Throt/ Rud

[spbyrum]

Would that make them whistle real neat like a Stuka????

Steve Byrum 

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Jim Ivey
Sent: Thursday, January 27, 2005 8:45 AM
To: discussion at nsrca.org
Subject: Re: RE: Throt/ Rud

 Steve
I think you should drill some holes in your prop blades and make them
lighter.

Jim Ivey
> 
> From: "spbyrum" <spbyrum at hiwaay.net>
> Date: 2005/01/27 Thu AM 09:36:18 EST
> To: <discussion at nsrca.org>
> Subject: RE: Throt/ Rud
> 
> The question becomes how small a diameter prop and how slow must you
go
> for this situation to kick in.  SPA doesn't fly rockets like the old
> days.  Noise is a bad thing.  4 strokes with larger props slow us
down,
> too.
>  
> Steve Byrum 
> -----Original Message-----
> From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]
> On Behalf Of John Pavlick
> Sent: Wednesday, January 26, 2005 11:48 PM
> To: discussion at nsrca.org
> Subject: RE: Throt/ Rud
>  
> Ed,
>  Sure, but you can only fly planes like that in SPA!!! (Or Sportsman).
> My Super Kaos Jr. is set 0-0-0. Just a little bit of right rudder and
up
> elev. trim - still tracks down lines straight. I don't mix anything
with
> the radio - it's all done the old fashioned way! 
> John Pavlick
> http://www.idseng.com <http://www.idseng.com/> 
>   
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On Behalf Of Ed Hartley
> Sent: Wednesday, January 26, 2005 10:35 PM
> To: discussion at nsrca.org
> Subject: Re: Throt/ Rud
> Think about having the trim and thrust where you don't have to do
> either?????
> 
> Ed
>  
> ----- Original Message ----- 
> From: John Pavlick <mailto:jpavlick at idseng.com>  
> To: discussion at nsrca.org 
> Sent: Wednesday, January 26, 2005 10:13 PM
> Subject: RE: Throt/ Rud
>  
> Ed,
>  Don't think about inverted / upright / right / left like that. It's
all
> the same to the airplane. Upright the slip stream hits the left side
of
> the fin causing Left yaw. For sake of argument: Right thrust will be
> used to counteract this. Inverted, the SAME THING happens. Don't think
> right / left in reference to YOU, think left / right in reference to
the
> AIRPLANE. When inverted the slip stream hits the left side (still) of
> the fin - unless the motor suddenly starts turning the opposite way.
> Same thrust offset ("Right") required unless the slip stream goes away
> in a push. Now if there's right thrust, you need left rudder to offset
> the right thrust which is trying to make the airplane yaw right in the
> absence of the slip stream air on the fin. If you still want to think
> about it the "other" way, remember "left" rudder when inverted will
make
> the plane yaw to the "right" (in reference to YOU standing there
> watching the plane). Now I'm getting confused.
>  If you think about what Chip described: Trim for straight flight at
> full throttle, mix left at idle. Another way would be trim straight at
> idle, mix right at full throttle. That's what I've been doing. Same
> difference. 
> John Pavlick
> http://www.idseng.com <http://www.idseng.com/> 
>   
> 
> 


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