[NSRCA-discussion] Ideas?

[Ron Van Putte]

On Jul 14, 2006, at 11:25 AM, <jivey61 at bellsouth.net> wrote:

> Since you changed fuel that seems to rule that out.  Put his engine  
> in another
> plane if you can.
> What it sounds like to me is that the bearings are bad in both  
> engines and
> the contamination is killing the plugs. Don't say impossible at this
> point.

I won't say impossible, but the second engine was fresh from a  
rebuild, which included new bearings.

> The only other thing is the fuel which was common to both engines. Do
> you remember all the trouble I had 2 years ago?My problem was in my
> container the I put my fuel in. It was contaminated and when I  
> filled the
> pumping container, the engines would run fine until the contaminate  
> mixed
> with the new fuel and then trouble happened.

I remember your fuel problems.

> I pump from the gallon fuel jug that I buy the fuel in now and have  
> no more fuel problems.

John always pumps from the jugs the fuel comes in.

> Good luck at the nats, I can't make it this year.

Thanks.

Ron Van Putte

> ----- Original Message -----
> From: "Ron Van Putte" <vanputte at cox.net>
> To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> Sent: Friday, July 14, 2006 11:36 AM
> Subject: [NSRCA-discussion] Ideas?
>
>
>> John Fuqua has been having an annoying and thoroughly confusing
>> problem.  He has been using two different OS 1.40 RX engines for the
>> past three years and they've run flawlessly until recently.  He's had
>> one in an Impact since the early spring.  A month or so ago, the
>> engine started dying in the air periodically when he advanced the
>> throttle from idle.  He tried adjusting the idle mixture control and
>> the main needle valve and the problem seems to go away.
>>
>> Suddenly, a few days ago, the engine would die as soon as the ignitor
>> was removed.  No problem:  it's the plug(s).  He's using the Mintor
>> 1.40 head on these engines and they have two plugs.  Replace both
>> plugs.  Engine ran flawlessly for the rest of the flying session.
>> The next day, the problem was back, exactly like it was the day
>> before.  Then we removed the entire fuel system, cleaning everything
>> and replacing the fuel tubing, fuel filter and tank clunk.  Replaced
>> the glow plugs as well.  Engine ran flawlessly for the rest of the
>> flying session.  The next day, the problem was back, exactly like it
>> was the day before.   Yanked out that engine and installed its twin,
>> fresh after a rebuild.  Engine ran flawlessly for the rest of the
>> flying session.  The next day, the problem was back, exactly like it
>> was the day before.  John has been using Morgan 20% heli fuel as long
>> as he's been running these engines and it's worked great.
>> Nevertheless, during this ongoing saga, we tried Morgan 30% heli fuel
>> and Morgan Pro Power 20% and nothing seems to break the pattern.
>> HELP!  We leave for the Nats tomorrow.
>>
>> BTW, I have been using an OS 1.40 RX in my airplane for the past two
>> seasons and have loved it.
>>
>> Ron Van Putte
>>
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