dz questions

[Adam Glatt]

On my 140DZs, I ran the 16.5x12W for a year (no restrictor).  I liked 
it, until I tried the 15.5x12W.  I didn't like the 16x12.  On 25% and 
30% nitro the 15.5x12W is the best prop, imo.  The 140DZ also seems to 
last longer when it runs in the 8600-9000 RPM range.
-Adam

Troy A. Newman wrote:
> 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 Deaver <mailto:divesplat at yahoo.com>
>     *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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