YS 140DZ fixed!

[Troy Newman]

Oh did I mention 92 db(A)


TN
----- Original Message -----
From: "Ed Deaver" <divesplat1 at msn.com>
To: <discussion at nsrca.org>
Sent: Wednesday, April 23, 2003 8:08 PM
Subject: Re: YS 140DZ fixed!


> 16.5x12W getting 8900rpm flying at 8400rpm with the restrictor at 3500ft
> using Magnum Dz fuel.
>
> ed
>
>
>
>
>
>
> >From: "Troy Newman" <troy_newman at msn.com>
> >Reply-To: discussion at nsrca.org
> >To: <discussion at nsrca.org>
> >Subject: Re: YS 140DZ fixed!
> >Date: Wed, 23 Apr 2003 17:35:32 -0700
> >
> >MessageYou are in the ball park RPM wise...I'm turning the 16.5-12W at
> >8400....peaks out at about 8700...and I'm flying at about 8300-8400....
> >
> >that is of course on Cool Power 30% heli pro.....
> >
> >TN
> >   ----- Original Message -----
> >   From: Peter Pennisi
> >   To: discussion at nsrca.org
> >   Sent: Wednesday, April 23, 2003 5:16 PM
> >   Subject: RE: YS 140DZ fault?
> >
> >
> >   The problem is fixed by replacing the whole pump assembly. When I
> >removed the original one the piston or whatever in the pump was seizing.
> >Motor appears to be running OK. There is a small leak I need to
> >investigate.
> >
> >
> >   What sort of ground RPM are people swinging with this engine. I tached
> >8500 on a 16x12 APC on 25% heli fuel. (Klotz KL-198 heli glow).
> >
> >
> >   Peter Pennisi
> >   Pentagon Systems
> >   P.O Box 4280
> >   Eight Mile Plains
> >   QLD 4113
> >   Australia
> >   Phone:    61+0738414234
> >   Fax:        61+0738414264
> >   Mobile:   0408007206
> >   Email: pentagon.systems at bigpond.com
> >     -----Original Message-----
> >     From: discussion-request at nsrca.org
> >[mailto:discussion-request at nsrca.org] On Behalf Of PENNISI Peter
> >     Sent: Wednesday, 23 April 2003 13:23 PM
> >     To: 'discussion at nsrca.org'
> >     Subject: RE: YS 140DZ fault?
> >
> >
> >     Thanks Terrence,
> >
> >     A big problem I am having is it wont go to full throttle. At about
1/3
> >throttle or less it goes lean and stops. How can this be rich. I tried
this
> >approach even at 1 1/2 turns out on main needle with the same results.
What
> >about the loud metal rattle that is coming from the pump assembly.
> >
> >     Regards,
> >
> >     Peter
> >       -----Original Message-----
> >       From: T&C Brown [mailto:tncbrown at charter.net]
> >       Sent: Wednesday, 23 April 2003 1:01 PM
> >       To: NSRCA
> >       Subject: Fw: YS 140DZ fault?
> >
> >
> >
> >       Peter,
> >
> >       It sounds like your running the engine way too rich.  When I got
my
> >first DZ, I set it up the same way, and had the same problem.  You cannot
> >run it like an "L".  If you have adjusted the pump from the factory
> >setting......return it to it's original position and start with the high
> >speed needle at 1 1/8 to 1 1/4 turns out from full closed.  If the motor
> >starts.....let it warm up a minute then advance it to full throttle.
Once
> >at full throttle, slowly  (one or two clicks at a time) turn the needle
in
> >to lean it until the RPM drops.  Once you hear the RPM start to drop,
> >richen it back three or so clicks and run it.  I know what your
> >thinking...."It sounds way to lean"  but this is how Richard from YS
> >Performance told me to set it up, and I've had no problems with this.
Once
> >the motor is broke in the high speed needle should be around 3/4 to 1
turn
> >out from full close.  Hope this helps.
> >
> >       Terrance Brown
> >       YS Field Rep
> >
> >
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