Today's Message Index:
----------------------
1. 01:24 AM - directives (Mark Jefferies)
2. 06:17 AM - Re: Terror from small planes - The Boston Globe Article (Brian Lloyd)
3. 06:55 AM - Re: directives (A. Dennis Savarese)
4. 09:15 AM - Re: Terror from small planes - The Boston Globe Article (A. Dennis Savarese)
5. 10:10 AM - Re: Manitowoc Dates (Janet Davidson)
6. 09:25 PM - Crew? (Barry Hancock)
Message 1
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--> Yak-List message posted by: "Mark Jefferies" <mark@yakuk.com>
Ladies and Gents.
ref directives 59/60 & 107.
These directives and other have been sanctioned by the designers and manufactures.
107 is fitted at new production from 1991 onwards. The design of this is to
reduce fatigue stress in the wing attachments. With due respect to Dennis the
majority (95%) of the a/c we purchase from the military clubs in the FSU all
have the "training springs" fitted. This would tell me that the majority of a/c
do NOT spend 50% of there life doing aerobatics. Have you tried with these
springs fitted?? Its like going to the gym!!!
107, is NOT MADE from stainless steel(yak-52.com), its a post production heat
treated high carbon steel, further you do not have to "bring in FSU labour" to
fit it!! Well perhaps if your a lone pilot and the maintenance people you use
cant read or don't have metric hand tools!
If you were to purchase the directive from a reputable source you would get the
full fitting instructions in English along with a list of the tools required,
basically standard work shop tools along with a portable magnetic drill stand
is all that's required. (this can be hired at tool outlets)
The time taken to do the job usually is between 98 & 103 hours, from fly into workshop
and fly away, wing off, tanks out gear off, works then reassemble. Only
minor local painting of the strap is required.
We sell the parts for approx $800.
If readers wish to take more of an interest in the directives on the YAK 52 you may view pictures of before/ after at www.yakuk.com/mpd.htm This page also lists directives introduced by the UK CAA and LY CAA. Have in mind that all directives have been promolgated as a result of accidents and failures, ie they improve the integrity and safety.
It really is burying your head in the sand by ignoring them because the experimental
nature of certification in the USA allows you to do so. Still maybe its
part of the adrenalin rush by cheating death every time you fly.
If anyone wishes to discuss these matters further please feel free to call by phone,
+44 1767 651156.
best regards, mark.
--> Yak-List message posted by: "Rick Swanson" <rswanson@hometownnrh.net>
Can anyone tell me what the spar bulletins 59, 60, and 107 are? I assume one of
them has to do with the spar mod for the older spars to maintain the 7 G limitation,
but haven't heard of any others. Thanks.
Rick Swanson
7078Y
Ron,
You are correct about 59 and 60. They were to maintain the +7, -5 G
limitations. 107 is a stainless steel spar strap on the bottom of the wing
spar and easily seen under the wing that was to "increase the service life
of the airframe to 5000 hours". Please understand though that this service
bulletin (107) was based on the airplane spending 50% of it's life in hard
aerobatics. We simply don't fly these airplanes that way. Quite frankly,
we baby them by comparison to how they were flown and treated in the former
soviet union. There is one other SB, 66, that concerns the front and rear
wing attach bolts, increasing them to 8.5 mm.
If you will go to my web site, www.yak-52.com, and click on the Service
Bulletins page, you will find a list with a description statement for each.
Dennis Savarese
Message 2
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| Subject: | Re: Terror from small planes - The Boston Globe Article |
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
Mark Schrick wrote:
> --> Yak-List message posted by: "Mark Schrick" <schrick@pacbell.net>
>
> This lovely little editorial was featred in the Boston Globe. I have
> provided the URL from the web and the address for the editor of the Boston
> Globe.
> I will be sending a letter. I hope you do too.
I did. I will post it here if people are interested. I approached the problem
from how poor a GA airplane is as a vehicle of terror and how there are many
bigger threats that have so-far gone unchallenged.
--
Brian Lloyd 6501 Red Hook Plaza, Suite 201
brian@lloyd.com St. Thomas, VI 00802
+1.340.998.9447 - voice +1.360.838.9669 - fax
Message 3
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--> Yak-List message posted by: "A. Dennis Savarese" <adsavar@gte.net>
Thank you Mark for your insight. I believe I said BASED on 50% of their
life. I did not say they DID spend 50% of their life. Either way, I thank
you for sharing your information and knowledge with me and the group.
Dennis Savarese
----- Original Message -----
From: "Mark Jefferies" <mark@yakuk.com>
Subject: Yak-List: directives
> --> Yak-List message posted by: "Mark Jefferies" <mark@yakuk.com>
>
> Ladies and Gents.
> ref directives 59/60 & 107.
>
> These directives and other have been sanctioned by the designers and
manufactures. 107 is fitted at new production from 1991 onwards. The design
of this is to reduce fatigue stress in the wing attachments. With due
respect to Dennis the majority (95%) of the a/c we purchase from the
military clubs in the FSU all have the "training springs" fitted. This would
tell me that the majority of a/c do NOT spend 50% of there life doing
aerobatics. Have you tried with these springs fitted?? Its like going to the
gym!!!
>
> 107, is NOT MADE from stainless steel(yak-52.com), its a post production
heat treated high carbon steel, further you do not have to "bring in FSU
labour" to fit it!! Well perhaps if your a lone pilot and the maintenance
people you use cant read or don't have metric hand tools!
