Two/Four Stokes

Rodney Tanner rtanner at bbbeurorscg.com.mx
Wed Nov 13 05:08:00 AKST 2002 

Wojtek,
Thanks. I´ll pass that on to Juan Pablo
R



on 13/11/02 7:39 AM, Tomanek, Wojtek at tomanekw at saic-abingdon.com wrote:

> Try leaning the DZ high speed needle.  The needle should be somewhere
> between 4/5 to 1-1/4 out (do not bottom out too hard or you will have to
> replace the needle seat).  Sometimes it can be tricky to get to the right
> adjustment point. The DZs sound different than the Ls so you cannot use that
> as a measure.  Worst case start at a very rich 2 or 3 turns out and keep
> leaning it out, chances are that you may not see appreciable RPM increase
> from 1-3/4 turns out down to 1 turn out.  When you reach a point that the
> RPM actually decreases a little you have just passed the optimum point, and
> back out several clicks or 1/8 or little more.  You also may have to lean
> the low end too.  Here use the standard method.
> 
> The raw fuel being injected directly into the cylinder will put out the glow
> plug if it is too rich.  The DZs do not like to run too rich.
> 
> Hope this helps your friend with the DZ in his Synergy.
> 
> Wojtek
> 
> 
> -----Original Message-----
> From: Rodney Tanner [SMTP:rtanner at bbbeurorscg.com.mx]
> Sent: Tuesday, November 12, 2002 8:40 PM
> To: discussion at nsrca.org
> Subject: Re: Two/Four Stokes
> 
> Quality - sure. But those YS "Dingos" seem to flame out a lot.
> Last Sunday a friend was testing his new Synergy with a new Dingo.
> 4 flights - 4 flame outs.
> My Webra 145: 4 flights - 0 flame outs
> Anyway Ron has been waiting for a long time for a 2-stroke revival.
> So let
> him revel a bit!
> 
> A memorable  quote from Ron in the KF, if my memory serves, went
> something
> like "4-strokes are just a momentary aberration, caused by a
> misguided rule
> change". . .  ?? :-)
> We will just have to wait to see the listings after the 2003? F3A
> World
> Champs in Poland? Somehow I don´nt think much will change at that
> level.
> Until then I know which I prefer. The Webra 145.
> I have sold my YS´s and the Moki 2.10s (I had for IMAC)
> As for a weight limit - well its just not relevant. A Pattern Plane
> needs to
> be under 10 pounds, at least at this altitude.
> 
> Rodney
> NSRCA #2906
> 
> 
> 
> 
> on 12/11/02 6:23 PM, Terry Terrenoire at amad2terry at juno.com wrote:
> 
>> What a pitty! Guess some people don't appreciate quality!
>> 
>> Terry T.
>> 
>> On Tue, 12 Nov 2002 19:19:26 -0500 ronlock <ronlock at comcast.net>
> writes:
>>> I recently shared a day at a sport field with Joe and a number of
>>> other pattern guys - There were seven pattern pilots, seven
> pattern
>>> birds, and not a 4 stroke in sight !
>>> 
>>> Ron Lockhart
>>> ----- Original Message -----
>>> From: "Joe Lachowski" <jlachow at hotmail.com>
>>> To: <discussion at nsrca.org>
>>> Sent: Tuesday, November 12, 2002 7:28 AM
>>> Subject: Re: Weight Limit/cost
>>> 
>>> 
>>>> Come on Terry, when are you gonna come over to the dark side and
>>> fly a two
>>>> stroke?<vbg>
>>> 
>>>>> From: Terry Terrenoire <amad2terry at juno.com>
>>>>> Reply-To: discussion at nsrca.org
>>>>> To: discussion at nsrca.org
>>>>> Subject: Re: Weight Limit/cost
>>>>> Date: Tue, 12 Nov 2002 06:08:55 -0500
>>>>> 
>>>>> Just to confirm this:
>>>>> I am currently building a Synergy
>>>>> Kit cost $875
>>>>> Engine $500, YS 1.40 L
>>>>> Header $40
>>>>> 4 digital servos $360
>>>>> Paint and Monokote $100?
>>>>> Ball bearing controls $40
>>>>> Pilot $10
>>>>> Wheels $30
>>>>> Add another misc $100 and you have a total of $2055
>>>>> 
>>>>> And this is with top equipment. Have not purchased a pipe yet
> and
>>> the
>>>>> throttle servo is a 132 from my inventory.
>>>>> Eliminate the ballbearing hardware, and digital servos and
> you're
>>> back
>>>>> under $2000.
>>>>> 
>>>>> Terry T.
>>>>> 
>>>>> On Mon, 11 Nov 2002 20:35:00 -0600 "Keith Black"
>>> <tkeithb at attbi.com>
>>>>> writes:
