dz questions

[Koenig, Tom]

Gentlemen...oh dear, try $68 Australian for a Gallon down here...then you know about cost! Hence a lot of people mix their own. We have access to the LV oil(red) and the blue. After running the pre-mix 30% Heli for a few years I no longer choose to use it. I have returned to using the original blue oil. I am finding better engine wear( less), the motor is quieter and to be honest I have yet to notice any degredation in performance. If anything I find the motor to be less 'aggresive', for lack of a better term. Oh...and it smokes less.

As they say, your milage may vary.

Tom

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On Behalf Of Ed Deaver
Sent: Friday, 2 September 2005 10:32 AM
To: discussion at nsrca.org
Subject: Re: dz questions


OK.  So to try the Cool Power Fuel, how do we do that and keep the price competitive.  Looked on Tower or Horizon(can't remember which) and the price was $25 a gallon.  The web site says they will only sell to hobby shops.

Right now our price was $16.00/gal for DZ fuel.

Am willing to try it but at over $1.50 a flight more just can't justify it.

Thanx in advance

ed

"Troy A. Newman" <troy_newman at msn.com> wrote:

Oh Earl hit on a  good suggestion too...The disc valve clearance....If its too tight and dragging it will not idle properly...but too much gap and it will act funny when heated up...On this there should be (2) set screws in the hole...One on top of the other....So remove one screw then loosen the other screw...Push the disc valve and the pin tighten the gap and then set the screw....You want it as tight as possible with no binding or dragging on the back plate of the motor...

Cool Power Fuel....you want the 30% heli fuel. Phone # 334-393-4852

email   <mailto:morgan at morganfuel.com> morgan at morganfuel.com 


Troy
I----- Original Message -----

From: Troy A.  <mailto:troy_newman at msn.com> Newman
To: discussion at nsrca.org
Sent: Wednesday, August 31, 2005 11:38 AM
Subject: Re: dz questions

RPM wise the restrictor is about 300 and its a big difference is you need it.

Sounds like its just a couple clicks rich...try leaning it out just a couple clicks and see what happens in the air not on the ground!

If it continues then it could be time for a new ring and check the piston for round, cylinder for scratches and so on.

You might step back a prop size too...the 16-12 would be my choice. Turn the motor in the 8500-8800 range. This is pushing the noise limit but....that's not a problem.

Troy

----- Original Message -----
From: Ed  <mailto:divesplat at yahoo.com> Deaver
To: NSRCA Disscussion <mailto:discussion at nsrca.org> 
Sent: Wednesday, August 31, 2005 5:44 AM
Subject: dz questions

Hey everyone.  Asking for a friend.  Have a 140DZ.  It has several issues we can't figure out, wondering if anyone has any suggestions.

16.5X12W prop, Magnum DZ fuel, Hatori header and pipe, OS F Plug.  Only get 8300RPM at start but as the engine warms up it noticably drop 3-500 RPM.  The idle is reliable as well as transition so don't think it is the pump.  The high needle is 1.5 turns out.  Leaning it only results in a drop in RPM.  The problem is it goes RICH on vertical lines or vertical radii.  The plane slows so much it is hard to fly well at that point.  The smoke doubles after going vertical.

Any ideas??

Secondly, Joe wanted me to ask if the restrictor in the carb could make a big difference if taking it out??

Thanx in advance

ed



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