Today's Message Index:
----------------------
1. 03:45 AM - Re: test (Brian Lloyd)
2. 03:49 AM - Re: ballast (Brian Lloyd)
3. 03:50 AM - Re: That's what happens... (Brian Lloyd)
4. 04:30 AM - Re: Adding rudder and aileron trim (Was: Trim & Rigging) (Gus Fraser)
5. 05:43 AM - Re: test (Ernie)
6. 06:14 AM - Trim (Frank Haertlein)
7. 02:36 PM - Yak-52 accident (MFilucci@aol.com)
8. 02:56 PM - Re: Yak-52 accident (Cy Galley)
9. 02:56 PM - Re: Yak-52 accident (Cy Galley)
10. 03:25 PM - Ballast (Lou Dakos)
11. 04:56 PM - Re: Ballast (Walt Lannon)
12. 06:38 PM - Re: Yak-List Digest: 38 Msgs - 01/15/03 (John W Finley)
13. 07:03 PM - Re: Re: Chinese air force symbol (Bill Peterseim)
14. 07:08 PM - Re: Ballast tests=QUOTED_EMAIL_TEXT,REFERENCES,SPAM_PHRASE_01_02, SUBJECT_IS_LIST,USER_AGENT_OE,USER_IN_WHITELIST version=2.43 (Lou Dakos)
15. 10:07 PM - Trim and CG (Yakjock)
16. 10:26 PM - Re: Re: Yak-List Digest: 38 Msgs - 01/15/03 (Roy O. Wright)
17. 11:24 PM - Fallen Comrades (Skipsly@aol.com)
Message 1
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--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
Ernie wrote:
> --> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
>
> Is this mike on????
No. We can't hear you.
--
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 2
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--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
Lou Dakos wrote:
> --> Yak-List message posted by: "Lou Dakos" <lou_dakos@bordermail.com.au>
>
> The aircraft has been weighed and c of g calcuated but my lame was a bit
> concerned about putting all the weight in the tail as he was unsure about
> spinning
I was concerned about that also (polar moment of inertia) so we asked the
airframe designer. He said that there is sufficient control authority and
structural strength in the empenage to recover from a spin with the weight in
the tail.
> we know we have to re-calculate but I didn't want to much weight on
> loop attenna mount, we had already mounted battery back on the adf tray and
> moved both dc to ac inverters on a tray above main air tank this makes front
> cockpit much quieter and I have a very nice baggage compartment.
Well, you have already moved a lot of weight aft. Weigh the airplane and then
recalculate the CG.
> Nothing
> wrong with pnuematic brakes I was asked about hydraulic brakes after I was
> seen doing my first taxi attempt.
When I am doing transistion training in the CJ6A I spend almost all of the
second lesson on taxiing the airplane. I take the student over to the local
ex-AFB and use the big ramp to practice. When they can follow the lines and put
the airplane where they want it we go on to the next lesson. It ususally takes
about 45 minutes or so of practice.
--
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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| Subject: | Re: That's what happens... |
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
Craig Payne wrote:
> --> Yak-List message posted by: Craig Payne <cpayne@mc.net>
>
> "Ms"? Is that the Lady version? Them Commies were sooo democratic..
And then there is the really badass version, the L-39PMS.
--
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 4
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| Subject: | Adding rudder and aileron trim (Was: Trim & Rigging) |
--> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
I have seen a Yak 52 with a wing leveler fitted.
Gus
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Brian Lloyd
Subject: Yak-List: Adding rudder and aileron trim (Was: Trim & Rigging)
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
Ernie wrote:
> --> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
>
> How do you go about adding aileron and rudder trim on a CJ, sounds like a
> major undertaking.
There are three approaches common in experimental/amateur-built circles:
1. bias springs
2. push/pull cable trim tabs
3. small eletric servos
Vans Aircraft offer a simple lever and bias-spring trim system for the
aileron
of the RV-series aircraft. The lever just moves spring to supply a
continuous
force in the desired direction on the aileron actuator push-rod. This type
of
trim should work very well on a CJ6A since the actuator mechanism and the
control pressures are comparable. See
http://www.vansaircraft.com/public/parts.txt to get an idea of how much it
costs.
Piper uses this same type of system to provide rudder trim in a number of
their
aircraft. It is also quite effective.
Vans also uses a vernier control to move the elevator trim tab in their
aircraft. This would probably work for rudder trim as well but probably
would
provide too much static drag for the aileron.
The most popular approach is the small electric servo trim system from Mac.
I
don't have a pointer to them but here is a link to an identical system from
another manufacturer
(http://www.menzimeraircraft.com/products/trimsystems.html). These use very
small trim motors and actuators that mount inside the control surfaces.
These
may be adapted to the CJ6A without too much trouble especially if you are
planning to recover the control surfaces.
