New Mintors

[Henderson,Eric]

Running very rich I got 13 minutes on a 20 oz tank I figure we will be close to an ounce per minute as we get to the running settings.

I did have to bend the header a fraction to keep the pipe clear of the Hydeout belly pan. You can change the bend with a little leaning ,,,, :-)



-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of wgalligan
Sent: Monday, May 12, 2003 5:15 PM
To: discussion at nsrca.org
Subject: Re: RE: New Mintors


SO I guess running COOL POWER 15%  which has 17% oil would be a good compromise then.

WG

> The Mintor factory says don't use MORE than 18%26#37 oil. I have talked with
> them and they say running 16%26#37 oil will give you more power and the
> engine will run cooler. I think it is best to break in with 18%26#37 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%26#37 oil in the fuel, as do most
> manufacturers.  
> Going with 16%26#37 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%26#37 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%26#37 with 18%26#37 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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