What's a JR 9411SA servo?

[Bryan Kennedy]

Reeves,
 
I just ordered more from Central, they had them in stock two days ago.
 
Bryan
NSRCA 1744
D3

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org] On
Behalf Of Troy Newman
Sent: Wednesday, February 11, 2004 10:49 AM
To: discussion at nsrca.org
Subject: Re: What's a JR 9411SA servo?


Reeves,
 
Call Central. Sometimes they have stuff on sale and its cheaper than regular
prices.
 
They carry are the JR stuff.
 
TN

----- Original Message ----- 
From: Reeves <mailto:reeves at mtaonline.net>  
To: discussion at nsrca.org 
Sent: Wednesday, February 11, 2004 8:15 AM
Subject: Re: What's a JR 9411SA servo?

Hi Troy, Where is a good place to buy the 9411SA's at a discount price? My
hobby supply man can't seem to get JR stuff anymore. Maybe the dogsled got
lost again. Thanks, Reeves in Alaska.

----- Original Message ----- 
From: Troy  <mailto:troy_newman at msn.com> Newman 
To: discussion at nsrca.org 
Sent: Tuesday, February 10, 2004 8:30 AM
Subject: Re: What's a JR 9411SA servo?

Mike,
 
they are the same specs as a 9411....they are a nylon conversion just like
the 8411SA. The price difference is because the cost of the metal gear train
as opposed to the nylon gears.
 
Basically many of us have been converting them ourselves using 911 gear sets
and leaving the metal output gear in place. Now JR has made this a standard
offering and the servos comes new this way.
 
The part number is JRPS9411SA. 
 
also this same conversion thing has been done with the 3421 to give a
3421SA.
 
 
Now some of us are making a conversion to the 8417 with the 8411SA gears.
This one is not offered this way stock for a couple reasons. The gear change
out changes the specs on the servo. It slows down and has a little more
power. So its not a direct Metal to nylon conversion. In the case of the SA
servos (8411SA, 9411SA, 3421SA) these servos all retain their same specs
except the weight changes slightly as the nylon gears are lighter.
 
These 9411SA's are absolutely the best aileron servos I have ever used. This
past weekend I flew Tony Frakowiak's Electric Partner and he used these same
servos on ailerons and dual elevators and it was as good of setup as I have
ever flown.
 
 
Troy
 
 

----- Original Message ----- 
From: mike  <mailto:mups1953 at yahoo.com> mueller 
To: discussion at nsrca.org 
Sent: Tuesday, February 10, 2004 6:54 AM
Subject: What's a JR 9411SA servo?

 I've been following the posts about voltage regulators and Troy mentioned
using JR 9411SA's on his ailerons. I saw the specs on the 9411's but I
didn't see a listing on the SA's. Are they cheaper than the 9411's just as
the 8411SA's are $15 cheaper than the regular 8411's with metal gears? Right
now I use 8231's on my ailerons but I need new servos for a second plane and
thought these might work better. Any insite or thoughts on this are
appreciated. Thanks, Mike
                           



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