SERVO GEARS

[Troy Newman]

The conversion kit for the 8411 to the 8411SA is part# JRPS8411SAC


One note I leave the metal output shaft in the servos that I convert. The
reason for this is the Single metal output gear offers me personally an
advantage with the machine screw into for the servo control arm. This also
gives some extra strength against side loads on the output shaft. There is
nothing wrong with the nylon output gear.....and the only reason I change
over to nylon gears in the metal geared digitals is purely to delay servo
maintenance and prolong the servos geartrain life....There are applications
and times when the metal gears are better than the nylon ones. In my
applications I find the 8411SA to be a superb rudder servo...Its also a
great servo on other applications like Ailerons and Elevator.


Troy Newman


----- Original Message -----
From: "Tomanek, Wojtek" <tomanekw at saic-abingdon.com>
To: <discussion at nsrca.org>
Sent: Wednesday, April 16, 2003 11:59 AM
Subject: RE: SERVO GEARS


> Troy
>
> What are the nylon conversion gears for the 8411?
>
> TIA
> Wojtek
>
>
>  -----Original Message-----
> From: Troy Newman [mailto:troy_newman at msn.com]
> Sent: Wednesday, April 16, 2003 2:48 PM
> To: discussion at nsrca.org
> Subject: Re: SERVO GEARS
>
> JRPSG911 is the part number for the 911 gear sets...These are the proper
> gears to be using in the 9411 is converting to nylons.
> The regular 9411 gears are fine....you don't need to change them until
they
> get sloppy...The metal gears on average will go over a hundred
> flights...where as the nylons I have seen go much longer....as in 200+
> flights without any noticeable wear.
> If the 911 gears are out of stock the 9411 gears may be available  part #
> JRPSG9411
>
> I have run these servos a bunch..and the 9411's are a great Aileron
> solution.....Don't think just because they are metal gears they need to be
> changed out to nylons....I flew a set last year that was metal setup for
> most of the year...At the same time I was running nylon converted versions
> in another model....After the NATS I switched the metal ones to Nylon
> conversions.....
> Performance is equal...life span of the gears is less with the metal gear
> servos all metal gear servos.
> If you are down and out of flying look for a set of 9411 metal gears.
> Sorry I don't have any gear sets at the moment.....
> Troy Newman
>
>
> ----- Original Message -----
> From: "wgalligan" <wgalligan at cnbcom.net>
> To: <discussion at nsrca.org>
> Sent: Wednesday, April 16, 2003 11:27 AM
> Subject: SERVO GEARS
>
>
> > Does anyone have any nylon servo gears that will fit in the JR9411 mid
> servo.  The metal gears in mine have gotten sloppy to the point of not
> trusting them.
> >
> > I ordered some several weeks ago but the LHD said they where on back
> order.
> > I need enough for two servos.   Will pay for them or replace them when
> mine come in.
> >
> > Thanks,
> > Wayne
> >
> > BTW WACO contest is 10 days away......
> > ====================================
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> > # and put leave discussion on the first line of the body.
> > #
> >
> >
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