[NSRCA-discussion] 14MZ springs

[Tony]

Adrian:
I sell HD springs for all transmitters and they are very popular.  I have
been using them in my 14MZ for several years now, without any problems.  I
have just changed to the new encoders as a matter of fact.  

I don't understand the statement that HD springs cause undue wear on the
encoders.  They are a pivot point, not a pressure point for the
spring/scissor unit.  There is just not a problem here.

The only issues with springs is to make sure the loops are large enough so
the spring can pivot, especially in the grove that is in the plastic
adjuster in the Futaba units.  If the loop is too small, the top of the
spring coil will press against the bottom of the adjuster arm and will
actually flex the adjuster, causing it to break over time.  When the loop is
large enough so the coil does not touch the adjuster arm, the spring will
just pivot in the groove (as it should).  

I have been flying HD springs since 1981...  literally thousands of flights
and never a failure...
 

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

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
adriancwong at earthlink.net
Sent: Thursday, March 26, 2009 8:32 PM
To: General pattern discussion; General pattern discussion
Subject: Re: [NSRCA-discussion] 14MZ springs

Be careful on using springs that is too stiff. I've be warned that was one
of the reason that can wear out the encoders prematurely.

Adrian

-----Original Message-----
>From: Stuart Chale <schale at optonline.net>
>Sent: Mar 26, 2009 8:18 PM
>To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
>Subject: Re: [NSRCA-discussion] 14MZ springs
>
>I don't have the link but they were very easy to install.  Although 
>Futaba says not to use their regular heavy duty springs I did and have 
>not had an issue with it.  I suspect many have used the same springs.  
>The springs that Tony from Radio South sells are stiffer and I guess 
>could be a problem if Futaba says that their HD springs are too heavy.  
>I suspect that there are people that have installed them as well without 
>problems though.
>The main thing is to make sure that the two loops on each end of the 
>spring are perpendicular to each other before installing them.  A fine 
>needle nose plier or thin hemostat makes the job easier.
>Stuart C.
>
>James Oddino wrote:
>>
>> I remember seeing an in depth procedure with photos showing how to 
>> replace the springs in a 14MZ.  Seems like it was on someone's 
>> website.  I thought I bookmarked it but I can't seem to find it.  
>> anyone know what I'm talking about?
>>
>> Jim O
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>>
>
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