[NSRCA-discussion] Alabama Bound

Wed Nov 25 12:25:04 AKST 2009

Phil,

I can see where the average stock 91 4C could be quieter than the average
stock 61 2C, so if it was needed to appease noise limits, good enough (tho I
do see a substantial power advantage for the 91 4C, especially if the 2C 60
can't use a pipe).  Accommodating electrics without disrupting the "power
balance"..that will not be easy, and will be constantly changing as
electrics evolve.  6s lipo and 13" prop is for all practical purposes no
limit.

Regards,

Dave

  _____  

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Phil Spelt
Sent: Wednesday, November 25, 2009 3:15 PM
To: General pattern discussion
Subject: Re: [NSRCA-discussion] Alabama Bound

In terms of rules, be they SPA or AMA, they are what they are, and we must
abide by them.  Why are the  lines on the sides of baseball diamonds IN
BOUNDS, while  lines on the sides of football fields and basketball courts
OUT of BOUNDS?  Because that's the way "they" wrote the rules...

Someone mentioned that SPA is trying to re-capture the "style of flying"
from those days, and that is essentially correct.  The tuned pipe and
retract restrictions are to keep the cost and complexity down...I know, some
of you will come back and point out that 4-strokes are neither inexpensive
nor simple, and you are correct.  That move was made to keep the Knoxville,
TN, club, Knox County RC, Inc., continuing with SPA due to noise
restrictions.  Although, as I believe I have said here earlier, I had an
Enya Gear-Pump .61 turning a 3-blade APC prop and using a SoundMaster
muffler which came in at 89dB @ 9 feet on pavement -- and a
similarly-equipped YS .61 short stroke that did the same.  BTW, those were
for AMA, not SPA, in the 1989-91 era.

Dave said:

*********I would note that the direction taken by the NSRCA is based on the
comments/feedback from the NSRCA membership..majority wins..minority is
still welcome, but can choose to go play another game (SPA, BPA, vintage,
etc)..it is nice to have the options.

The same is true for SPA -- that's why we are trying to accommodate
electrics, much to the disgust of a couple of our die-hard members,
including our esteemed founder.

If any of you would like to fly by our rules (and .55s and .61's are
competitive these days) we'd be delighted to have you join us.  A number of
our members fly both types, and BPA as well.

At 10:56 AM 11/25/2009, Dave wrote:

"Everyone is free to choose with whom to associate, and while we in SPA are
sorry to have lost the people who have chosen not to fly with us, that
was/is their choice."
*********True enough!!

"I won't go into the many discussions I have had with fellow SPAers about
the direction of AMA pattern, as directed by the NSRCA -- but they are
frequent, and those of us having them choose not to fly AMA"

 If I had more time, and more of the SPA stuff was happening in my area, I'd
love to put together a Dirty Birdy or Deception (some of my first
planes)...and the power plant would have to be modernized to accommodate
noise..but, personally, I could never be happy with such a plane using a
4C..just doesn't seem right to me.  But I am happy to see others having fun
with the older planes (however much they are being modified) and 4Cs.

Regards,

Dave

  _____  

From: nsrca-discussion-bounces at lists.nsrca.org [
<mailto:nsrca-discussion-bounces at lists.nsrca.org>
mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Phil Spelt
Sent: Wednesday, November 25, 2009 10:37 AM
To: General pattern discussion
Subject: Re: [NSRCA-discussion] Alabama Bound

Well, Guys,

I was preparing a response to Ron Van Putte, but it appears this is not the
venue for that.  Everyone is free to choose with whom to associate, and
while we in SPA are sorry to have lost the people who have chosen not to fly
with us, that was/is their choice.  If you check with Jason Shulman, you
might find a different perspective.

I won't go into the many discussions I have had with fellow SPAers about the
direction of AMA pattern, as directed by the NSRCA -- but they are frequent,
and those of us having them choose not to fly AMA pattern - but we don't
publicly criticize it, either.  I judged several rounds at an AMA meet last
season, and while I really like the turn around part, the judging reinforced
my decision to fly SPA, only.

BTW, if anyone is interested in some 2-meter stuff (engines and airframes)
you can email me privately...it would be great stuff @ a reasonable price
for entry into 2-meter pattern, and up through Advanced.

At 10:23 AM 11/25/2009, you wrote:

That's the reason I quite SPA also. 4-cycles!!  There is not much challenge
flying the old pattern with a overpowered (90 4c) engine.  That was what
made it hard!  The scavenge-pot 60's didn't really have enough power, so you
had to FLY the airplane.. If they are allowing 90 4c engines, why not allow
ANY power plant!

Tony Stillman, President
Radio South, Inc.
139 Altama Connector, Box 322
Brunswick, GA  31525
1-800-962-7802
www.radiosouthrc.com <http://www.radiosouthrc.com/> 

  _____  

From: nsrca-discussion-bounces at lists.nsrca.org [
mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Pete Cosky
Sent: Wednesday, November 25, 2009 10:20 AM
To: jpavlick at idseng.com; General pattern discussion
Subject: Re: [NSRCA-discussion] Alabama Bound

I'm with you John. When I was into racing anything vintage had to
be....well...vintage.
----- Original Message ----- 
From: John Pavlick <mailto:jpavlick at idseng.com>  
To: General pattern <mailto:nsrca-discussion at lists.nsrca.org>  discussion 
Sent: Wednesday, November 25, 2009 10:13 AM
Subject: Re: [NSRCA-discussion] Alabama Bound

Electrics in SPA? Jeez, that's kind of hard to stomach. Next they're going
to allow electronic fuel-injection and anti-lock brakes in Vintage Sports
Car Racing. LOL

John Pavlick

--- On Wed, 11/25/09, Jerry Combs <jcombs1947 at att.net> wrote:
From: Jerry Combs <jcombs1947 at att.net>
Subject: Re: [NSRCA-discussion] Alabama Bound
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
Date: Wednesday, November 25, 2009, 9:50 AM
I don't understand the 13" prop bit either.  On my Axi 4130-20 on 6 cells a
13" prop gives me around 500 watts.
Jerry
Scott, What is the reason behind a 13 inch prop limit for electric? There
isn't any limit on prop sizes for IC engines is there? A flyer with an IC
engine searches for the best prop size to the particular plane and engine
combo, it seems that electric flyers should have the same flexibility.
Dave Burton 
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--> There are only two types of aircraft -- fighters and targets.

Phil Spelt, Past President, Knox County Radio Control Society, Inc.
       URL: http://www.kcrctn.com <http://www.kcrctn.com/> 
AMA--1294,  Scientific Leader Member, SPA--177
      My URL: http://mywebpages.comcast.net/~chuenkan/
      (865) 435-1476 v  (865) 604-0541 c 
_______________________________________________
NSRCA-discussion mailing list
NSRCA-discussion at lists.nsrca.org
http://lists.nsrca.org/mailman/listinfo/nsrca-discussion

--> There are only two types of aircraft -- fighters and targets.

Phil Spelt, Past President, Knox County Radio Control Society, Inc.
       URL: http://www.kcrctn.com <http://www.kcrctn.com/> 
AMA--1294,  Scientific Leader Member, SPA--177
      My URL: http://mywebpages.comcast.net/~chuenkan/
      (865) 435-1476 v  (865) 604-0541 c 

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