--
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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--> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
Sorry,
I was receiving emails but not getting out, they all went out as one big
batch.
Ernie
----- Original Message -----
From: "Brian Lloyd" <brian@lloyd.com>
Subject: Re: Yak-List: test
> --> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
>
> Ernie wrote:
> > --> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
> >
> > Is this mike on????
>
> No. We can't hear you.
> --
> 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 6
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--> Yak-List message posted by: "Frank Haertlein"<yak52driver@earthlink.net>
My 52 has electric elevator trim. I've never flown one with the regular trim
wheels so I have no standard for comparison. But, my instructor commented on
how much better he liked it as opposed to the trim wheels. I'm using the MAC
servo and had to recover the left elevator half after I installed it.
Frank
N911OM
Message 7
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--> Yak-List message posted by: MFilucci@aol.com
Yak Drivers,
I just got a call from a fellow YPA member (who just got a call from a
reporter in Salt Lake City). It appears that a Yak-52 went down in Salt Lake
City within the last hour or so. According to the reporter, the airplane is
registered to several individuals, one of whom is Ed Strauchen. If anyone has
any factual info regarding this accident, please let me know.
Mike Filucci
Message 8
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| Subject: | Re: Yak-52 accident |
--> Yak-List message posted by: "Cy Galley" <cgalley@qcbc.org>
Midway-AP) -- Two people were killed after a small plane crashed near Midway
today just before noon.
The victims names were not immediately released.
Wasatch County Sheriff's spokesman, Sgt. Jeff Winterton, said witnesses to
the crash said the plane crashed nose first into a field and exploded into
flames.
The plane was a YAK, a small Russian plane used for military and aerobatic
training. The plane was based out of the Heber Airport. The airport is a
popular hanger for recreational pilots and the airspace is commonly used for
aerobatic training and practice.
----- Original Message -----
From: <MFilucci@aol.com>
Subject: Yak-List: Yak-52 accident
> --> Yak-List message posted by: MFilucci@aol.com
>
> Yak Drivers,
>
> I just got a call from a fellow YPA member (who just got a call from a
> reporter in Salt Lake City). It appears that a Yak-52 went down in Salt
Lake
> City within the last hour or so. According to the reporter, the airplane
is
> registered to several individuals, one of whom is Ed Strauchen. If anyone
has
> any factual info regarding this accident, please let me know.
>
> Mike Filucci
>
>
Message 9
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| Subject: | Re: Yak-52 accident |
--> Yak-List message posted by: "Cy Galley" <cgalley@qcbc.org>
----- Original Message -----
From: <MFilucci@aol.com>
Subject: Yak-List: Yak-52 accident
> --> Yak-List message posted by: MFilucci@aol.com
>
> Yak Drivers,
>
> I just got a call from a fellow YPA member (who just got a call from a
> reporter in Salt Lake City). It appears that a Yak-52 went down in Salt Lake
> City within the last hour or so. According to the reporter, the airplane is
> registered to several individuals, one of whom is Ed Strauchen. If anyone has
> any factual info regarding this accident, please let me know.
>
> Mike Filucci
>
>
Message 10
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--> Yak-List message posted by: "Lou Dakos" <lou_dakos@bordermail.com.au>
Thanks to all Yakers for very helpfull information on CofG and ballast.
Lou
Message 11
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tests=QUOTED_EMAIL_TEXT,REFERENCES,SPAM_PHRASE_01_02,
SUBJECT_IS_LIST,USER_AGENT_OE,USER_IN_WHITELIST
version=2.43
--> Yak-List message posted by: "Walt Lannon" <lannon@look.ca>
Hi Lou;
I gave you some bum information from memory yesterday re the ballast
location that I use. I told you I ballast between frames 17 & 18. Wrong-
it's aft of frame 18, directly above the tail skid. I build a support
structure attached to frame 18 and the tail cone frame and use 1/8" lead
sheet for the ballast.
Walt
----- Original Message -----
From: "Lou Dakos" <lou_dakos@bordermail.com.au>
Subject: Yak-List: Ballast
> --> Yak-List message posted by: "Lou Dakos" <lou_dakos@bordermail.com.au>
>
> Thanks to all Yakers for very helpfull information on CofG and ballast.
>
>
> Lou
>
>
Message 12
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| Subject: | Re: Yak-List Digest: 38 Msgs - 01/15/03 |
--> Yak-List message posted by: John W Finley <finleycj6@juno.com>
Lou, Just two things: 1. I have hydraulic brakes on my CJ installed by
Les Crowder by the previous owner in McKinney TX. Just like Doug, They
work fine, but I would not recommend doing it. The cost doesn't equal the
benefit; the pneumatic brakes are just fine.
