YS 140 problem

Thu Jul 14 18:51:30 AKDT 2005

Hi Mark.....someone on here mentioned that earlier this week or last
week but I didn't try it as the engines didn't belong to me. 
As I recall, the regulator was all the way to the bottom and the idle
air bleed was almost all the way out.
Enlarging the hole probably will fix the idle mixture but if the
regulator is bottomed out, the transition and midrange mixture may still
cause a rich bog......dunno how to fix that unless YS starts the
throttle barrel go round' again......mebby stretch the regulator
spring.....

Regards

Dave Harmon
NSRCA 586
K6XYZ[at]valornet[dot]com
Broken Arrow, Ok.

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Mark Hunt
Sent: Thursday, July 14, 2005 9:43 PM
To: discussion at nsrca.org
Subject: Re: YS 140 problem

Well said Dave!  I recently switched to cool power 30% heli and found
the 
same requirements.  I think this is why the 140sport works better when
the 
air bleed hole (could be the wrong term..) is drilled out a bit.
Allowing 
easier low end mixture (lean) control.

----- Original Message ----- 
From: "Dave Harmon" <K6XYZ at valornet.com>
To: <discussion at nsrca.org>
Sent: Thursday, July 14, 2005 9:25 PM
Subject: RE: YS 140 problem

> If it is a 140 Sport and you are using low viscosity oil fuel such as
> Cool Power 30% Heli, the regulator will need to be leaned and the low
> speed need needle will need to be leaned as well.
> I have used 2 of these engines very recently and they run very well
and
> idle very well if you can get the idle lean enough.
> If you change to standard viscosity fuel such as Cool Power 20/20 Pro
> Pattern the mixture should lean out.
> Of course, you could contact YS Performance and get the official word
re
> this problem.
>
> Regards
>
> Dave Harmon
> NSRCA 586
> K6XYZ[at]valornet[dot]com
> Broken Arrow, Ok.
>
> -----Original Message-----
> From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]
> On Behalf Of Bob Kane
> Sent: Thursday, July 14, 2005 9:18 PM
> To: discussion at nsrca.org
> Subject: Re: YS 140 problem
>
> One more question, did you take the carb off or apart?
> There is a gasket between the carb body and packplate
> that will fit backwards and cause problems.
>
> --- Bob Kane <getterflash at yahoo.com> wrote:
>
>> Wow, that is a big prop . . . .
>>
>> Anyway, check the throttle stop screw, you should be
>> able to close the throttle barrel with the servo.
>> The
>> stop screw is next to the intake opening.
>>
>>
>> The low end needle should be out about 1 turn from
>> closed. It is an air bleed, so in is richer, out is
>> leaner.
>>
>> --- "Daniel J. Hamlett" <d77hamlett at comcast.net>
>> wrote:
>>
>> > The engine is a sport.  It has less than 40oz
>> > through it.  I am running
>> > the 1.40, NHP 5/8th header and ES carbon 5/8th
>> inlet
>> > pipe.  Sorry I
>> > forgot to add this on the original post.
>> >
>> > Bob Kane wrote:
>> >
>> > >Which 140?  FZ, L, DZ, Sport?  I assume it must
>> be
>> > a
>> > >DZ swinging a 17X10?
>> > >
>> > >--- "Daniel J. Hamlett" <d77hamlett at comcast.net>
>> > >wrote:
>> > >
>> > >
>> > >
>> > >>I know that in the past there has been a post on
>> > the
>> > >>following topic but
>> > >>I don't have it.  Something about having to
>> drill
>> > >>out the spray bar ???
>> > >>
>> > >>I have a YS 140 that I can't get to idle down to
>> > >>2200.  The lowers that
>> > >>I can get it is to about 2750-2800.  I know that
>> > >>this is way too high.
>> > >>I am running a Mezlick 17X10 prop and S+W 20/20
>> > >>fuel.
>> > >>
>> > >>Any help on this would be appreciated.
>> > >>
>> > >>Thank you in advance and good luck to all at the
>> > >>NATS.
>> > >>
>> > >>Dan
>> > >>
>> > >>
>> > >>
>> > >
>> > >
>> > >Bob Kane
>> > >getterflash at yahoo.com
>> > >
>> >
>> >__________________________________________________
>> > >Do You Yahoo!?
>> > >Tired of spam?  Yahoo! Mail has the best spam
>> > protection around
>> > >http://mail.yahoo.com
>> > >=================================================
>> > >To access the email archives for this list, go to
>> > >http://lists.f3a.us/pipermail/nsrca-discussion/
>> > >To be removed from this list, go to
>> > http://www.nsrca.org/discussionA.htm
>> > >and follow the instructions.
>> > >
>> > >List members email returned for mailbox full will
>> > be removed from the list.
>> > >
>> > >
>> > >
>> > >
>> >
>>
>>
>> Bob Kane
>> getterflash at yahoo.com
>>
>>
>>
>> ____________________________________________________
>> Start your day with Yahoo! - make it your home page
>> http://www.yahoo.com/r/hs
>>
>> =================================================
>> To access the email archives for this list, go to
>> http://lists.f3a.us/pipermail/nsrca-discussion/
>> To be removed from this list, go to
>> http://www.nsrca.org/discussionA.htm
>> and follow the instructions.
>>
>> List members email returned for mailbox full will be
>> removed from the list.
>>
>>
>
>
> Bob Kane
> getterflash at yahoo.com
>
>
>
> ____________________________________________________
> Start your day with Yahoo! - make it your home page
> http://www.yahoo.com/r/hs
>
> =================================================
> To access the email archives for this list, go to
> http://lists.f3a.us/pipermail/nsrca-discussion/
> To be removed from this list, go to
http://www.nsrca.org/discussionA.htm
> and follow the instructions.
>
> List members email returned for mailbox full will be removed from the
> list.
>
>
>
> =================================================
> To access the email archives for this list, go to
> http://lists.f3a.us/pipermail/nsrca-discussion/
> To be removed from this list, go to
http://www.nsrca.org/discussionA.htm
> and follow the instructions.
>
> List members email returned for mailbox full will be removed from the 
> list.
> 

=================================================
To access the email archives for this list, go to
http://lists.f3a.us/pipermail/nsrca-discussion/
To be removed from this list, go to http://www.nsrca.org/discussionA.htm
and follow the instructions.

List members email returned for mailbox full will be removed from the
list.

=================================================
To access the email archives for this list, go to
http://lists.f3a.us/pipermail/nsrca-discussion/
To be removed from this list, go to http://www.nsrca.org/discussionA.htm
and follow the instructions.

List members email returned for mailbox full will be removed from the list.