[NSRCA-discussion] Elevator servo

[Terry]

Kinda of new to pattern flying, or at least modern planes, but why plastic 
servo gears.

I know that the 84 and 8611's get a lot of slop with the final gear, is that 
the reason.

T Green

----- Original Message ----- 
From: <verne at twmi.rr.com>
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
Sent: Thursday, October 14, 2010 1:01 PM
Subject: Re: [NSRCA-discussion] Elevator servo


> Dave,
> Do you ever pull the metal main gear off? If so, how?
>
> Verne
>
>
> ---- Dave <DaveL322 at comcast.net> wrote:
>
> =============
> Jon,
>
>
>
> 3421 w/ 3025 gears compared to 3517..specs are very close.not sure what
> other differences there might be so far as motor, deadband, aggressiveness
> on center, etc.
>
>
>
> Dave
>
>
>
>  _____
>
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Jon Lowe
> Sent: Thursday, October 14, 2010 12:33 PM
> To: nsrca-discussion at lists.nsrca.org
> Subject: Re: [NSRCA-discussion] Elevator servo
>
>
>
> Dave,
>
> I've been using 3421's with 3025 gears.  Slightly lower torque, but much
> faster for dual elevator servos.  Specs appear about the same a
>
> Jon Lowe
>
>
>
> -----Original Message-----
> From: Dave <DaveL322 at comcast.net>
> To: 'General pattern discussion' <nsrca-discussion at lists.nsrca.org>
> Sent: Thu, Oct 14, 2010 10:54 am
> Subject: Re: [NSRCA-discussion] Elevator servo
>
> 8417 for one elevator servo
> 3517 for two elevator servos
> 8611A for rudder
>
> 8231 or 8101 nylon gearsets to convert the 8417 to 8417 "sa".......the 
> speed
> will decrease slightly, but the torque will go up slightly.
>
> 3025/3035 nylon gearsets to convert the 3517 to "sa".
>
> Leave the 8611A as is.
>
> Regards,
>
> Dave Lockhart
> Team Horizon/JR
>
>
>
> -----Original Message-----
> 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 Duane 
> Beck
> Sent: Thursday, October 14, 2010 10:50 AM
> To: nsrca-discussion at lists.nsrca.org
> Subject: [NSRCA-discussion] Elevator servo
>
> I plan to move up to my first 2M soon (a Focus 2) and will need an 
> elevator
> (and rudder) servo.  What can you recommend, now that JR's SA servos 
> appear
> to be no longer available?  If necessary, I may be able to scavange an
> 8411SA or two from an unfinished 1/4 scale, but have to check if it's the 
> SA
> or metal gear version.
>
> Duane
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