning and more: http://www.tcmlink.com/pdf2/SID97-3E.pdf I purchased two gauges and put together a mounting rig for those gauges and some connecting hoses in order to perform the adjustments required by this SID. Maybe some other IO-240 operator in your area has a set of gauges that you could borrow. I'll post this to the group and hope for a response. Even if you get your engine to just keep running on the ground the adjustments called for in SID97-3E still have to be made to ensure a properly running and safe engine before flying. OC ==================================================== ----- Original Message ----- From: <jfherzog@bluewin.ch> Sent: Wednesday, March 03, 2010 5:11 PM Subject: Re: KIS-List: KIS Engine Stoppage Hello Owen First of all, sorry for the delay of my answer, I've been very busy these days I would like to thank you about your interest regarding my fuel propblem. I 've not progressed a lot so far, the only thing that I am almost sure is the fact that my engine stoppage is probably not due to a vapor lock problem because during the last engine run , the engine stopped maybe 2-3 minutes after start and temperature inside of the cowling was low and external temperature was low as well. In fact,it's like if the mechanical fuel pump is not strong enough and sometimes fuel feed is interupted . Or maybe a small external hole alomg the line allowing air to enter into the line permitting fuel to return into the tank while air is aspirated through the pump I am making an instrument which should help me to determine depression that fuel pump must provide to be able to feed engine and check if during a periode of time I encounter some variations with the depression , Thus would mean that somewhere air is entering into the line. I am also see if a chek valve between selector and engine fuel pump would improve the regularity That kind of problem is boring because it's difficult to identify and need time and also chance..... Best regards JF =================================================




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