2. I also have an M14p engine and the 55lbs sponds a little excessive,
but after all the modifications you want to do I beleive that you must
have your aircraft weighed to dertimine a hard basis for the math....BTW
I have a 13 cu ft. SCUBA tank ( which I highly recommend) located next to
my gel-cell batts. It works well....John
Message 13
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| Subject: | Re: Chinese air force symbol |
--> Yak-List message posted by: "Bill Peterseim" <bill@thestratisgroup.com>
Hi Andrew;
Just saw your posting about the Chinese Symbol. Please e mail to me, within
next week as my e mail address will be changing soon. Thanks Bill Peterseim
----- Original Message -----
From: "Andrew Zheng (China)" <cjcyak@163bj.com>
Subject: Yak-List: Re: Chinese air force symbol
> --> Yak-List message posted by: "Andrew Zheng \(China\)"
<cjcyak@163bj.com>
>
> Hi all,
> I have a Chinese air force symbol picture which they use on their building
and uniform. It looks different with the star on our CJ. If any one want the
picture, just let me know. I will email to you.
> Andrew from China
>
>
Message 14
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| Subject: | Re: Ballast tests=QUOTED_EMAIL_TEXT,REFERENCES,SPAM_PHRASE_01_02, |
SUBJECT_IS_LIST,USER_AGENT_OE,USER_IN_WHITELIST
version=2.43
--> Yak-List message posted by: "Lou Dakos" <lou_dakos@bordermail.com.au>
Walt
I guessed that's the position you were talking about, my grey matter needs
the od beer or 2 before it fires up as well.
Lou
----- Original Message -----
From: "Walt Lannon" <lannon@look.ca>
Subject: Re: Yak-List: Ballast
tests=QUOTED_EMAIL_TEXT,REFERENCES,SPAM_PHRASE_01_02,
SUBJECT_IS_LIST,USER_AGENT_OE,USER_IN_WHITELIST version=2.43
> --> Yak-List message posted by: "Walt Lannon" <lannon@look.ca>
>
> Hi Lou;
> I gave you some bum information from memory yesterday re the ballast
> location that I use. I told you I ballast between frames 17 & 18. Wrong-
> it's aft of frame 18, directly above the tail skid. I build a support
> structure attached to frame 18 and the tail cone frame and use 1/8" lead
> sheet for the ballast.
> Walt
Message 15
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--> Yak-List message posted by: "Yakjock" <Yakjock@msn.com>
Regarding trim, I have three axis electric trim on the new CJ using small servo
motors. I like it a whole bunch as it is simple to trim the plane out in all
flight circumstances. Coming back from Arizona it generally burned evenly from
both tanks. The one time it did not it was a pleasure to cross trim to put
the heavy tank up - no leg strain for the crab. One consideration on the electric
trim - installing it requires that the airfoil be recovered (and repainted).
When we did the initial CG on the new plane it called for a bunch of weight in
the back. We loaded it and test flew the plane and found it didn't have near
the handling characteristics of my old plan with no weight. So we pulled out
all but the lead in the skid and it works great. I am reluctant to put a bunch
of weight in the far aft position given the momentum it can build up. I'd rather
be nose heavy when empty, carrying enough weight so that I don't run out
of trim on approach and am not going to be a lawn dart if I lose power. On the
other hand, I can carry full fuel (74 gallons), a good sized GIB (Like Russ)
and a hefty cargo load and not be aft CG. If I had much fixed weight back there
I'd leave a bunch of the rest on the ground. ( I should mention that I have
a smoke system in back and will have two light weight Kevlar tanks - one for
back up air, the other for O2).
Message 16
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| Subject: | Re: Yak-List Digest: 38 Msgs - 01/15/03 |
--> Yak-List message posted by: "Roy O. Wright" <roy@wright.org>
What is the SCUBA tank for? Replacement or backup air tank?
TIA,
Roy
At 08:59 AM 1/16/2003 -0500, John W Finley wrote:
>--> Yak-List message posted by: John W Finley <finleycj6@juno.com>
>
>....BTW
>I have a 13 cu ft. SCUBA tank ( which I highly recommend) located next to
>my gel-cell batts. It works well....John
',,'',,'',,',,'
Roy Wright 512.378.1234 mailto:royw@cisco.com
Cisco Systems import com.cisco.std-disclaimer
Message 17
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--> Yak-List message posted by: Skipsly@aol.com
Sorry to report that yesterday a Yak-52 went down a few miles west of Heber
Valley airport about 25 miles from Salt Lake City. The pilot, Ed Strauchen a
retired AA pilot and a Vietnam Vet F-4 pilot and his passenger was killed.
Pictures of the mishap site and reports, such as they are, from the media are
available at www.ksl.com.
Skip Slyfield
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