>
> If you were to purchase the directive from a reputable source you would
get the full fitting instructions in English along with a list of the tools
required, basically standard work shop tools along with a portable magnetic
drill stand is all that's required. (this can be hired at tool outlets)
>
> The time taken to do the job usually is between 98 & 103 hours, from fly
into workshop and fly away, wing off, tanks out gear off, works then
reassemble. Only minor local painting of the strap is required.
>
> We sell the parts for approx $800.
>
> If readers wish to take more of an interest in the directives on the YAK
52 you may view pictures of before/ after at www.yakuk.com/mpd.htm This page
also lists directives introduced by the UK CAA and LY CAA. Have in mind that
all directives have been promolgated as a result of accidents and failures,
ie they improve the integrity and safety.
>
> It really is burying your head in the sand by ignoring them because the
experimental nature of certification in the USA allows you to do so. Still
maybe its part of the adrenalin rush by cheating death every time you fly.
>
> If anyone wishes to discuss these matters further please feel free to call
by phone, +44 1767 651156.
>
> best regards, mark.
>
>
> --> Yak-List message posted by: "Rick Swanson" <rswanson@hometownnrh.net>
>
> Can anyone tell me what the spar bulletins 59, 60, and 107 are? I assume
one of
> them has to do with the spar mod for the older spars to maintain the 7 G
limitation,
> but haven't heard of any others. Thanks.
>
> Rick Swanson
> 7078Y
>
> Ron,
> You are correct about 59 and 60. They were to maintain the +7, -5 G
> limitations. 107 is a stainless steel spar strap on the bottom of the
wing
> spar and easily seen under the wing that was to "increase the service life
> of the airframe to 5000 hours". Please understand though that this
service
> bulletin (107) was based on the airplane spending 50% of it's life in hard
> aerobatics. We simply don't fly these airplanes that way. Quite frankly,
> we baby them by comparison to how they were flown and treated in the
former
> soviet union. There is one other SB, 66, that concerns the front and rear
> wing attach bolts, increasing them to 8.5 mm.
>
> If you will go to my web site, www.yak-52.com, and click on the Service
> Bulletins page, you will find a list with a description statement for
each.
>
> Dennis Savarese
>
>
Message 4
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| Subject: | Re: Terror from small planes - The Boston Globe Article |
--> Yak-List message posted by: "A. Dennis Savarese" <adsavar@gte.net>
Brian,
I for one would be very interested in seeing your letter.
Dennis Savarese
----- Original Message -----
From: "Brian Lloyd" <brian@lloyd.com>
Subject: Re: Yak-List: Terror from small planes - The Boston Globe Article
> --> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
>
> Mark Schrick wrote:
> > --> Yak-List message posted by: "Mark Schrick" <schrick@pacbell.net>
> >
> > This lovely little editorial was featred in the Boston Globe. I have
> > provided the URL from the web and the address for the editor of the
Boston
> > Globe.
> > I will be sending a letter. I hope you do too.
>
> I did. I will post it here if people are interested. I approached the
problem
> from how poor a GA airplane is as a vehicle of terror and how there are
many
> bigger threats that have so-far gone unchallenged.
>
> --
>
> Brian Lloyd 6501 Red Hook Plaza, Suite 201
> brian@lloyd.com St. Thomas, VI 00802
> +1.340.998.9447 - voice +1.360.838.9669 - fax
>
>
Message 5
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| Subject: | Re: Manitowoc Dates |
--> Yak-List message posted by: "Janet Davidson" <gbvfx@hotmail.com>
Craig
Thank you for that,
Janet
Ph: 920 232 9238
email: gbvfx@hotmail.com
>From: Craig Payne <cpayne@mc.net>
>Reply-To: yak-list@matronics.com
>To: yak-list@matronics.com
>Subject: Re: Yak-List: Manitowoc Dates
>Date: Fri, 18 Apr 2003 16:54:20 -0500
>
>--> Yak-List message posted by: Craig Payne <cpayne@mc.net>
>
>Janet,
>
>Saturday July 26th will be an arrival day with a ground school likely
>but not certain just yet. The first WB airshow starts Wednesday the 30th
>so we should make a mass arrival into OSH that morning. That leaves
>about 3 full days for training and arrivals. Hopefully, we can do our
>early evening overflights of OSH.
>
>Chances are many folks will stay over at MTW all week; making an air
>departure from the WB show.
>
>Craig Payne
>
>Janet Davidson wrote:
> >
> > --> Yak-List message posted by: "Janet Davidson" <gbvfx@hotmail.com>
> >
> > Can someone tell me what the dates are for the F.A.S.T. clinic at
>Manitowoc.
> >
> > Thank you,
> >
> > Janet
>================================================================
>
>
http://www.msn.co.uk/messenger
Message 6
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--> Yak-List message posted by: Barry Hancock <radialpower@cox.net>
And crew? I'm the only "crew" pal.... :) Overlooked, overworked, but
never overpaid.....
Thanks for the plug, even if I remain nameless! :)-
B
On Thursday, April 17, 2003, at 11:58 PM, Yak-List Digest Server wrote:
> Drew and crew for footing the shipping bill to make sure
> the parts are on hand to keep us all in the air.
> See you at Red Star!
Barry Hancock
Red Stars, Inc.
949.300.5510
www.allredstar.com
"Communism - Lousy Politics, Great Airplanes"
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