RPM turned by YS-140L on Mezlik 16-12?

[Michael H Lance]

Amar,
 
I'm running the same engine and prop combo in my Python and am also
turning 7800-7900 RPM.  I have been very happy with the power I have.
Only thing I can suggest is to get into the throttle sooner before
pulling a vertical line.
 
Mike Lance
 
-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Amar Shan
Sent: Thursday, September 19, 2002 3:11 PM
To: discussion at nsrca.org
Subject: RE: RPM turned by YS-140L on Mezlik 16-12?
 
Thanks very much, Troy.  I will try the 30% as you suggest!  /Amar
 
-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Troy Newman
Sent: Thursday, September 19, 2002 3:07 PM
To: discussion at nsrca.org
Subject: Re: RPM turned by YS-140L on Mezlik 16-12?
 
Well If you're getting 8300-8500 on 25% with the 15-12W that's about all
I ever got out of an a 140L.......I have never run the Mezlik props but
the 16-12 APC was too much load for an "L" unless I was running 30%+
 
 
I think your motor is probably just fine....Another thing peak it out
and run it just about 300 rpm short of peak. This will be on the rich
side. But it will help keep it cool. 
 
If you want more power got to some Cool Power 30% heli performance
fuel....The "L" will like it. In fact it will love it just like the
DZ's.....
 
 
I'm using this fuel in everything now. Horizon recommends this fuel for
the Saito motors...and I'm even running it sport planes with
.46's......This is really good fuel...I don't know of anybody that has
tried it and not liked it.
 
 
Troy
----- Original Message ----- 
From:  <mailto:shan at smartt.com> Amar Shan 
To:  <mailto:discussion at nsrca.org> discussion at nsrca.org 
Sent: Thursday, September 19, 2002 1:38 PM
Subject: RE: RPM turned by YS-140L on Mezlik 16-12?
 
Oops, forgot a couple of key details!
 
Running 25% Cool Power - at sea level.
 
I did run an APC 15-12W - it was tach'ing about 8300-8400 on the ground.
I'm getting much better performance out of the Mezlik 16-12, even though
it's only turning ~7800-8000 on the ground.
 
The engine has fewer than 2 dozen flights on it since a Performance
Specialities (Verano/Shadel) rebuild.  (It didn't have much more than
that number before the rebuild, either.  Rebuild was done because I sent
it in with a complaint of difficulty starting, not because of crash
damage).
 
Amar
 
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