ZDZ 50NG for Pattern?

[Pat Hewitt]

You can make weight with a ZDZ40 in an ABBRA.

Pat H.

------ Original Message ------
Received: 11:20 AM CDT, 09/07/2005
From: "Ed Alt" <ed_alt at hotmail.com>
To: discussion at nsrca.org
Subject: Re: ZDZ 50NG for Pattern?

Thanks Bill.  This is more for a few IMAC buddies who are interested in 
Pattern, but not pleased with the idea of using glow and aren't ready to do 
electric yet either.  The idea has crossed my mind from time-to-time, but 
I'm not doing my own project yet.  Actually, with my 2C setup and $6.25 / 
gal glow fuel, you are right, gas isn't going much cheaper per flight at 
current prices.  Fuel price isn't really a major motivating factor right now 
for me.

Thanks again
Ed


>From: Bill Glaze <billglaze at triad.rr.com>
>Reply-To: discussion at nsrca.org
>To: discussion at nsrca.org
>Subject: Re: ZDZ 50NG for Pattern?
>Date: Wed, 07 Sep 2005 11:27:32 -0400
>
>Ed:
>Gerry Dale, who used to compete in pattern, had a gasser of his own design. 
>  He tried at least 3 engines in it, as well as structural modifications, 
>trying to beat the ll lb. weight limit.  I believe he finally made it, just 
>barely. If anybody on this list knows how to get hold of Gerry, I'd like to 
>know.  (For Ed's sake, to keep him from the re-invention of the wheel)
>The airplane appeared in RCM a couple of years ago, in plan form.  It was 
>called l'Essence.  I saw it fly quite a few times.  Power seemed adequate, 
>if not overwhelming, as I recall, for Masters class.
>If gas prices keep climbing, it's going to be cheaper to fly my Y.S. 
>engines than a gasser; of course, I won't have enough gas money to get out 
>of the neighborhood, but that's another problem.
>Bill Glaze
>
>
>Ed Alt wrote:
>
>>Has anyone looked at or tried this engine yet?  See:  
>>http://www.rcshowcase.com/html/engines/zdz50.html
>>  The weight with ignition of 3.37 lbs looks really good for a 2C gas 
>>engine.  That's without a battery ofcourse, but it's still pretty good.  
>>It's a 48.5cc design, with recommended prop sizes (non-pattern use of 
>>course) in the 2B 20x12 range and an RPM upper range of 7800.  Those are 
>>for stock muffler setups no doubt.
>>  Ed
>


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