YS 140DZ fixed!

[Koenig, Tom]

With or without restrictor lads?

> ----------
> From: 	Chad Northeast[SMTP:chadnortheast at shaw.ca]
> Reply To: 	discussion at nsrca.org
> Sent: 	Thursday, 24 April 2003 10:59
> To: 	discussion at nsrca.org
> Subject: 	Re: YS 140DZ fixed!
> 
> 16.5x12W @ 8500
> 16x13 @ 8400
> 17x12 @ 8100
>  
> 30% nitro as well, and more power than I know what to do with :)
> 	----- Original Message ----- 
> 	From: Troy Newman 
> 	To: discussion at nsrca.org 
> 	Sent: Wednesday, April 23, 2003 6:35 PM
> 	Subject: Re: YS 140DZ fixed!
> 
> 	You 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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