New Mintors

patterndude at attbi.com patterndude at attbi.com
Sun May 11 21:10:48 AKDT 2003


Eric,
I ran a gallon thru my two on the bench before putting them in the air.  There 
have been several posts of people putting them up quickly and they've reported 
success.  More power to them.  I'm sure there are different break-in 
procedures that work.
  In my case, similar to yours, the engines seemed tight at first.  I found 
that they ran fine at mid throttle out of the box and the range extended with 
a little running.  Your procedure sounds like it's working, but I agree it may 
not be for everyone.
  The way I've always looked at it, break-in is a temporary condition.  No 
need to rush it.  I have a friend with a Saito 180 which took a while to break 
in but then became a very reliable engine.  I'm not trying to associate one 
engine with another, just pointing out that reliable engines result from a 
variety of starting points. 
  Thanks for sharing your experiences.  
--Lance
> Partially broke-in my Mintor in today with help from Dave Lockhart. Initially 
> the engine was very tight and got hot very quickly. 
>  
> I switched to two F plugs and used sport 2-c 15% with 18% oil. Still tight and 
> hard to keep running without overheating. Finally I got a run with a high idle 
> that did not overheat. Then Dave persuaded me to go to full throttle and set it 
> rich. It worked much better this time. A tank later we put it in the air. It ran 
> very rich in the air. Several landings later ... with Dave turning in the needle 
> a click or two at a time.. we got a flight where we could lean it by climbing 
> and cool  down by diving. Round and square loops did the job. Another run on the 
> ground and a slightly leaner run in the air and it was almost running like a 
> 2-c.
>  
> The power on a 16 x 12 APC was encouraging and the idle began to be more 
> reliable.. I know the engine was tight before I began but was surprised that I 
> had to be so diligent with the break-in. My question to you experienced 
> Mintor-men is. "Is this usual?" Not complaining, but without my own and David's 
> experience a "Rookie" could struggle...
>  
> Regards,
>  
> Eric.
>  
> 
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