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1. 07:02 PM - Re: here's a new one (n32romeo@AOL.COM)
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| Subject: | Re: here's a new one |
A vernier mixture cable is the way to go. The cable is much thicker, and
is an alternate means of compliance on the AA-1 500 hour replacement AD. I
like the fine tuning adjustment it provides, and on shutdown, I screw it o
ut till the engine quits and watch for the tach rise.
Rich
-----Original Message-----
From: Gary L Vogt <teamgrumman@yahoo.com>
Sent: Fri, Feb 21, 2014 7:27 pm
Subject: Re: TeamGrumman-List: here's a new one
Good point, Barry. I'll have to see just how I pull the mixture to IDLE cu
toff. I don't know off hand.
On Friday, February 21, 2014 7:39 AM, "Hosler, John" <JHOSLER@epri.com> w
rote:
Got it!
From: owner-teamgrumman-list-server@matronics.com [mailto:owner-teamgrumman
-list-server@matronics.com]On Behalf Of FLYaDIVE
Sent: Friday, February 21, 2014 8:07 AM
Subject: Re: TeamGrumman-List: here's a new one
John & Team:
Here is an unusual thing... Ever notice how a pilot handles the Throttle C
ontrol? Usually it is very gently - Nice smooth actions, in and out. BUT!
Then watch the way the same pilot handles the Mixture Control. Sure they
adjust the Mixture nice and smooth. BUT! Watch them Pull, Yank and Slam t
he Mixture Control OUT when they shut off the Engine/Mixture. WHY! Why no
t slowly and gently pull it out? And watch the Tach at the same time... Y
ou should see a 50 RPM increase just before the engine dies. Doing it this
way you do not abuse the cable and the 50 RPM increase is one of the indic
ations you have the Carb Adjusted correctly. Some things you do fast and s
ome things you do slow and gentle. It's like making love.
Barry
On Thu, Feb 20, 2014 at 12:40 PM, Hosler, John <JHOSLER@epri.com> wrote:
Thanks, I used to have a mechanic that checked the cable every annual as a
matter of course (and we did change the cable once =93not sure why.
The bending of the end of the cable at the attachment always seemed to me t
o be the weak point.
From:owner-teamgrumman-list-server@matronics.com [mailto:owner-teamgrumman-
list-server@matronics.com]On Behalf Of boxereighty@AOL.COM
Sent: Thursday, February 20, 2014 11:10 AM
Subject: TeamGrumman-List: here's a new one
John:
Here is a link to the AD:
http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/AOCADSearch/650
EF5216513544186256A38005DF83B?OpenDocument
Here is the AD info:
Amendment 39-2180; AD 75-09-07
Barry
On Tue, Feb 18, 2014 at 4:11 PM, Hosler, John<JHOSLER@epri.com> wrote:
What is the AD on the cables?
John
*From:*owner-teamgrumman-list-server@matronics.com [mailto:
owner-teamgrumman-list-server@matronics.com] *On Behalf Of *FLYaDIVE
*Sent:* Tuesday, February 18, 2014 3:51 PM
*To:*teamgrumman-list@matronics.com
*Subject:* Re: TeamGrumman-List: here's a new one
I guess that is why the AD on the cables. Why hasn't the AD covered the
AA5x series?
Better on the ground that in the air and consider how difficult the FAA
would have made your life if there was an accident!
Barry
On Tuesday, February 18, 2014, Gary L Vogt<teamgrumman@yahoo.com> wrote:
I had just finished setting the mixture on a FWF restoration I'm doing on
N28819. You can see a lot of pics of it on the AuCountry Aviation Facebook
page.
When I pulled out the mixture to check one last time to make sure the
mixture went to cutoff, the cable broke. That has never happened before.
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The same thing happened to me at the end of a flight in my AA1C. My A&P (ne
w to me at the time) said there was an AD on it but that was secondary, the
mixture control obviously had to be replaced since it was broken, AD or no
t so I didn't research the point. At the time the plane had in the vicinity
of 1000hrs TT =C2=B1. So I think the rumors of an improved bracket on 1C m
odels negating the AD might be overstated. The AD (from the above link) was
published and amended in 1975 which was two years before the C model came
to market. Maybe the cable really was improved so was never added to the A
D, I'm not going to research it now, but quite obviously based on my experi
ence the cable was still susceptible to breakage after very low time in ser
vice. Even on an AA1C. I put a vernier mixture control on the Lynx and neve
r had another problem in the next 10 years until I sold it.
Brent Smith
N28386/1N1
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