New Mintors

[Henderson,Eric]

Less filling....

-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of wgalligan
Sent: Tuesday, May 13, 2003 11:11 AM
To: discussion at nsrca.org
Subject: Re: RE: New Mintors


but how does it taste?

> Hmmm.  Less oil, runs cooler.
> 
> Magnum Lite?
> 
> 
> >Tom,
> >How's that again?  Use less oil and the engine runs cooler with more power?? 
> >How can that be?
> >--Lance
> >>  The Mintor factory says don't use MORE than 18% oil. I have talked with
> >>  them and they say running 16% oil will give you more power and the
> >>  engine will run cooler. I think it is best to break in with 18% oil.
> >>
> >>  Tom Collins
> >>  BuyRC.com
> >>
> >>  -----Original Message-----
> >>  From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
> >>  On Behalf Of patterndude at attbi.com
> >>  Sent: Monday, May 12, 2003 1:34 PM
> >>  To: discussion at nsrca.org
> >>  Subject: RE: New Mintors
> >>
> >>  Eric,
> >>  The manufacturer specs call for 18% oil in the fuel, as do most
> >>  manufacturers. 
> >>  Going with 16% may not be necessary.  You already have the strongest
> >>  engine
> >>  around.
> >>    I haven't seen anyone post much more info than I posted originally.
> >>  Jim W
> >>  has a reliable setup, it sounds, and he's happy with the power, but my
> >>  setup is
> >>  getting a little more.  I have the Mintor carbon pipe and the Mintor
> >>  header cut
> >>  1.5".  A 17x12N turned 8450 at 80 degrees on 10% Magnum fuel on Sunday
> >>  this
> >>  weekend.  Why run less oil with that kind of power?
> >>
> >>  --Lance
> >>  > Lance,
> >>  >        I much prefer to have a tight engine. (Most engines that we
> >>  receive are a
> >>  > compromise so that the users don't break them). I would suggest that
> >>  the
> >>  > break-in instructions need to be a bit more comprehensive. The 170 may
> >>  also be
> >>  > different to the 1.40. (The Moki needed a similar break-in.) BTW it
> >>  was not
> >>  > cowled in very much. I had removed the top to accommodate the DZ pump.
> >>  I then
> >>  > removed most of the front to accommodate the carb. (The Hydeout is
> >>  quite narrow
> >>  > at the spinner.)
> >>  >
> >>  > I tried using two different plugs on my modified OS 1.60 and one
> >>  always died. I
> >>  > will switch to the recommenced A5's when I get a cool run and see how
> >>  they do.
> >>  >
> >>  > The vertical was strong even though it was just a 16" prop. It was
> >>  also nice and
> >>  > quiet. Looking forward to trying some of my 3-blade props later on.
> >>  >
> >>  > Eric.
> >>  >       
> >>  >
> >>  > -----Original Message-----
> >>  > From: discussion-request at nsrca.org
> >>  > [mailto:discussion-request at nsrca.org]On Behalf Of
> >>  patterndude at attbi.com
> >>  > Sent: Monday, May 12, 2003 1:11 AM
> >>  > To: discussion at nsrca.org
> >>  > Subject: Re: New Mintors
> >>  >
> >>  >
> >>  > 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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> 
> -- 
> ___________
> Jerry Budd
> mailto:jbudd at qnet.com
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