>>>>>>> BTW you mentioned being competitive with a $1500 plane.  If
>>> true
>>>>>> why are
>>>>>>> the "top boys" flying planes were the radio/receiver/servos
>>> along
>>>>>> cost
>>>>>> $1500?
>>>>>> 
>>>>>> What I said was one could be competitive by spending $1500 to
>>> $2000
>>>>>> and I
>>>>>> feel that this is the case. That's not to say that the "big
>>> boys",
>>>>>> or even
>>>>>> the well financed guy at the local club, won't spend more.
>>> Obviously
>>>>>> that
>>>>>> dollar figure doesn't assume you get a ready built plane from
>>>>>> someone like
>>>>>> PLProd. BTW, I wasn't including the transmitter in that figure
>>> as
>>>>>> most
>>>>>> people in the hobby have a TX they fly multiple planes with
>>> (even
>>>>>> the sport
>>>>>> guys). You can get a name brand JR or Futaba radio with lots
>>> extras
>>>>>> like
>>>>>> multi-model support, dual rates, exponential, programmable
>>> mixes,
>>>>>> etc. for
>>>>>> $250.
>>>>>> 
>>>>>> As to the $1500 to $2000 figure consider the following: Top
>>> notch
>>>>>> JR
>>>>>> digitals on all flight surfaces for around $400 to $500, Webra
>>> 1.45
>>>>>> or OS
>>>>>> 1.40RX - $395.00 to $450, Hitec receiver for $60, competitive
>>>>>> cutting edge
>>>>>> kit or ARC for $425 to $700 (in my case I'm building an Aries
>>> from
>>>>>> AeroSlave, but you can also go with others or even get an ARC
>>> Focus
>>>>>> for
>>>>>> $595). Add another $300 or so for building supplies, landing
>>> gear,
>>>>>> spinner,
>>>>>> linkages, etc.
>>>>>> 
>>>>>> That comes to right around $2000 on the high end and $1500 on
>>> the
>>>>>> low end,
>>>>>> and the result in either case would be a very competitive
>>> plane.
>>>>>> 
>>>>>> The point of my message was that I can be on a competitive
>>> playing
>>>>>> field in
>>>>>> Pattern in this dollar range, but in IMAC the price tag is
>>> more like
>>>>>> $7000
>>>>>> and continually growing as pilots go from 33%, to 40%, to 50%
>>>>>> planes. It
>>>>>> would be very discouraging to me to have to compete against
>>> someone
>>>>>> that
>>>>>> drops this much money on am IMAC plane, but if someone drops
>>> $3000
>>>>>> or $4000
>>>>>> on a pattern plane I know it's probably just because they
>>> didn't
>>>>>> want to
>>>>>> build :-)
>>>>>> 
>>>>>> Keith Black
>>>>>> 
>>>>>> ----- Original Message -----
>>>>>> From: "GeorgeF." <av8tor at flash.net>
>>>>>> To: <discussion at nsrca.org>
>>>>>> Sent: Monday, November 11, 2002 6:06 PM
>>>>>> Subject: Re: Weight Limit
>>>>>> 
>>>>>> 
>>>>>>> 
>>>>>>>> In IMAC they're continually building them bigger and
>>> bigger,
>>>>>> and one
>>>>>> has
>>>>>>>> to follow suite to be competitive.
>>>>>>> 
>>>>>>> This "bigger and bigger" as resulted in many flying fields
>>> being
>>>>>>> lost.  Both because of "big" planes being flown wrecklessly
>>> and
>>>>>> because of
>>>>>>> noise.
>>>>>>> 
>>>>>>>> 
>>>>>>>> I know that changes often have unintended consequences.
>>> The
>>>>>> question is
>>>>>>>> will lifting the weight limitation cause an explosion in
>>> price or
>>>>>> simply
>>>>>>>> provide more economical and technically appealing options
>>> as
>>>>>> others have
>>>>>>>> suggested.
>>>>>>> 
>>>>>>> 
>>>>>>> For an answer to this lets take a look at what happened with
>>> the
>>>>>> engine
>>>>>>> size rule was lifted.  What happened to cost?  What happened
>>> to
>>>>>> average
>>>>>>> aircraft size?  Both went up.
>>>>>>> 
>>>>>>> BTW you mentioned being competitive with a $1500 plane.  If
>>> true
>>>>>> why are
>>>>>>> the "top boys" flying planes were the radio/receiver/servos
>>> along
>>>>>> cost
>>>>>> $1500?
>>>>>>> 
>>>>>>> George
>>>>>>> 
>>>>>>> 
>>>>>>> =====================================
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>>>>>> 
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>>>>>> 
>>>>>> 
>>>>>> 
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>>>> 
>>>> 
>>>> 
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